37. _________________________ (追溯到) the Qin Dynasty, the traditional Xiangsheng Show is still one of the main Chinese art forms to entertain people.　 (date)

36. The students were late for class yesterday for _________________________ (各种各样的原因) .　 (variety)

35. You won’t have a good harvest if you _________________________ (违背自然) and do things at the wrong time of the year.　 (go)

34. They _______________________ (冒着失去…的危险) everything to save the girl.　 (risk)

33. _________________________ (是在这片地上) the farmers produce food for the whole population of China.　 (it)

32. The story of how I got my new job, and came to be　 _________________________ (和…关系好) my boss is a funny one.　 ( terms)

31. New Zealand　 _________________________ (由… 组成) two large islands: North Island and South Island.(make)

29. I feel silly in these clothes. Everyone will _____________ me.

　 A. worry about　　 B. take interest in　　 　　 C. get rid of　　 　　　　 D. make fun of

28. If you try to learn too many things at a time, you may get _____________ .

　 A. surrounded　　 　 B. settled　　 　　　　　　　 C. confused　　　 　　　　　　　 D. amused