Unit 1 Building the futureSection Ⅳ Writing当今世界粮食短缺，价格飞涨，给部分地区造成社会动荡。假设在你校开展的研究性学习中，你们小组以”World Food Crisis”为题进行研究，现在请你代表你们小组向全体同学简要介绍你们的研究成果。主要内容如下：造成原因应对的措施自己的贡献1.气候变化，造成粮食减产1.注重环保，改善生态1.2.工业发展，城市化加速，耕地减少2.严格保护耕地2.3.世界能源价格上涨，使用粮食生产生物燃料3.富国支持穷国，促进世界和谐3.注意：1．内容包括以上要点，但不要逐句翻译。2．词数 120 左右，文章开头已提供，不计入总词数。3．参考词汇：城市化 urbanization 生物燃料 biofuelsHello，everyone，Now I'll tell you something about our research project “The World Food Crisis” on behalf of our group.As you know ， food shortages have hit many countries in the world and even caused social unrest in some areas.参考范文：Hello ， everyone ， Now I'll tell you something about our research project “The World Food Crisis” on behalf of our group.As you know ， food shortages have hit many countries in the world and even caused social unrest in some areas.But who is responsible for the current world food crisis ？ First ， annual world grains output has declined because of climate change.Then lots of farmland has been lost due to the rapid development of industry and urbanization.Besides，faced with the rising energy prices ， people have turned to the production of biofuels，which has worsened the severe situation.Then what should we do to deal with the problem？On one hand，we should focus on the environmental protection and improve the ecology.On the other hand，strict measures should be taken to protect farmland.Of course，to build a harmonious world the developed countries should take their responsibilities to help the poor ones.As for me，I will call on the people around me to live thriftily.And for the moment，I think，we should study hard to develop science and help solve the food shortage in the future.本文是一个研究报告。该作文的特点是要注意文章的层次，分段要明显，连词选用要注意避免过度重复或过于普通，要点要齐全，同时不能丢掉自己的观点。1．Besides，faced with the rising energy prices，people have turned to the production of biofuels，which has worsened the severe situation.该句使用了 faced with...过去分词作状语，还使用了 which 引导的非限制性定语从句，无形中提高了文章的层次。2．On the other hand，strict measures should be taken to protect farmland.该句使用了被动语态，避免了句式的单调，为高级句式。提示：用最精炼的语言把你当堂掌握的核心知识的精华部分和基本技能的要领部分写下来并进行识记。知识精华技能要领
