40.What is the main idea of the passage ？

45.Why did the young man like to go to Howard Johnson’s ？

39.Which of the following is NOT a reason why people look after their relatives ？

37.Who will most probably take care of the middle-aged Americans when they need care themselves ？

35.Jenny was looking for a seat when, luckily, a man_and left.

24.There is no doubt _ he is a good employee, for he has all the qualities that the company needs.

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63. 不管发生什么 , 他们都将完成这个试验。

44.The word”self-possession”（Para.1）probably means_.

31.There is not much news in today’s paper_？

59. 直到大学毕业 , 他才意识到社会实践的重要性。 

22.When Mr.Smith got there, he found that about_of his friends had arrived.