40.What is the main idea of the passage ？

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

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30.California relies heavily on income from fruit crops, _.

63. 不管发生什么 , 他们都将完成这个试验。

43.What did the young man usually have at a restaurant ？

21.Where do you normally have your hair_？

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

28.We had the machine_just now.

29.This stick is_that one.

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

42.The young man was not found to be illiterate until_.