71.生产关系对生产力的反作用表现在
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54 Directions: For each blank in the following passage, there are four choices given below and marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the Answer Sheet. Investors can ( )51( ) money simply by loaning it. The money they loan is called capital. Security (担保) is an expensive item which the borrower mortgages (抵押) to the investor to show that he intends to ( )52( ) the debt. The way investors make money on loans is to charge interest. Interest is money that ( )53( ) pay to investors for the use of their money. Interest is usually a certain percentage of the capital. Investors sometimes ( )54 ten percent or more interest per year. The interest may be calculated daily, monthly, or yearly. The interest must be ( )55( ) before the capital can be repaid. If the interest is not ( )56( ) the agreed rate, the interest is added ( )57( ) the capital. Then the borrower has ( )58( ) pay interest on the unpaid interest ( )59( ) on the capital. A debt can grow quickly this way. If the total of the capital and accumulated interest gets too high, the investor will take ( )60( ) of the item used as security and sell it to get his money back.
A. cost
B. ask
C. charge
D. change
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5. You can fly to London this evening ( ) you don＇t mind changing planes in Paris.
A. unless
B. except
C. so far as
D. if
解析：解析:mind doing sth.解析:unless (除非)解析:except (除了)解析:in so far as (到什么什么程度)so far (迄今为止)解析:if (如果)
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12As a poor fresh student, he had to do a part-time job ( ) money.
A. owing to
B. because of
C. on account of
D. for the sake of
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22. ( ) left before the deadline, it doesn＇t seem likely that John will finish the job.
A. Although such a short time
B. It is such a short
C. With so short time
D. With such a short time
解析：解析:C的正确
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220.当今世界和平与发展的主要障碍是
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17
解析：解析:
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5
解析：试题解析:本题考查的知识点为二阶常系数线性非齐次微分方程特解y*的取法:
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11. Never before ( ) so many people been engaged in producing goods just for the comfort of man.
A. has
B. have
C. will
D. would
解析：解析:never before开头,句子倒装。主语so many people为复数。engage in doing sth. 忙于做某事。
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22. “Mr. Wilson is expected back at noon.” “Would you have him ( ) me then , please?”
A. call
B. to call
C. calling
D. called
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