A．when　　 B．that　 C．where　 D．before

　　17______ computers play such an important part in our daily life?

　　A．Why it is that　　 B．Why is it that　

　　C．Why was it that　 D．Why is it

　　18 Is it under the tree ______ the boy is sitting ______ you picked up the wallet?

　　A．where；where　　　 B．that：where

　　C．that；that　　　　 D．where；that

　　19 In my opinion，what Zhai Zhigang ______ good to our country's international positions.

　　A．did do does　　　　 B．did does do

　　C．does did do　　　　 D．do do did

　　20 I really don't know ______ I had my money stolen.

　　A．where was it that　 B．that it was where

　　C．where it was that　 D．it was where that

　　Ⅱ.体验高考

　　1-Have you seen the film Under the Hawthorn Tree?

　　-Of course，I have.It was in our village ______ it was made.

　　A．that B．where C．when D．which

　　2 Was it on a lonely island ______ he was saved one month after the boat went down?

　　A．where B．that C．which D．what

　　3 It's not what we do once in a while ______shapes our lives，but what we do consistently.

　　A．which　　　 B．that　　　 C．how　　　 D．when

　　4 It is not how much we do but how much love we put into what we do ______ benefits our work most.

　　A．who　 B．which C．that　 D．what

　　答案：1．B　本句是强调结构，强调these poisonous products。

　　2．A　本句是强调结构，be to blame意为"应受责备"。

　　3．C　强调for this reason。

　　4．B　本句是强调结构的特殊疑问句形式。

　　5．A　本题考查强调结构，强调not until 1956。

　　6．B　强调谓语动词，用do(did，does)＋do。

　　7．D　本句首先是强调结构，被强调部分the training后跟定语从句，从句引导词为which或that，what不引导定语从句。

　　8．D　本句强调only the two passengers。

　　9．D　本句为强调结构，被强调部分是because of the bad weather。

　　10．A　本句不是强调结构，句意："当他回来时，时间是10点钟。"若ten前面有介词at，句子变成强调结构。

　　11．C　此句是强调结构，强调主语应用主格形式，而且，who后面的谓语动词应与I保持一致。

　　12．B　一般情况下，在强调结构中，无论强调什么成分，都可以用that引导，若强调人可用who或whom取代。

　　13．B　句意："我毕业已经三年了。"其句型为"It is(has been)一段时间since..."。

　　14．D　考查强调句型。句意："从2006年起，中国政府就停止向农民征税。"强调时间状语。

　　15．C　本句是强调句型的一般疑问句形式。

　　16．B　句意："直到到了家，詹妮弗才发现钱包丢了。"考查his/was not until...that...结构。

　　17．B　本题考查强调句型的特殊疑问句形式，原陈述句应是：It is computers that play such an important part in our daily life.。

　　18．D　本句是一个强调结构的一般疑问句，强调部分是under the tree，其后跟了一个定语从句，第一个空在定语从句中作地点状语，因此应用where。

19．B　考查强调谓语动词和what引导的从句作主语。what Zhai Zhigang did作主语