60.The _____(媒体) plays an important part in influencing public opinion.

59._____ (判断)from his facial expression, he seems to have been told the truth.

58.The plane crashed, killing all 200 people _____(在飞机上).

57.I kept my reference books near my desk for _____(方便).

56.The Prime Minister has formed a new _____(政府).

55.Only a minority of people o_____,while the majority were in favor of banning smoking.

54.He used to work on a farm.C_____ he earns a living as a fisherman.

53.Peru has a_____ plants from desert grasses to vast areas of jungle.