20.??As teachers we should concern ourselves with what is said, not what we think _____. A. ought to be said B. must say C. have to be said D. need to say ...

15.??The mere fact _______ most people believe nuclear war would be madness does not mean that it will not occur. A. what B. which C. that D. why ...

10.??Only under special circumstances _______ to take make up tests. A. are freshmen permitted B. freshmen are permitted C. permitted are freshmen D. are permitted freshmen ...

5.??I had just started back for the house to change my clothes _______ I heard voices. A. as B. when C. after D. while ...

20.??We do not have a _______ school in our institute. The highest degree we provide for the students is a B. A. and a B. S. A. continue B. bay C. assistance D. graduate ...

15.??This river is so big that it is impossible to build a _______ under it without modern technology. A. canal B. tunnel C. channel D. cable ...

10.??When making modern cameras, people began to _______ plastics for metal. A. surround B. substance C. stretch D. substitute ...

5.??With the help of the government, a large number of people __after the flood in 1991. A. survived B. suspended C. suffered D. subjected ...

4.??消费贷款大多为中长期贷款，存在着较长的风险潜伏期。 A. 错误 B. 正确 ...

14.??在外汇贷款当中，政府贷款、混合贷款、商业贷款应使用的货币是（ ）。 A. 我国银行发放现汇贷款五种货币中的一种 B. 人民币 C. 协议规定的货币 D. 美元 ...