21. Until then, his family _D_ from him for six months.

A didn't hear B hasn't been hearing C hasn't heard D hadn't heard

until then 直到那時。hear from sb. 收到某人的來信，得到某人的消息。

22. The conference _B_ a full weekbythe time it ends.

A must have lasted B will have lasted C would last D has lasted

見到介詞by引導的時間狀語，謂語動詞就應是完成時態。

24. Physics is _B_ to the science which was called natural philosophy in history.

A alike B equivalent C likely D uniform

be alike to sb. 對于某人來說均是一樣的。be equivalent to 相當于。

All tastes are alike to him. 所有味道對他來說都一樣。

27. The new appointment of our president _A_ from the very beginning of next semester.

A takes effect B takes part C takes place D takes turns

semester n. 學期；president n. 大學校長；take effect 生效，發生效力；

take part in 參與，參加；take place=happen 發生；takes turn to do sth. 輪流做某事。

28. The president made a _A_ speech at the opening ceremony of the sports meeting, which encouraged the sportsmen greatly.

A vigorous B tedious C flat D harsh

ceremony n. 典禮，儀式；表達在某個典禮上介詞用at。vigorous adj. 強勁有力的，強有力的。

harsh adj. 刺耳的，令人不愉快的；flat adj. 平淡無奇的；tedious adj. 冗長無聊的。

29. It is useful to be able to predict the extent _C_ which a price change will affect supply and demand. [extent to]

A from B with C to D for

30. Finding a job in such a big company has always been _D_ his wildest dreams.

A under B over C above D beyond

beyond one’s wildest dreams 做夢也想不到。

31. It is not easy to learn English well, but if you _C_, you will succeed in the end.

A hang up B hang about C hang on D hang onto

hang on 堅持，繼續下去。

32. It is reported that _C_ adopted children want to know who their natural parents are.

A the most B most of C most D the most of

most單獨出現的時候有兩種詞性要考慮：1 adv. 非常；2 adj. 大多數的。

the most后面加多音節的形容詞或副詞構成該句的最高級。

most of + 名詞，表示這些名詞中的大多數。make the most of 充分利用。

34. _D_ before we depart the day after tomorrow, we should have a wonderful dinner party. [Were they to arrive=If they were to arrive]

A Had they arrived B Would they arrive C Were they arriving D Were they to arrive

35. The strong storm did a lot of damage to the coastal villages: several fishing boats were _A_ and many houses collapsed.

A wrecked B spoiled C torn D injured

collapse vi. 倒塌，坍塌；wreck vt. （船只）遭到破壞。

torn原形是tear，n. 眼淚，vt. 撕裂，撕開。

37. As _B_ announced in today's papers, the Shanghai Export Commodities Fair is also open on Sundays.

A being B is C to be D been

注意兩個非限定性定語從句的引導詞：as, which。

which在做非限定性定語從句引導詞時有兩個特點：

1 which前要有逗號與前面句子分開；2 which引導非限定性定語從句指的是前面整句話的內容。

只要引導非限定性定語從句as和which都指一句話內容，區別在于which只能放在它所指那句話的后面，而as可以在前面也可以在后面。

38. You see the lightning _A_ it happens, but you hear the thunder later.

A the instant B for an instant C on the instant D in an instant

the instant=as soon as 一…就…

39. The manager lost his _B_ just because his secretary was ten minutes late.

A mood B temper C mind D passion

lose one’s temper 發脾氣。

40. Great as Newton was, many of his ideas _C_ today and are being modified by the work of scientists of our time.

A are to challenge B may be challenged C have been challenged D are challenging

as表示“盡管”時引導從句，從句中的表語可以放在引導詞之前構成部分倒裝。

41. Please be careful when you are drinking coffee in case you _D_ the new carpet.

A crash B pollute C spot D stain

pollute vt. 污染；spot n. 地點，場所，斑點，污點；v. 使…上有斑點、污點。

spotted dog 斑點狗。stain v. 弄臟，玷污，染色。

59. The tomato juice left brown _A_ on the front of my jacket.

A spot B point C track D trace

42. I'd rather read than watch television; the programs seem _B_ all the time.

A to get worse B to be getting worse C to have got worse D getting worse

all the time 始終，一直。

43. Convenience foods which are already prepared for cooking are _D_ in grocery stores.

A ready B approachable C probable D available

convenience foods 方便食品；instant coffee/noodle 速容咖啡/速食面。

ready adj. 準備好的；approachable adj. 可接近的，平易近人的，親切的。

probable adj. 可能的；available adj. 可獲得的，可利用的，可支配的。

44. When I caught him _A_ I stopped buying things there and started dealing with another shop.

A cheating B cheat C to cheat D to be cheating

45.It is important thatenough money _A_ to fund the project.

A be collected B must be collected C was collected D can be collected

46. Some old people don't like pop songs because they can't _C_ so much noise.

A resist B sustain C tolerate D undergo

tolerate vt. 忍受，容忍；undergo vt. 經歷，遭受。

48. _C_ one time, Manchester was the home of the most productive cotton mills in the world. [at one time 曾經，一度]

A On B By C At D Of

49. _A_ it or not, his discovery has created a stir in scientific circles.

A Believe B To believe C Believing D Believed

believe it or not 信不信由你。creat a stir 引起轟動。

50. Mr. Morgan can be very sad _C_, though in public he is extremely cheerful.

A by himself B in person C in private D as individual