英検1級英作文 [過去問] 書いてみた

英検1級過去問の英作文を時間を測って書く→Chat GPTに採点してもらう→Chat GPTに同じ理由で解答例を書いてもらう→使いたい表現を覚える
をひたすら繰り返します！

使用語彙は増えていくのか？
文法の間違いは減っていくのか？
書く時間は短くなるのか？

検証していきたいと思います。

2012-1

Q: Can the global demand for water be met in the future? 

Human has Humans have been facing environmental problems such as pollution, global warming, and climate change for decades. Some may say natural resources on earth is are depleting accordingly, and one of the most important resources, water, is no exception. However, I believe water can meet the global demand in the future for these three reasons.

First, advanced technology can solve the problems about related to water shortage. A wide variety of devices to purify dirty water and eliminate sault salt from seawater seawater are being developed by numbers of numerous companies around the globe. For instance, some mobile water purifiers are provided to people in Africa, where water is scarce. People there can purify muddy water to drinkable water without any difficulty. Such tools can definitely help make enough water for people.

Second, with global population growth being declining, we are able to use enough water in the future too. Overpopulation was the biggest threat to us, leading to us worrying which led to concerns about food and water shortage decades ago. However, the worldwide population is steadily declining and no need to concern reducing concerns about a shortage of natural resources.

Lastly, people are now well aware of the importance of water, and very careful about trying not to waste it. Not only individuals but also large companies and organizations are working on reducing waste of water. They set strict rules and limits to achieve SDGs for a brighter future. 

In conclusion, although it is understandable that there is some threat against water shortage, it is safe to say people can use enough will have sufficient water in the future as well as today just as they do today, because of advanced technology, declining population, and people’s awareness.

(Word Count 263)

Score

total                       26/32

vocabulary              6/8      

grammar                 6/8

content                    7/8      

paragraph structure 7/8

 Chat GPT-4: model answer 

Amidst escalating environmental crisis, the fear of natural resources, especially water, depleting is on the rise. Yet, I maintain that technological advances, population decline, and increased water conservation awareness will ensure future water demands are met.

Firstly, technology offers a solution to water scarcity. Innovations worldwide are generating devices that purify contaminated water and desalinate seawater. For instance, mobile water purifiers in Africa can turn muddy water into potable water with ease, signifying the potential of such technology to generate ample water supply.

Secondly, as global population growth shows a steady decline, pressure on natural resources including water is lessening. This demographic shift implies that future water use can be maintained at sustainable levels, dismissing fear of resource exhaustion due to overpopulation.

Lastly, the growing global consciousness about water conservation is encouraging sustainable usage. Beyond individuals, large corporations are striving to reduce water wastage. The adherence to stricter rules and Sustainable Development Goals is fostering a more sustainable future.

In conclusion, though the threat of water scarcity is significant, there are persuasive reasons to believe that future water demand can be accommodated. The intersection of technological advancement, population decline, and heightened conservation awareness provides a solid defense against water scarcity, ensuring that this vital resource remains available for future generations.

(Word Count 214)

Vocabulary

• amidst escalating environmental crisis
  環境的な危機が進む中
• be on the rise
  上昇して
• offer a solution to
  〜に解決策を与える
• desalinate seawater
  海水を淡水化する
• potable water
  飲料水（drinkable)
• generate ample water supply
  十分な水の供給を作り出す
• show a steady decline
  確実に減っている（のが分かる）
• pressure on~ is lessening
  〜へのプレッシャーが減っている
• be maintained at sustainable levels
  持続可能なレベルにとどまる
• resource exhaustion
  資源の枯渇
• growing global consciousness
  世界中で高まりつつある意識
• encourage sustainable usage
  持続可能な使用を後押しする
• foster a more sustainable future
  より持続可能な未来を作る
• persuasive reasons
  説得力のある理由
• heightened conservation awareness
  高まる保護の意識

英検公式解答（理由）

Yes
government regulations
the change in the mindset of consumers
infrastructure

2012-2

Q: Agree or disagree: Space exploration should be continued.

Many countries have been investing in space exploration for decades. Some may argue mention it is too costly, and the government should spend money on other serious issues on the earth. However, I believe that space exploration is the key for future generations and should be continued.

Firstly, space exploration can proceed various technologies. The creation of Creating space ships, for example, requires cutting-edge materials and skills, which can leads to the overall development of technology in general. While devoted devoting to creating generating latest equipment for space, people might be able to develop obtain a wide variety of advanced daily appliances. 

Secondly, people might be able to discover find natural resources and rare materials in outer space. Several countries are striving to conduct some research on satellites, asteroids, and planets. Such researches has have been successful, and some rare metals were already located on the moon. With the depletion of natural resources depleting on the earth, such findings could be our hope in the coming years.

Lastly, habitable places for human beings could be found somewhere in the space. People are losing favorable areas to live on earth due to natural disasters, rise of the water level, and desertification. This is an urgent issue that needs to be solved. Space exploration is the only way to find a place to inhabit except for the earth.

In conclusion, even though space exploration appears seems too dangerous and risky in many ways, it is undeniable to say such endeavors should be continued for the sake of future generations considering in terms of technology development, resource discovery the search for resources, and terraforming tera forming.

(Word Count 247)

(30 mins)

Score

total                                  29/32

vocabulary                        7/8

grammar                           7/8

content                             8/8

paragraph structure          7/8

Chat GPT-4: model answer 

Over the past few years, nations worldwide have made significant investments in the area of space exploration. Some critics argue that the costs involved are prohibitively high, suggesting that government funds should be redirected towards pressing terrestrial issues. However, I stand firm in the belief that continuing space exploration is imperative for the advancement of future generations.

Firstly, the process of space exploration serves as a catalyst for technological evolution. The construction of spacecraft, for instance, necessitates state-of-the-art materials and sophisticated techniques, propelling technological advancements in technology across different sectors. Consequently, as we strive to produce innovative equipment for space, we stand to benefit from a proliferation of cutting-edge appliances in everyday life.

Secondly, the quest for extraterrestrial exploration could unlock access to untapped natural resources and scarce materials. Several countries are spearheading research missions to satellites, asteroids, and distant planets. These endeavors have already borne fruit, as evidenced by the detection of rare materials on the moon. As Earth’s resources progressively deplete, such space-based discoveries could provide a lifeline for our future.

Lastly, the quest for space exploration holds the promise of identifying habitable territories beyond Earth. As the planet grapples with escalating natural disasters, rising sea levels, and rampant desertification, suitable living spaces are becoming increasingly scarce. In this regard, space exploration represents a potential solution to this pressing issue.

In conclusion, despite the inherent dangers and risks associated with space exploration, it is indisputable that such endeavors hold significant potential for the betterment for the future generations. Advancements in technology, the pursuit of untapped resources, and the potential for extraterrestrial habitation justify the continued exploration of the cosmos.

(Word Count 271)

Vocabulary

• government funds should be redirected towards
  政府の資金は〜へ向けられるべき
• stand firm in the belief that
  〜を強く信じている
• state-of-the-art materials
  最も進んだ材料
• propel technological advancements
  技術的な進歩を推進する
• unlock access to
  〜へのアクセスを可能にする
• untapped natural resources
  手付かずの自然資源
• spearhead research mission
  調査任務の先頭に立つ
• progressively deplete
  ますます枯渇する
• provide a lifeline
  頼みの綱を与える
• habitable territories beyond Earth
  地球以外の居住可能地域
• grapple with
  （問題などに）取り組む
• rising sea level
  上昇する海水の高さ
• rampant desertification
  はびこる砂漠化
• suitable living space
  適した居住スペース
• represent a potential solution to
  〜に対する可能な解決法を示す
• pressing issue
  差し迫った問題
• inherent dangers and risks
  内在する危険やリスク
• Extraterrestrial habitation
  地球外の居住地

英検公式解答例（理由）

Agree
national pride
scientific research
space colonization

2012-3

Q: Does more need to be done to address Japan’s low birthrate?

Birth rate is declining in nations worldwide, especially in Japan it’s declining at a rapid speed. Some people argue that there is nothing more to be done to tackle this problem. However, I stand firm in the belief that there are several solutions to improve Japan’s birthrate.

Firstly, the government can financially support young parents. One of the reasons why young generations are hesitant to have children giving birth is the cost of raising them it may take to raise their children. Ample subsidies would encourage them to have a new family member. Even if it may cost substantial resources fortune, the government should save money for this area since new babies are representing assuming Japan’s future.

Secondly, new facilities that are reasonable and accessible to any parents need to be constructed more. A number Numbers of babies and infants are on the waiting list of nursery schools across the nation, and their parents, particularly especially mothers, are confined to their stuck at homes because they cannot find suitable care for their children being unable to find anyone or any place that can take care of babies. 

Thirdly, better working environments should be built. Easier ways of taking maternity or paternity leaves, stable career carrier paths for mothers, and gender equality in the workplace will help people to have babies. Eliminating worries and burdens parents may have in the working environment can be a significant solution for low birthrate.

In conclusion, low birth rate is the most pressing issue in Japan. Not only the government but also private businesses need necessitateto address declining birth rate by financially supporting parents, building facilities for babies, and creating better working environment.

(250 words)

(31mins)

Score

total                                  30/32

vocabulary                        7/8

grammar                           7/8

content                            8/8

paragraph structure          8/8

Chat GPT-4: model answer

Globally, the decrease in birth rate has become a prominent issue, with Japan experiencing this decline at a particularly rapid pace. Some might argue that all possible measures have already been taken, but I strongly believe that there are still several untapped strategies to boost Japan’s birth rate.

Firstly, one potential solution lies in the financial support to young families by the government. The exorbitant cost associated with raising children deters the younger generation from starting a family. Generous subsidies could alleviate this burden and encourage them to embrace parenthood. The allocation of significant governmental resources to this cause is vital, as the future of Japan is represented by its incoming generations.

Secondly, accessibility and availability of childcare facilities need augmentation. Across the country, countless infants remain on nursery school waiting lists, and their parents, particularly mothers are confined to their homes due to a lack of alternative childcare options.

Thirdly, an enhanced working environment is paramount. By implementing more flexible maternity and paternity leave policies, ensuring stable career paths for working mothers, and fostering gender equality in the workplace, we can alleviate potential parental anxiety, thereby encouraging higher birth rates.

In conclusion, declining birth rate represents a critical challenge for Japan. Both the government and private sectors need to actively address this issue through significant financial support, the expansion of childcare facilities, and the creation of conducive working environments. The multipronged approach is vital for reversing the trend and ensuring bright future for Japan.

(Word count: 248)

Vocabulary 

• decrease in birth rate
  出生率の低下
• untapped strategy
  実施されていない施策
• one potential solution lies in
  〜に可能な解決策がある
• exorbitant cost
  法外な費用
• associated with raising children
  子育てに関する
• start a family
  新しい家族をもつ
• generous subsidies
  多額の補助金
• alleviate this burden
  この負担を緩和する
• embrace parenthood
  喜んで親になる
• the allocation of the governmental resources
  政府の資源の分配
• incoming generations
  跡を継ぐ世代
• be confined to one’s homes
  家に縛られる
• alternative childcare options
  代替えとなる保育施設の選択肢
• an enhanced working environment
  向上した労働環境
• flexible maternity and paternity leave policy
  柔軟な育児休暇政策
• foster gender equality 
  性別の平等を促進する
• alleviate potential parental anxiety
  潜在的な親の心配を緩和する
• encourage higher birth rates
  高い出生率を促進する
• the expansion of childcare facilities
  保育施設の拡大
• the creation of conducive working environments
  良い結果につながる労働環境の創出
• multipronged approach
  多岐にわたるアプローチ
• reverse the trend
  流れを逆にする

英検公式解答例（理由）

No
the environment
smaller-scale economies
senior citizens with skills

2013-1

Q: Do multinational corporations play a positive role in today’s world?

International trades and businesses are spreading worldwide, and many companies are cooperating in today’s global market. Some may argue that multinational companies can negatively affect each country’s local businesses. However, I stand firmly in the belief that multinational companies play a positive role in today’s world.

Firstly, multinational businesses can contribute to boosting economies of several countries at the same time because plural nations are involved in one multinational corporations. Furthermore, they can avoid the concentration of power in one country, which leads to better balanced world.

Secondly, understanding of diversity will be fostered in multinational companies. This It is because people with a different backgrounds back ground and cultures work together, which enables the creation of to create a diverse working environment. Workers can learn different perspectives and embrace mutual understanding there.

Lastly, multinational businesses have the potential to fill the economical gap across the globe. Local businesses in third-world countries are difficult to thrive on their own. However, if they are a part of a big multinational company ies, it has the possibility of them succeeding, contributing to narrowing the economical gap.

In conclusion, although multinational businesses might adversely affect local economy, their positive role surpasses their negative effect due to contribution to better balanced world, embracing diversity, and narrowing the economic gap.

(Word Count 278)

(41 mins)

Score

total                                   28/32

vocabulary                        7/8

grammar                           6/8

content                              8/8

paragraph structure          7/8

Chat GPT-4

Globalization is leading to the proliferation of multinational companies, which play an increasingly prominent role in economies worldwide. While critics argue that these entities pose a threat to local businesses, I am of the firm conviction that multinational companies contribute positively to the global landscape.

Multinational corporations have the capacity to bolster multiple economies simultaneously. Consider, for example, Apple, a giant multinational company. By setting up manufacturing plants in China and retail stores in over 25 countries, Apple stimulates economic activity in these nations. Its operations generate jobs, contributing to the prosperity of communities far beyond its U.S. base. Moreover, it prevents an undue concentration of economic power in a single country, facilitating a more balanced global economy.

Secondly, multinational companies promote an understanding of cultural diversity. They are melting pots of various backgrounds and cultures, creating a rich tapestry of global perspectives. This is evident in firm like Nestle, employing individuals from nearly every corner of the world. Employees gain exposure to different viewpoints, fostering a culture of mutual respect and understanding.

Finally, multinational corporations can help bridge the economic chasm between developing and developed nations. Local businesses often struggle to compete in the global market. However, when they become part of a multinational conglomerate, like when Tata Motors of India joined the global automotive industry, they can thrive, reducing global economic disparity.

In conclusion, despite potential negative impacts on local economies, the benefits multinational corporations offer – economic balance, cultural diversity, and the reduction of economic disparity – outweigh these drawbacks. Thus, they play an essential and overwhelmingly positive role in today’s interconnected world.

(Word Count 265)

Vocabulary

• pose a threat to
  〜にとって脅威となる
• I am of the firm conviction that
  〜を強く確信している
• global landscape
  世界の状況
• have the capacity to do
  〜する能力がある
• bolster economy
  経済を活気づける
• stimulate economic activity
  経済活動を刺激する
• undue concentration of economic power
  経済的な力の不当な集中
• facilitate a 〜 economy
  経済を促進する
• promote an understanding of
  〜の理解を促す
• rich tapestry of global perspectives
  世界的な視点の豊かで複雑な状況
• gain exposure to 
  〜に触れる
• foster a culture of
  〜の文化を育成する
• mutual respect and understanding
  お互いへの敬意と理解
• bridge the global chasm
  世界的な隔たりを橋渡しする

英検公式解答例（理由）

No
monopoly
human rights
the environment

2013-3 

Q: Does the mass media have a beneficial effect on society?

These days the role of mass media is growing significantly. Some may argue media has positive effects on people’s lives. However, I stand firm in the belief that mass media is becoming too varied and adversely affecting society.

Firstly, the number of unreliable media is exponentially increasing, and fake news released by them is everywhere. Needless to say, such news is harmful, misguiding people, particularly vulnerable youth, and causing unexpected troubles and crimes. Stringent regulations and binding laws lows are required immediately to prohibit such media from spreading untrustworthy news, but those rules are always behind. 

Secondly, ambiguous or biased information spread by media is widening the gap between people. It is true that gaining much information could give people an advantage, but in today’s world, where too much unfounded unbased information is prevailing　repleting, media outlets that distribute is distributing this kind of such information can negatively influence public opinion and manipulate people’s perceptions. play a negative role in manipulating people’s ideas. 

Lastly, media could invade people’s privacy. There are digital devices with a camera and recording function everywhere, which means anyone can shoot any video anytime. Media could be a window for people who may post anything without careful thought to post private information of others. 

In conclusion, while media has a positive role in on society to some extent, I firmly believe that its harmful effect outweighs overweigh due to the spread of unreliable news, widening the gap between people people’s gap, and the invasion of privacy.

(Word Count 226)

(36 mins)

Score

total                            28/32

vocabulary                  7/8

grammar                    6/8

content                      8/8

paragraph structure 7/8

Chat GPT-4

The advent of digital age has exponentially amplified the role of mass media in our society. While some may challenge its ubiquity, I hold firm in the belief that the escalating pervasiveness of mass media has numerous detrimental impacts on society.

Foremost among my concerns is the rise of unreliable media sources and the resultant spread of misinformation. Misleading news reports can have dire repercussions, notably among impressionable young audiences, leading to unexpected consequences and even criminal activity. Despite the urgent, regulatory frameworks and legislation aimed at curbing the dissemination of false news are often lagging.

Moreover, the dissemination of ambiguous and skewed information by media outlets is fueling societal divisions. Undoubtedly, access to information can bestow advantages. However, in a world brimming with biased, unsubstantiated narratives, media can manipulate public opinion, thereby playing a destructive role in the shaping of societal ideologies.

Finally, the intrusive capability of modern media cannot be underestimated. In an era where digital devices equipped with recording functions are ubiquitous, the threat to personal privacy is all too real. The media landscape has become an open window, wherein thoughtless individuals might heedlessly infringe upon the privacy of others.

In conclusion, while mass media undeniably has some beneficial roles in society, I assert that its damaging effects predominantly overshadow these benefits. The spread of misleading news, exacerbation of societal divisions, and invasion of personal privacy all underscore the negative impacts of mass media, warranting caution and critical thinking in our consumption of media.

(Word Count 247)

Vocabulary

• amplify the role
  役割を増大させる
• escalating pervasiveness
  広まる普及
• detrimental impact
  有害な影響
• foremost among my concerns
  心配事の中で最たるものは 
• have dire repercussions
  恐ろしい悪影響がある
• impressionable young audiences
  感受性の強い若い視聴者たち
• regulatory frameworks
  規制の枠組み
• dissemination of
  〜の普及 
• skewed information
  ゆがめられた情報
• media outlets
  メディア（情報が発信される場所）
• fuel societal divisions
  社会的な分裂をあおる
• bestow advantages
  有利な立場を与える
• brim with
  （縁まで）いっぱいになる
• unsubstantiated narratives
  事実に基づかないストーリー

英検公式解答例（理由）

Yes
public safety
politics
educating the public

2014-1

Q: Do the benefits of free trade outweigh the disadvantages?

Free trade has been a dominant approach to international commerce the main business transaction over the years, and some may argue that trades with regulations and protection have disadvantages for business. However, I hold firm in the belief that free trade is not always the best way, and its benefits don’t outweigh the disadvantages.

Amid one of my concerns is the unfair trades practices that have resulted from the proliferation of free trades. In today’s globalized era, some powerful corporations are dominant in the market, leading to small businesses being left behind. In such an unequal power balance, free trade always plays a favorable role for financially strong companies and causes disparity among businesses.

Moreover, free trade is creating poor conditions for workers. Cost reduction is the main factor to be successful in global markets where free trade is majorly conducted, resulting in the exploitation of workers in the third world. Take the example of coffee plantations in Brazil. Local people are made to work at low wages there to reduce the production cost. This kind of situation should be eliminated.

Lastly, free trade can serve as a detrimental factor for the environment. Individual actions to earn more money through trade without proper regulations could devastatingly damage the environment. The lost rainforest in Brazil, for instance, is a good example. This shows tells us how thoughtless much some people can be thoughtless to when trying to earn money through in free trade.

In conclusion, while free trade has some advantageous aspects, its negative impact outweighs its benefits. I strongly believe free trade should be limited to eliminate unfair transactions and exploitation, and protect the environment.

(Word Count 256)

(39 mins)

Score

total                       31/32

vocabulary        8/8

grammar               8/8

content                    7/8

paragraph structure  8/8

Chat GPT: model answer

Free trade, a dominant paradigm in global commerce, has advantages and disadvantages. I firmly assert that the drawbacks, namely economic disparity, worker exploitation, and environmental damage, significantly outweigh the benefits.

One primary concern stemming from unrestricted free trade is the exacerbation of economic inequality. The contemporary global market allows large, financially robust corporations to become dominant, often overshadowing and outcompeting smaller enterprises. As such, free trade inadvertently creates a skewed economic power balance favoring these financially superior entities, thereby causing disparity among businesses.

Additionally, free trade often inadvertently fosters poor labor conditions. An integral aspect of succeeding in the global market is cost reduction, which often results in worker exploitation, particularly in less economically developed regions. For instance, in Brazil’s coffee plantations, workers endure grueling conditions and receive low wages, all in the name of minimizing production costs. The exploitative nature of this practice illustrates a disadvantage of free trade that must be confronted.

Finally, free trade can be a catalyst for environmental harm. In the absence of stringent regulations, unscrupulous individuals and businesses can engage in harmful practices that severely damage the environment in their quest for profit. Brazil’s disappearing rainforest serves as a stark reminder of the potential environmental consequences of unchecked free trade.

In conclusion, despite the potential economic growth associated with free trade, the negative implications in terms of social inequality, worker exploitation, and environmental degradation can make a compelling case for regulation. It is crucial that we implement limits on free trade to mitigate these adverse effects and foster a more equitable, sustainable world.

(Word Count 258)

Vocabulary

• a dominant paradigm in global commerce
• namely A, B, and C
• one primary concern stemming form〜
• unrestricted free trade
• exacerbation of economic inequality
• financially robust corporations
• overshadow and outcompete smaller enterprises
• create a skewed economic power balance
• foster poor labor conditions
• endure grueling conditions
• receive low wages
• in the name of
• minimize production costs
• exploitative nature of
• a catalyst for
• environmental harm
• in the absence of
• stringent regulations
• unscrupulous
• a stark reminder of〜
• environmental degradation
• mitigate these adverse effects
• foster a more equitable, sustainable world

英検公式解答例（理由）

Yes
economic growth
good for our planet
declining inequality and prejudice

2014-2

Q: Can the global food supply be ensured in the coming decades?

The shortage of food has always been a concern for us our concerns. Some may argue that the lack of food supply is a pressing issue worldwide. However, I stand firm in the belief that the global food supply will be met in the coming decades future.

Firstly, advanced infrastructures will help grow grains and vegetables more efficiently and less costly. For instance, the development of irrigation systems and desalination equipment as an infrastructure is progressing, which leads to a greater more amount of produce in barren areas with less water. 

Moreover, the way of producing food is becoming varied by using state-of-the-art technologies. Clean meat, for example, is generated in a plant from cells. More genetically modified food, which could be more nutritious or easy to harvest proliferate, will also be in the market too. With all these biotechnologies, sufficient food will be supplied in the coming decades.

Lastly, the declining global birthrate shows that food shortage will not be a significant issue for future generations. While food might be scarce in certain areas, such as India and Africa, it does not mean food supply cannot be ensured worldwide in the coming years. Distribution may be the problem, but not the global food shortage.

In conclusion, it is understandable that some may be concerned about world food shortage, but I strongly believe that food supply will be stable enough due to progressed infrastructures, technologies for creating food, and decreasing global population.

(Word Count 230)

(30 minutes)

Score

total：30.5/32

vocabulary：7.5/8

grammar：7/8

content：8/8

paragraph structure：8/8

Chat GPT-4

Global food scarcity has perennially been a cause for concern. Some contend that we are on the precipice of a worldwide food shortage. However, I remain steadfast in my conviction that the global food supply will be secured in the future.

Primarily, the proliferation of advanced infrastructures will bolster efficient and cost-effective agricultural practices. For instance, the advent of progressive irrigation systems and desalination equipment is enhancing agricultural yield in arid regions, traditionally unproductive due to water scarcity.

Secondly, food production methods are undergoing a radical transformation, courtesy of innovative technologies. ‘Clean meat’, a product derived form cellular structures in labs, represents this revolution. Additionally, the increasing availability of genetically modified food, which is potentially more nutritious and easier to harvest, promises to boost the global food supply. These groundbreaking biotechnologies will play a pivotal role in ensuring food security in the coming decades.

Lastly, a declining birth rate may mitigate the demand-supply gap in food resources. While food scarcity is a reality in certain regions like India and Africa, it does not signify impending global crisis. The crux of the issue lies in food distribution, rather than its production.

In conclusion, concerns about a global food shortage are not unfounded, but I maintain that the world will achieve food stability due to improved infrastructure, technological advancement, and a diminishing global population. The future, therefore, looks promising rather than precarious for the world’s food supply.

(Word Count 235)

Vocabulary

• perennially
  いつまでも、絶え間なく
• I remain steadfast in my conviction that
  〜を強く確信している 
• bolster cost-effective agricultural practices
  費用効果の高い農業を促進する
• enhance agricultural yield
  収穫量を高める
• arid region
  乾燥した地域
• undergo a radical transformation
  抜本的な変化を遂げる
• derive from
  〜から得られる
• cellular structure
  細胞組織
• represent this revolution
  この革命的なことを代表する
• groundbreaking biotechnology
  革命的なバイオテクノロジー
• ensure food security
  食料を十分に確保するすることを保証する
• mitigate the demand-supply gap in
  需要と供給の隔たりを狭める
• food resources
  食料資源
• the crux of the issue lies in
  問題の核心は〜にある
• achieve food stability
  食料（供給）の安定させる

英検公式解答例（理由）

No
population growth
widespread conflict
inefficient eating habits