C．Speaking.

　　D．Are you John?

　　解析：speaking为This is Mr. Wang speaking的省略。

　　答案：C

　　Ⅱ.完形填空

　　Eating less may bring longer life？A study by the National Institutes of Health__1__that reducing calories by 30 percent__2__to slow the rate of aging in monkeys，providing__3__evidence that humans might live longer by eating less.

　　The study has shown that a __4__diet that includes a sharp reduction in calories caused the animals to__5__a lower body temperature，a slower metabolism(新陈代谢)and __6__changes in the biochemical markers for aging.

　　Dr.George Roth，a __7__at the research center of the National Institute on Aging said，“This shows that what has been demonstrated in mice__8__can apply in monkeys”．

　　“ We have__9__for 70 years that__10__you feed laboratory mice less food，they age slower，they__11__longer and they get diseases less__12__，”he said.“We find that monkeys respond in the same__13__and that the same biological changes may be in__14__here.”

　　Dr.Roth said__15__biochemical measurements also showed that eating less was__16__for the monkeys.

　　The study is__17__and involves 200 monkeys.Dr.Roth said that the diets of the monkeys included all of the__18__vitamins and other nutriments__19__that half of the monkeys received about 30 percent fewer calories than a__20__group.

【高考英语同步练习《Unit 2 Fit for life》周末自主测评（十八） 译林版选修7】相关文章：

★ 【浙江专用】2014届高考英语一轮复习课时作业(三十一)选修7Unit 1《Living well》

★ 湖南省岳阳市2014高考英语一轮单项选择训练题（4）及答案

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（23）模块8 《Unit 23 Conflict》（含解析） 北师大版必修1

★ 四川省2016届高考英语一轮复习课时作业（37） Module 1 Basketball 外研版选修8

★ 老师盘点2016高考英语复习单词速记法

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M8《Unit 3　The world of colours and light》

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M6《Unit 3　Understanding each other》

★ 2014届高考英语一轮复习课时作业(十七)必修3Module 5《Great People and Great Inventions of Ancient China》（外研版）

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M10《Unit 3　Protecting ourselves》Word版含解析

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（2）模块1 《Unit 2 Heroes》（含解析） 北师大版必修1