2019学年度人教版选修八Unit2CloningPeriod2Language points学案(6页word版)
2019学年度人教版选修八Unit2CloningPeriod2Language points学案(6页word版)第2页

答案与解析:B squeeze...out of"把......从......中挤出"。句意:她把湿衣服中的水挤出来。

9.-Could you do me a favour?

-It depends on ________ it is.

A.which B.whichever

C.what D.whatever

答案与解析:C 考查名词性从句。句意:"能帮我个忙吗?""那得看帮什么忙。"用whatever 意思上说不通;帮助内容不明确,不存在选择关系,排除A、B两项。

10.As a candidate,you must make a good ________ on everyone you meet if you want to win the election.

A.decision B.situation

C.impression D.position

答案与解析:C 考查名词辨析。句意:作为一名候选人,如果你想赢得竞选的话,你必须给你见到的每个人留下一个好印象。impression"印象",符合题意。

11.Children's brains can't develop properly ________ they lack protein.

A.when B.since

C.because D.unless

答案与解析:A 考查when的一个特殊用法。本题中的when引导的是一个条件状语从句,相当于if。句意:如果孩子缺少蛋白质,大脑就不能正常发育。

12.Operations which left patients ________ and in need of long periods of recovery time now leave them feeling relaxed and comfortable.

A.injured B.deserted

C.exhausted D.abandoned

答案与解析:C 句意:那些以前使病人疲惫不堪,并需要很长时间康复的手术现在已经使病人感到轻松、舒适了。所选词语应和"relaxed and comfortable"(放松的和舒适的)相反,所以应用exhausted (疲惫的)。

13.As a policeman,Mr Brown thought that he had a duty to ________ the lost children in finding their homes.

A.assist B.help

C.provide D.support

答案与解析:A assist意为"帮助,协助",多指个人给予道义、知识、物质等方面的帮助,与介词in连用。help意为"帮助",后接带to的或不带to的不定式做宾补;provide意为"提供";support意为"支持"。

14.The teacher,________ his students' English was poor,decided to give them more help.

A.knowing B.known

C.to know D.being known

答案与解析:A 动词­ing形式做状语表示原因,句子主语与know之间为主动关系。

15.-Have you worked out the math problem yet?

-Not yet.________ another hour,I may work out this problem.

A.Given B.To be given

C.Giving D.Having been given