Questions 21 and 22Choose the correct letter, A, B or C. The conversation may take place in a（） A: university. B: bookstore. C: canteen.

Question 22 to 25 are based on the passage you have just heard,choose the best answer,choose the best answer. A: On the condition that it is carefully learned. B: On the condition that it is applied. C: On the condition that the learner is interested in it. D: On the condition that it is real knowledge.

【单选题】There isn’t any difference between the two. I really don’t know ________. A. where to choose B. which to choose C. what to choose D. to choose which (5.0分) A. where to choose B. which to choose C. what to choose D. to choose which

【单选题】22 A. 22 B. 22 C. 22 D. 22

The college offers so many courses; the students haven’t decided ______. A: where to choose B: B．whom to choose C: C．which to choose D: D．why to choose

When there are several topics ________, he will have a hard time making the decision. A: for him to choose B: for him to choose from C: he had to choose them D: that he choose

How to choose the right internship according to the writer? A: Choose a company which is very well-known. B: Choose one which offers good benefits. C: Choose one which matches your interests.

中国大学MOOC: If one has to choose one of these, then he should choose _________

19. If you could live on another planet, which one _____? A: would you choose B: do you choose C: you would choose

某工厂生产车间３０人工人日产量原始数据如下： 20 21 21 24 23 22 20 21 22 23 24 20 24 21 22 22 23 24 22 21 22 23 22 21 21 22 22 23 22 23 试编制工人日产量频数分布表