根据题意，选择最佳答案，或者选取最合适的答案。

1. Kate is only a nodding ______, not very familiar to me.
   acquaintance partner
解析：解析试题分析：考查名词：A. acquaintance熟人，B. partner 伙伴，句意：凯特只是点头之交，和我不熟。选A。
2. Many people in that area are so poor that they can’t ______ to go to hospital.
   ．allow afford
解析：解析试题分析：句意：在这个地区的许多人是如此的贫穷以至于他们付不起去医院看病的钱。A. allow 允许；B afford付得起。
3. — Do you believe that paper is made _______ wood? —Yes, I do. And you can see that books are made________ paper.
   from; from from; of
解析：解析试题分析：句意：—你相信纸是由木头做成的吗？—是的，我相信。另外你可以看见书是由纸做成的。be made from由……制成，看不出原材料；be made of由……制成，能看出原材料。故选B。
4. I have no time to tell you the whole story_________. In short they got married at last.
   in general in detail
解析：解析试题分析：句意:我没有时间告诉你整个故事的细节。简而言之，他们最后结婚了。in general 一般来说；in detail 细节地。根据句意可知选D。
5. Half-time is a ________ period for the players _________.
   10-minute, have a rest 10-minute; to have a rest!
解析：解析试题分析: 句意：中场休息是运动员们休息10分钟的时间段。10-minute数词作定语作修饰period，to have a rest 休息，不定式作介词宾语players的宾补，故选B
6. There’ s a big difference between saying you’ll do something and ________doing it.
   fluently actually
解析：解析试题分析：考查副词。说是一回事，做是一回事。A..流利地B实际地、事实上地。
7. Tracy wanted to be _____of her parents after graduation, and tried to live alone.
   aware independent,
解析：解析：毕业之后Tracy要独立生活。
8. Of the two T-shirts, I’d choose the _________ one to save some money for a book.
   cheapest cheaper
解析：解析试题分析：句意：这两件T恤衫中，我应该选择这个更便宜的一件为了省些钱去买一本书。分析：通过of the two T-shirts，体现为两者进行比较，因此在比较中加定冠词the. 通过下文，省钱去买书，因此明确是要买一些便宜的。故选 B
9. Einstein’s Theory of Relativity was so __________that few people could understand it at that time.
   controversia abstract
解析：解析试题分析：考查形容词辨析。A有争议的；B抽象的句意：爱因斯坦的相对论是如此地抽象以至于在那时很少有人能够理解。
10. — What do you need? —I need a ______ black shoes for school.
    a pair pair of
解析：解析试题分析：句意：—你需要什么？—我需要一双上学穿的黑色鞋。A pair of一双，
11. The mother many things to get her daughter a good education.
    sacrifice store
解析：解析试题分析：句意：这位母亲牺牲了许多来让自己的女儿收到一个好的教育。purchase 购买；store储存。
12. Although Fleming discovered Penicillin, it was over a decade ______ someone else turned it into the great drug of the 20th century.
    before since
解析：解析试题分析：考查固定句式：It was/will be+一段时间+before…“要过多长时间就/才…”,句意：虽然弗莱明发现青霉素，但是10多年后其他人才把它变成20世纪伟大的药物。
13. I have a letter __________ but I’m too busy. – Why not have your son __________ it for you?
    to post; do posted; do
解析：试题分析：句意:——我有一封信要寄出去但是我太忙了。——为什么不让你的儿子为你做这件事呢？第一空是不定式作定语修饰letter. 当不定式修饰的名词刚好是不定式动作的对象时,不定式必须用主动形式,故第一空不能选posted。 第二空的考点为:have sb. do sth .意为" 让某人做某事" , 这是固定搭配, 作宾补的不定式在动词have，let ，make 等后不能带to 。 故第二空要选do。故选A
14. A new ________ bus service to Yangzhou-taizhou Airport started to operate two months ago.
    regular common
解析：试题分析：考查形容词辨析。句意：一辆新的定点扬州到泰州机场的服务班车两个月前开始运营了。regular定时/期的，有规律的（regular breathing; a regular bus service ）; common一般的，常见的（common sense, common names）。根据句意，故选A
15. Listen! The teacher ______ an English song to his students.
    sing is singing
解析：试题分析：句意：听！老师真正给学生们唱英语歌。现在进行时表示现在正在进行或发生的动作。根据Listen!可知老师正在唱歌。结合句意，故选B
16. His sister read the picture-book three times yesterday. ---_______.
    So did I so I do
解析：试题分析: 句意：---他妹妹昨天读了三次这本图画书.---我也是。此题考查倒装句,so+助动词+主语，根据句意，故选A
17. Most students supported the decision ; only a (n) ___________ of them were against it .
    amount minority
解析：试题分析：考查名词。A. amount 数量；B. minority少量、少数。多数学生支持这个决定，他们中只有少数人持反对意见。故选B
18. Many ________ are helping look for the lost boy.
    police policemen
解析：试题分析：句意：许多男警察帮助寻找丢失的男孩。police警察；policemen男警察（复数）。结合动词are可知该选B
19. I can't find any ______to show my thanks to you. —You are welcome.
    picture expressions
解析：试题分析:句意：--我找不出任何表达方式来表达我对你的感谢。--不客气。A. picture图片；B. expressions 表达方式。show something to somebody ，show somebody something，向某人出示某物。根据句意，选B
20. As we all know, smoking is harmful to health, but still so many people smoke. — Exactly! So our country is planning to start a against smoking.
    law campaign
解析：试题分析：考查名词辨析。A法律；B运动，活动，战役；句意：-众所周知，吸烟有害健康，但是依然有那么多人抽烟。-是啊！所以，我们国家计划开展一项禁烟运动。A与语境不符，故选B