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
48. _a_ a teacher in a university, it is necessary to have at least a master's degree.
a to become b become c one become d on becoming
master's degree 硕士学位; 当介词on后面加动词ing形式时表示时间概念“在…之后”。
49. the little man was _c_ more than one metre fifty tall.
a nearly b quite c hardly d almost
hardly more than 不足，不到。
36. the little man was _b_ one metre fifty high.
a almost more than b hardly more than c nearly more than d as much as
53. medical care reform has become this country's most important public health _c_.
a question b stuff c matter d issue
matter 事物，事情; question 有疑而问，并且有待回答的问题;
questions and answers q & a 问与答; issue n. 问题(强调的是政治方面的问题)。
1999年前，台湾问题taiwan issue;1999年后，台湾问题taiwan question，态度转变。
60. if you don't like to swim, you _b_ stay at home.
a should as well b may as well c can as well d would as well
may as well 还是，到不如。
70. they are teachers and don't realize _a_ to start and run a company.
a what it takes b what takes it c what they take d what takes them
start and run a company 创立并经营一家公司。
23. a healthy life is frequently thought to be _d_ with the open countryside and homegrown food.
a tied b bound c involved d associated
be involved with 牵涉，卷入; be associated with 与...相关，联系起来。
homegrown food 自家种的食品; wine 葡萄酒; house wine 自家的酒。
33. the traditional approach _a_ with complex problems is to break them down into smaller, more easily managed problems.
a to dealing b in dealing c dealing d to deal
approach n. 方式，方法; approach to + 动名词。
43. it's already 5 o'clock now. don't you think it's about time _c_?
a we are going home b we go home c we went home d we can go home
it's about time后面加句子，要用一般过去时来体现虚拟语气。
44. lightning is a _a_ of electrical current from a cloud to the ground or from one cloud to another. [lightning n. 闪电]
a rush b rainbow c rack d ribbon
rush n. 冲撞，冲击，撞击; rainbow n. 彩虹，幻想; rack n. 支架，挂架;
ribbon n. 缎带，丝带，绒带。
46. i've already told you that i'm going to buy it, _a_.
a however much it costs b however does it costs much
c how much does it cost d no matter how it costs
however在这里不表示转折，而是句子的引导词，这种情况下它相当于：no matter how。
意思是，我已经决定要买了，不管多少钱。
47. new york _a_ second in the production of apples, producing 850,000,000 pounds this year. [rank 排名，名列第几，强调名列前茅;big apple 纽约]
a ranked b occupied c arranged d classified