[单选题] The professor could hardly find sufficient grounds ________ his arguments in favour of the new theory.

1、[阅读理解]【完形填空】 10. A. sure
B. sure of
C. believe
D. Think

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2、[阅读理解]5. According to the author, _____.
A) it is rather complicated to answer the question ―Why do we laugh? ‖
B) it is really simple to answer the question ―Why do we laugh? ‖
C) there is a sharp difference between man ’s laughing and animal ’s laughing
D) nationalities seem to disappear about jokes

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3、[阅读理解]【完形填空】 5. A. who
B. how
C. that
D. what

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4、[阅读理解]4. The real power of words consists in their________
A) properties
B) characteristics
C) peculiarity
D) representative function

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5、[阅读理解]【完形填空】 7. A. the young man
B. the owner
C. the American
D. another young man

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