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10.(07湖北26)

People try to avoid public transportation delays by using their own cars,and this   creates further problems. 

A.in short            B.in case          C.in doubt           D.in turn

答案  D

解析  A项“简言之”;B项“以防万一”;C项“怀疑”;D项“反过来”。句意为:人们想开自己的车来避免交通耽搁,这反过来却导致了进一步的问题。

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9.(07江西23)

Scientists are convinced          the positive effect of laughter           physical and mental health. 

A.of; at               B.by; in             C.of; on            D.on; at

答案  C

解析  be convinced of sth.坚信……;the effect on sth.对于……的影响;由此搭配形式可知C项正确。

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8.(07安徽21)

The field research will take Joan and Paul about five months; it will be a long time     we meet them again.

A.after               B.before            C.since             D.when

答案  B

解析  本题考查before引导的时间状语从句的用法。主句为将来时态,从句用一般现在时态表示将来。

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7.(07天津8)

It is difficult for us to learn a lesson in life           we’ve actually had that lesson. 

A.until               B.after             C.since             D.when

答案  A

解析  句意为:对我们来说在生活中得到启示是很难的,直到我们真正得到了那一启示。A项为“直到”;B项为“在……以后”;C项为“自从……以来”;D项为“当……的时候”。

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6.(07上海38)

Small sailboats can easily turn over in the water           they are not managed carefully. 

A.though             B.before            C.until             D.if

答案  D

解析  句意为:如果小帆船没有被仔细掌控好的话,那么在水中就很容易被打翻。if如果,引导条件状语从句。

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5.(07上海25)

Leaves are found on all kinds of trees,but they differ greatly        size and shape. 

A.on                 B.from              C.by                  D.in

答案  D

解析  differ in在……方面不同;differ from与……不同。

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4.(07北京33)

Leave your key with a neighbor     you lock yourself out one day. 

A.ever since               B.even if           C.soon after         D.in case

答案  D

解析  A项意为“自从……以来”,B项意为“即使”,C项意为“不久之后”,D项意为“以防;以免”。句意为:留一把钥匙给邻居,以免有一天你把自己锁在门外。

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3.(07北京31)

You have failed two tests. You’d better start working harder,      you won’t pass the course.

A.and                   B.so                C.but              D.or

答案  D

解析  句意为:你已经两次考试不及格了,你最好更加努力学习,否则你这门课程还会不及格。or否则。

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2.(07全国Ⅱ8)

      he had not hurt his leg,John would have won the race. 

A.If                 B.Since             C.Though           D.When

答案  A

解析  本题为与过去事实相反的虚拟条件句。

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1.(07全国Ⅰ31)

Between the two generations, it is often not their age,           their education that causes misunderstanding. 

A.like                B.as                C.or               D.but

答案  D

解析  本题结合强调句型考查并列连词词组not...but...不是……而是……,句中该并列连词词组连接主语。

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