4．你认识的人越多，你见他们的时间就越少。(the more...，the less...)
________________________________________________________________________
3．以前谁也没想到这一点，这使我感到惊讶。(astonish)
2．你习惯吃这儿的饭菜吗？(be used to)
1．--我今晚上可以用一下你的电脑吗？
--当然可以，用吧，正好我不用。(go ahead)
15．-Has Bob left ________ stage?
-I’m afraid not.For him ________ stage is a means of making a living.
A．a；a B．the；a C．the；the D．a；the
解析：stage除了表示“阶段；时期”外，还有“舞台”的意思。leave the stage离开舞台，the stage戏剧表演。
答案：C
14．She was supposed ________ at home，but her mother found her in the park.
A．to be reading B．reading C．read D．have read
解析：be supposed to do sth.应该……。句意：她本应正在家读书。
答案：A
13．Generally speaking，solids expand as the temperature increases and ________ when they are cooled.
A．contract B．decrease C．reduce D．dissolve
解析：contract意为“收缩”；decrease意为“减少”；reduce意为“减少”；dissolve意为“溶解；分解；分离”。根据句意：一般来说，固体热胀冷缩，可知答案为A。
12．It was difficult to guess what your parents’ ________ would be to your failure in the examination.
A．impression B．reaction C．comprehension D．opinion
解析：reaction意为“反应；意见”，与介词to搭配；impression意为“印象；感想”，与介词of搭配；comprehension意为“理解”，多与介词of搭配；opinion意为“意见；看法”，多与介词of或on搭配。根据句中的介词to，可知答案为B。
答案：B
11．With the help of the foreign experts，our factory produced ________ cars in 2006 as the year before.
A．more than twice B．as twice as many
C．twice as many as D．more than twice as many
解析：根据句中的as可知本题考查“倍数+as...as”结构。more than为一个修饰词，应置于倍数词前面。句意：在外国专家的帮助下，我们厂2006年生产的小汽车是前一年的两倍多。
答案：D
10．-May I use your bike after school?
-________.I’m not using it anyhow.
A．Sure，go ahead B．It’s your turn C．That depends D．You’ve got it
解析：“放学后我能用你的自行车吗”根据答语后一句可知表示同意，因此用Sure，go ahead，“当然，用吧”。