A fifth level probably would involve wants that can be achieved best by community action. Consumers may be spending more on taxes to pay for government action against disease, ignorance, crime and prejudice.

　　45

　　In this way, we can enjoy more fully the good things on the first four levels.

　　A. Then a third level appeared.

　　B. Different people have different wants on each level.

　　C. There are several levels of wants in one’s life.

　　D. When there is money enough to satisfy one level of wants, another level appears

　　E. At this stage, we now may seek to ensure the health, safety, and leisure.

　　F. Also included here are fancy foods and the latest styles in clothing.

　　G. Human wants seem endless.

　　III 写作 (满分25分)目前，食品安全问题引起了人们的关注。一些生产厂商为了降低成本追求利润，缺乏足够的安全措施，致使一些劣质或有害食品流人市场，对人们的健康产生极大的危害。请你就此事给一家英文报刊写封信，谈谈个人看法并呼吁整个社会关注此事。

　　要求：词数左右。(不包括所给内容)

　　参考词汇：利润：profit；安全措施：safety measures

　　Dear Sir, I' m writing to talk about the problems of food safety nowadays.

【2017届高考英语一轮复习单元检测练：必修5 Unit5《First aid》（原卷版）】相关文章：

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修5 Unit 4 Making the news

★ 【浙江专用】2014届高考英语一轮复习课时作业(三十四)选修7Unit 4《Sharing》

★ （全国通用）2014届高考英语一轮单元复习 限时强化训练六

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（2）及答案

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 11 A卷 Word版含解析

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 4 A卷 Word版含解析

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十一)必修5Unit 1《Great scientists》

★ 2014高考英语（新人教版）一轮基础训练（3）A、B卷（附答案或解析）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (83)

★ 2014届高考英语一轮复习选修6参考答案（外研版）