16．(吉林省长春市十一中2010届高三上学期期中考试)

Bad habits, ______ formed, are difficult, and sometimes impossible to shake off.

　 A. before　　　　 　B. once　　　　 　　　　C. until　　　　 　　D. unless

答案　 B

15．(浙江省台州中学2010届高三第二次月考)

______ I admit there are differences between us, I don’t think they can separate us. A. When　 　　　　　 B.　If 　　 　　　　　　C. While　 　　　 　　　　 D. As

答案　 B

14．(山西省乡宁县万杰学校2010届高三第二次月考)

– The thread of my kite broke and it flew away.

- I had told you it would easily break ______ it was the weakest.

A. when　　　　　　 B. since　　　　　　 C. where　　　 　　　　D. if

答案　 C

13．(辽宁省抚顺二中2010届高三第一次月考)

Everything will turn out to be all right _______ you don't lose heart.

A. unless　　　 　　　　B. so long as　　 　　C. in case　　 　　　　D. as far as

答案　 B

12．(河北省昌黎一中2010届高三第一次月考)

---I’d like to find a job in the library.

---Good idea, in my opinion, ___ it doesn’t have a bad effect on your studies.

A. unless　 　　　　　 　　B. as long as 　　　　　　 　　C. now that 　　　　　　 　　D. even if

答案　 B

11．(安徽省合肥八中2010届高三第二次月考)

My English teacher’s humor was _________ make every student burst into laughter.

A. so as to　　　 　 B. such that　　 　 C. so that　　　 　 D. such as to

答案　 A

10．(云南省祥云一中2010届高三第二次月考)

______ your composition carefully, some spelling mistakes can be avoided.

A. Having checked　　　　　　　　　　　　　　　　　　 B. If you check

C. Checked　　　　　　　　　　　　　　　　　　　　　　　 D. To check

答案　 B

9．(天津市蓟县下营中学2010届高三第一次模拟)

It’s going to be some time _____ he sees his father again, _____ business has just been started in Switzerland.

A. after; who　　　　　　 B. since; who　　　　　　 C. when;　　　 whose　　　　　 D. before; whose

答案　 D

8．(四川省成都石室中学2010届高三10月月考)

--- Will you go to Mary’s birthday party?

--- No. _____ invited, I can’t go. I’ll be too busy then.

A. If　　　　　　　　　　　　　　 B. Unless　　　　　　　　　　 C. Even if　　　　　　 D. When

答案　 C

7．(山东省淄博市2010届高三第一次摸底考试)

It’s nine thirty now and you'd better go, __________ you'll miss the train.

A. or else 　　　　　　　　　 B. unless　　　　　　　 C. as if　　　　　　　 D. now that

答案　 A