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41.Glass may _______ at high temperature.

A. profit B.pronounce C.sting D.melt

42.Silver _______ electricity far better than other materials.

A. equips B.strikes C.cracks D.conducts

43.Everyone is encouraged to _______ food or clothing for those who suffered a great deal in the flood.

A. attribute B.distribute C.contribute D.drift

44.White teeth are a sharp _______ to black skin.

A. content B.contract C.contrast D.contain

45.Tom is _______ about photography. He spends nearly all his money on it.

A. justice B.innocent C.fierce D.crazy

46.We need help from the other countries. But we do not _______ on others for support.

A. engage B.lean C.strip D.multiply

47.We will _______ the plan because of the cost.

A. council B.journal C.damp D.oppose

48.Our train is _______ at Shanghai at seven o’clock this evening.

A. due B.crystal C.cushion D.cooperation

49.Her voice was _______ in the noise.

A. filled B.entertained C.enormous D.drowned

50.He is very _______ in his family and never does anything against his wife.

A. hence B.possess C.outer D.humble

答案:

41.D 42.D 43.C 44.C 45.D

46.B 47.D 48.A 49.D 50.D