army without paying for it.

　　Taxes, therefore, cannot be avoided.

　　(12)(6 min.)

　　Why are Americans getting fatter?

　　New research announced Monday found that

　　1. __________ human stem cells were exposed to a common virus, they turned into fat cells. They didn't just change, they stored fat,

　　2. __________.

　　While this may be reasonable for putting on weight, it doesn't explain 3. __________

　　or even most to America's growing obesity problem. But it adds to other recent evidence that blames huge waistlines on

　　4. __________ than just super­sized appetites and underused muscles.

　　For several years, researchers have looked at a possible link between obesity and this common virus from a family of viruses that cause colds and pinkeye

　　5. __________ people. They had already found that

　　6. __________ higher percentage of fat people had been infected with the virus

　　7. __________

　　nonfat people. They had exposed animals to the virus and got

　　8. __________

　　to fatten up and even found a gene in the virus that caused animals to get fat.专

【2017届高考英语二轮总复习专题训练卷：专题训练卷(四)（湖南专用）人教新课标版】相关文章：

★ 2017届高考英语二轮复习大题冲关秘籍之日常交际用语大全：高考英语非谓语动词及其用法的常考点（含解析）

★ 2014届高考英语一轮复习课时作业(四十五)选修8Module 3《Foreign Food》（外研版）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (58)

★ 四川省广安市2014高考英语一轮基础训练题（10）及答案

★ 2017年高考英语二轮复习精品资料：专题16 书面表达（押题专练）（原卷版）

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第6组（含解析）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (6)

★ 2014高考英语（新人教版）一轮基础训练（8）A、B卷（附答案或解析）

★ 2014届高考英语一轮复习必修3参考答案（外研版）

★ 湖南省长沙县实验中学2016届高三英语二轮复习书面表达复习重点话题指导专题17 体育运动话题指导（学生版）