41. There are other problems which I don’t propose to _A_ at the moment.

　　A go into B go around C go for D go up

　　at the moment 目前，现在。 go into 谈论，讨论。

　　42. Don’t get your schedule _C_; stay with us in this class.

　　A to change B changing C changed D change

　　43. It is quite necessary for a qualified teacher to have good manners and _A_ knowledge.

　　A extensive B expansive C intensive D expensive

　　extensive adj. 范围广大的，广博的; extensive knowledge 知识渊博。

　　expansive adj. 扩张的，面积广阔的; expensive adj. 昂贵的，高价的。

　　intensive adj. 仔细深入的，细致入微的。

　　54. The patient’s health failed to such an extent that he was put into _C_ care.

　　A tense B rigid C intensive D tight

　　to such an extent 到如此的程度。 intensive care 特级护理。

　　44. Jean doesn’t want to work right away because she thinks that if she _B_ a job she probably wouldn’t be able to see her friends very often.

　　A has to get B were to get C had got D could have got

　　46. A love marriage， however， does not necessarily _B_ much sharing of interests and responsibilities. [a love marriage 因相爱而结婚形成的婚姻]

　　A take over B result in C hold on D keep to

　　not necessarily 未必; interests n. 利益。 take over 接管，接收;

　　result in 导致，结果是; hold on 坚持，挺住; keep to 坚持，遵守。

　　47. The ability to store knowledge makes computers different form every other machine _A_ invented. [ever adj. 曾经，以往任何时候]

　　A ever B thus C yet D as

　　48. I’m not sure whether I can gain any profit from the investment， so I can’t make a(n) _C_ promise to help you.

　　A exact B defined C definite D sure

　　definite： unlikely to be changed 不可能被改变的; definite promise 不可能被改变的诺言。

　　49. I have kept that portrait _B_ I can see it every day， as it always reminds me of my university days in London.

　　A which B where C whether D when

　　which在定语从句中除了做主语就是做宾语，when在定语从句中只能做时间状语。

　　remind sb. of sth. 使某人想起某事。

　　50. The sports meet， originally due to be held last Friday， was finally _D_ because of the bad weather. [sports meet=sports meeting 运动会]

　　A set off B broken off C worn off D called off