1.________the Internet is bridging the distance between people，it may also break some families or cause other family problems.

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

2.He was so  deep in thought，thinking of the problem________he knocked into the tree without noticing it.

A.when     B.while    C.Because    D.that

3.—What do you think about the new teacher?

—________the new teacher is an elegant lady，she can be extremely difficult to work with.

A.As if    B.As long as    C.Because    D.While

4.Don’t be afraid of asking your teachers for help________it is needed.

A.as     B.since    C.unless    D.when

5.We had to be patient because it________some time________we got the full results.

A.has been;since    B.had been;until    C.was;after     D.would be;before

6.—What should we pay more attention to if we go north in winter，Mum?

—Nothing much.Take warm clothes________the weather is cold.

A.as long as    B.now that    C.if     D.in case    

7.There are，________you don’t mind me saying so，several problems with this idea of yours.

A.if      B.unless    C.although     D.because

8.________there is little we can do to modify the weather，we can at least know what kind of weather to expect.

A.Since    B.When    C.While    D.Unless

9.My mother likes everything in order，and she always reminds us to put things back________we get them from.

A.so that     B.in which    C.once     D.where

10.—I may go to the market this afternoon.

—Could you please buy some fruit for me________you are there?

A.since     B.if    C.while     D.as

11.—What do you think I should wear for such a formal press conference?

—Dress________you like.

A.how      B.what    C.whatever      D.however

12.I had no idea of the exact address of Xinhua High School________I was outside its front gate.

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

13.________some people come here for a short break，others have decided to stay forever.

A.Because     B.If    C.Once       D.While

14.________you’ve experienced it，you can’t understand how I felt.

A.Once     B.Because    C.Unless     D.While

15.—Haven’t seen Lucy recently，what’s happened?

—Oh，it’s more than two months________she worked here.

A.which     B.that    C.before     D.since

答案: 

1.【解析】　考查状语从句。while置于句首，引导让步状语从句，意为“虽然，尽管”。句意为：因特网虽可拉近人与人之间的距离，但也可能破坏一些家庭或者引起其他家庭问题。

【答案】　C

2.【解析】　考查状语从句的引导词。so...that表示“如此，以致”。他思考问题太投入了，以致一不留神儿撞到了树上。

【答案】　D

3.【解析】　while表示“尽管”。句意为：尽管新老师是一位很文雅的女士，但是和她一起工作可能很难。

【答案】　D

4.【解析】　考查连词。句意为“如有需要，不要害怕向老师问问题”。此处when相当于if，表示条件，其他不符合语意。

【答案】　D

5.【解析】　在“it+be+一段时间+before/after/since+从句”句型中，before从句中的动作经过一段时间后才会实现;after从句中的动作发生后已经过去了一段时间;since从句中的动作完成后到现在已经有一段时间了。结合题意可知，答案为D。

【答案】　D

6.【解析】　as long as意思是“只要”，表示条件;now that意思是“既然，由于”，表示原因;if意思是“如果”，表示条件;in case意思是“以防”，表示条件。根据语意可知本题的答案选D。

【答案】　D

7.【解析】　考查连词的用法。句意为：如果你不介意我这么说，你的想法存在若干问题。本句中的“if you don’t mind me saying so”是插入语，表示委婉的语气。

【答案】　A

8.【解析】　考查状语从句。While在此引导让步状语从句，意为“尽管，虽然”。

【答案】　C

9.【解析】　考查状语从句。where we get them from是地点状语从句。

【答案】　D

10.【解析】　考查连词的用法。对方只是说可能会去市场(may go to the market)，因此答语中用if符合语境，即你如果(if)去的话，能帮我买些水果吗?

【答案】　B

11.【解析】　考查状语从句。dress作及物动词时，宾语为人;本题中的Dress为不及物动词，所以后面应该接一个状语从句。句意为：你想怎么穿都行。

【答案】　D

12.【解析】　考查状语从句。根据语意“我到新华中学的校门口时才知道这学校的准确地址”可知C项正确。

【答案】　C

13.【解析】　考查连词。句意为：虽然有些人来此只是短暂停留，有些人却已经决定在这里定居了。because引导原因状语从句，if和once引导条件状语从句，while意为“虽然”，表示转折关系。

【答案】　D

14.【解析】　考查状语从句。句意为：如果你没体验过，你不会知道我的感受。unless=if not“如果不”，引导条件状语从句。

【答案】　C

15.【解析】　考查it’s...since...结构。表示动作自过去发生至今有多久。但该结构从句中谓语动词的性质决定最终的意义。从句中谓语动词为瞬间性动词，则表该瞬间动作发生至今时间多久;若从句中谓语动词为延续性动词，则表示该延续动词动作终止至今时间多久。work属延续性动词 ，该句意为“她不在这儿工作已经有两个多月了”，显然，本题的答案为D。

【答案】　D