With so much noise outside, the students can’t _____ their homework.A.concentrat

With so much noise outside, the students can’t _____ their homework.A.concentrat

题型:不详难度:来源:

With so much noise outside, the students can’t _____ their homework.
A.concentrate onB.depend on C.keep onD.put their hands on

答案
A
解析

试题分析:重点理解句意,掌握四个选项的区别concentrate on集中精力于某事 depend on依靠 keep on 继续put their hands on找到;把手放到什么上面  整个句意为:伴随着外面巨大的噪音,学生们不能集中精力于他们的功课上。故选A。
点评:本题不难,理解了句意后不难得出答案。平时的复习,要多对动词的短语进行积累、记忆,同时最好能在作文运用出来,这样就能做到学以致用了。
举一反三

You’d better spend your time just on the things you find ______.
A.worth doing them   B.worth being done
C.worthy of doing them  D.worthy of being done

题型:不详难度:| 查看答案

The president spoke at the business meeting for nearly an hour without ______ his notes.
A.bringing upB.referring toC.looking forD.trying on

题型:不详难度:| 查看答案

The operation room in every hospital has to ______ bacteria of any kind.
A.keep free fromB.make it free from C.be made free fromD.be kept free from

题型:不详难度:| 查看答案

With food, water and electricity ______, the villagers are suffering a lot.
A.cut downB.cut upC.cut offD.cut in

题型:不详难度:| 查看答案

He has promised to _________ the matter and will give the workers a satisfactory answer.
A.look intoB.look after
C.look atD.look for

题型:不详难度:| 查看答案
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