题目内容

29. My uncle warned me in the river alone,because it's dangerous.

   A. swimming       B. to swim

   C. not swimming   D. not to swim

29. D

29. D本题考查非谓语动词的用法。warn sb. ( not) to do sth.意为”提醒某人(不要) 做某事"。结合后句句意可知选 D.

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    Los Angeles is known for its car culture. There are so many cars on the roads that the 31 can be heavy all day. But now,a group of cyclists (骑自行车的人) are trying to change the city's car culture 32 getting people out of their cars.

    Devon Fitzgerald is one of them. He said, " A lot oi people are in a rush,so I have to be very 33 when Fm riding my bike on the roads of Los Angeles. " 34 riding a bike to work can be dangerous,Devon prefers it. He continued, " First,it's good for 35 health. Second,1 don't have to 36 parking."

    To make cycling safer,some cyclists who live and work near each other are riding to work 37 People call the group L. A. Bike Trains. As the saying goes, " There's safety in numbers. " The government has also done 38 to support these cyclists. For example,Los Angeles has built more bike lanes (车道) to 39 more people to ride bikes to work.

    Do you want to become a member of L. A. Bike Trains? First of all,you need to have a 40

31. A. noise   B. traffic   C. rain   D. work

32. A. on   B. for   C. by   D. with

33. A. fast   B. happy   C. relaxed   D. careful

34. A. Because   B. Though   C. Since   D. When

35. A. my   B. his   C. her   D. their

36. A. ask for   B. write down   C. look up   D. worry about

37. A. alone   B. together   C. happily   D. suddenly

38. A. anything   B. something   C. nothing   D. everything

39. A. avoid   B. promise   C. teach   D. encourage

40. A. car   B. bus   C. bike   D. train

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