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专升本理工类英语政治数学

15. I＇ve never dined with you, sir; and I see no reason ( ).

A、　 how should I now

B、　 how I should now

C、　 why should I now

D、　 why I should now

答案：D

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4. "Did you visit Grace last summer?""No, but I ( ) her over the Christmas vacation."

A. 　 will see

B. 　 be seen

C. 　 have seen

D. 　 have been seeing

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解析：试题解析:本题考查的知识点为连续函数在闭区间上的最大值.若f(x)在(a,b)内可导,在[a,b]上连续,常可以利用导数判定f(x)在[a,b]上的最值:

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2.The house needs ( ), but they plan to wait until next spring to do it.

A. 　 paint

B. 　 to paint

C. 　 painting

D. 　 be painted

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27一切政策及其实践的好坏,归根到底要看它是()

A. 　社会主义还是资本主义

B. 　唯物主义的还是唯心主义的

C. 　马克思主义的还是修正主义的

D. 　束缚生产力还是解放生产力

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38It is obvious that there are at least two vitamins. ( ) is soluble in fat; ( ) is soluble in water.

A. 　 The one…the other

B. 　 One…the other

C. 　 One…another

D. 　 One…the another

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206我国各民主党派是

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15. Do you have any ( ) the sentence ?

A. 　 difficulty to understand

B. 　 difficulty in understanding

C. 　 difficulties at understanding

D. 　 difficulties to understand

解析：解析:have any difficulty in doing sth.

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2.If Mary ( ), tell her I＇ll call her back as soon as I return.

A. 　 call

B. 　 calls

C. 　 called

D. 　 is going to call

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18. Of the two lectures, the first was by far the ( ).

A. 　 good

B. 　 better

C. 　 best

D. 　 worst

解析：解析:by far跟形容词或副词的比较级或最高级连用时,放在这类词的后面。解析:如果这类词带有冠词,放前,放后都可以。解析:It is quicker by far to go by train.解析:She is the best by far. (She is by far the best.)

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8. What date is it ? It’s ( ).

A. 　 July twentieth-first

B. 　 July the twenty-first

C. 　 the twenty-first of July

D. 　 Both B and C

解析：解析:7月21日:July the twenty-first解析:the twenty-first of July

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