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智能题库>大学英语>下篇 第1章 词汇及语法结构 Exercise 2（选择题1~20题）
单选题

1、_______ theory must be closely connected with practice is a basic rule we should always keep in mind.

2、You’ll never guess who I met today — my old teacher! We _____ for 20 years.

3、Nobody in the class except you and me _____ to the principal about the air quality problems.

4、It is no longer a problem _______ the poor children in this district can go to school.

5、The _____ look in her face suggested that she _____ it before.

6、These winners from that key school are wise and diligent, actually there are______students in that school.

7、There has been a great increase in retail sales, ____﹖ 　　

8、______ that no one was ever prepared for it.

9、We should ________ ourselves assiduously and faithfully to the duties of our profession.

10、_____ you want me to fire you, I suggest you stop wearing sports clothes at office.

11、If there’s no reply at the front door, _________ round the back.

12、Johnny, you _______ play with the knife. You _______ hurt yourself.

13、It was what he meant rather than what he said ______ annoyed me.

14、Electricity, like other forms of ______, has greatly increased in price in recent years.

15、Two of the notebooks ____ Tom had lost on the bus were returned to the main desk at his dormitory.

16、— You were brave enough to raise objection at the meeting. —Well, now I regret _______ that.

17、We hadn’t met for 20 years, but I recognized her _____ I saw her.

18、One of the requirements for the fire is that the material _______ to its burning temperature.

19、The treatment will continue until the patient reaches the point ________ he can walk correctly and safely.

20、Professor Wang, _______ for his informative lectures, was warmly received by his students.