4. Paper produced every year is ______ the world’s production of vehicles.

　 A. the three times weight of　　　　　 B. three times the weight of

　 C. as three times heavy as　　　 　　　D. three times as heavier as

3. I do every single bit of housework _____ my husband Bob just does the dishes now and then.

　 A. since　　　　　 B. while　　　　 C. when　　　　 D. as

2. He claimed _____ in the supermarket when he was doing shopping yesterday.

　 A. being badly treated　　　　　　 B. treating badly

　 C. to be treated badly　　　　　　　 D. to have been badly treated

1．　 The idea puzzled me so much that I stopped for a few seconds to try to ______.

A. make it out　　 B. make it off　　 C. make it up　　 D. make it over

47. on a large scale　　　　　　　　　　　 48. pass away

45. adapt oneself to　　　　　　　　　　　 46. be of +抽象名词

43. relate to　　　　　　　　　　　　　　 44. bring sth back in view

41. have an appetite for　　　　　　　　　　 42. look out (for)

39. be designed to/for　　　　　　　　 　　　40. in area

37. suffer from　　　　　　　　　　　　　 38. if any