3.work on,work at

work on 有三个意思: (1)研究,从事于……项目;(2)在……上工作;(3)对……产生影响;work at 意思为“用功于;从事于”。在表示此意思时,两者的区别是:work on 带有深入研究的含义。

应用

(1)The headmaster might accept our suggestion if someone works______him.

(2)In the fields,a group of girls were working______tomato plants.

(3)He is working hard______maths.

(4)He is working______a maths problem.

(5)In order to get a doctor’s degree,he is working hard______Shakespear.

答案:(1)on  (2)on  (3)at  (4)on  (5)on

典例剖析

[例1] (2004年全国卷Ⅰ,32)You can take anything from the shelf and read,but please______the books when you’ve finished with them.

A.put on            B.put down          C.put back           D.put off

剖析:本题考查由put构成的词组,put back放回去;put on穿上,挂起来;put down放下,记下;put off表示延期,使(乘客)下车等。

答案:C

[例2] (2004年辽宁,26)Before the war broke out,many people______in safe places possessions they couldn’t take with them.

A.threw away        B.put away          C.gave             D.carried away

剖析:本题考查动词短语。战争爆发前,人们会把带不走的财产放在安全的地方。故此处填“把……收起来放好”,put away正是此意。throw away扔掉,放弃;gave away放弃、储蓄;carry away带走。这三项均不符合语境。

答案:B

[例3] (2004年春季上海高考题)A fast food restaurant is the place ______,just as the name suggest,eating is performed quickly.

A.which            B.where            C.what             D.there

剖析:where 引导定语从句,在从句中作状语。

答案:B

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