A competing   B to compete   C to be competed   D having competed
the right to vote 选举权。 动词不定式作后置定语要用主动形式。
the pressure to compete 竞争的压力。

49. As teachers we should concern ourselves with what is said, not what we think _C_.
A have to be said   B must say   C ought to be said   D need to say

50. Once environmental damage _A_, it takes many years for the system to recover.
A is done   B is to do   C does   D has done

51. Studies show that the things that contribute most to a sense of happiness cannot be bought, _B_ a good family life, friendship and work satisfaction.
A as for   B such as   C in case of   D in view of
contribute to 对…做出贡献。

52. He will agree to do what you require _D_ him.
A for   B from   C to   D of
require sth. of sb. 要求某人做某事。

53. The mere fact _A_ most people believe nuclear war would be madness does not mean that it will not occur.
A that   B which   C what   D why
fact后面要加同位语从句。

54. John seems nice person. _C_, I don't trust him.
A Even though   B Therefore   C Even so   D Though
even so 即便如此，尽管如此。

55. I don't think it advisable that Tom _A_ to the job since he has no experience.
A be assigned   B will be assigned   C is assigned   D has been assigned
advisable后面加句子要用虚拟语气，形式为：（should）+ 动词原形。

56. _D_, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.
A Other things to be equal   B Were other things equal
C To be equal to other things   D Other things being equal
B项如果不省略if应为：If other things were equal
如果从句用虚拟语气，主句也必须用虚拟语气形式。
other things being equal 在这里是独立主格做条件状语。

57. _C_ that my head had cleared, my brain was also beginning to work much better.
A For   B Since   C Now   D Despite
注意以下三个后面加句子的表达形式：
1 in that 由于，因为； 2 now that 既然，由于； 3 except that 除了…之外。

59. By 1929, Mickey Mouse was as popular _B_ children as Coca-Cola.
A for   B with   C to   D in
be popular with + 人的群体 受…欢迎。

60. Because Edgar was convinced of the accuracy of this fact, he _A_ his opinion.
A stuck to   B strove for   C stuck at   D stood for
be convinced of 深信，确信； stick to 坚持； strive for 力求，拼命争取。
Don’t strive for perfection. 不要凡是都力求达到完美状态。

48. It’s no use _B_ me not to worry.
A you tell   B your telling   C for you to have told   D having told
It's no use + 动名词。 动名词的复合结构，宾格（形容词性物主代词）+ 动名词。

52. If it _A_ too much trouble, I’d love a cup of tea.
A isn’t   B wasn’t   C weren’t   D hadn’t been
一般日常用语，用一般时。

56. She was glad that her success would ___ for the women who would follow.
A make things easier   B make it easier   C be easier   D be easier to make
make for 导致，促成；朝某个方向前进，走向那里。
不要选有代词指代不明的选项。 A项中的things指的是境况，境遇。

60. We object _C_ punishing a whole group for one person’s fault.
A against   B about   C to   D for

68. The newest satellite can _A_ a thousand telephone conversations and a color TV program at the same time.
A carry   B extend   C bring   D take
carry vt. 传送，传输； extend vt. 延伸，延续（extend to 延伸到，延续到）。
fetch vt. 去拿来，去请来，去叫来； fetch water 打水。

41. The grey building is where the workers live, and the white one is where the spare parts _B_. [spare parts零部件]
A are producing   B are produced   C produced   D being produced