58. Don’t all speak ____. One at a time, please.

　 A. in time　　　　　　　 B. on time　　　　　　 C. at the same time　　　　 D. at one time

57. ____ the ability to fight against disease, but also helps us build our body.

　 A. Vitamin C not only provide　　　　　　　　　　 B. Not only does Vitamin C provide

　 C. Not only Vitamin C provides　　　　　　 D. Vitamin C, which not only provides

56. He gave me a book as a present, whose title is An Introduction _____ English

Grammar.　　　　　　　　 B. of　　　　　　　 B. by 　　　　　　 C. to　　　　　　　　　　 D. for

55. The black ____ in the United States before the Civil War.　 A. looked on as 　

B. were looked down upon as　 C. were looked on as　 D. were looked down upon

54. One of the requirement for the fire is that the material ____ to its burning

temperature.

A. is heated　　　　　　 B. will be heated　　 C. would be heated D. be heated

53. The teacher agreed to the suggestion that the students ____ tow weeks to prepare for

the exam.

A. give　　　　　　　　　 B. should give　　　　 C. be given　　　　　　 D. would be given

52. ---When will the game begin?　 ---It will begin later than usual ____ 15 minutes.

　 A. in　　　　　　　　　　　 B. on　　　　　　　　　　 C. by　　　　　　　　　　 D. in

51. ---Did you loose the match?　 ---Yes, we lost the match ____ one goal.

　 A. by　　　　　　　　　　　 B. at　　　　　　　　　　　　　　 C. with　　　　　　　　　 D. only

50. What surprised me was not what he said but ____ he said it.

　 A. the way　　　　　　　　　　 B. in the way that　 C. in the way 　　　　　　　 D. the way which

49. Time should be made good use ___ our lessons well.

　 A. of learning　　　　　 B. to learn　　　　　　 C. to learning　　　　 D. of to learn