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1. All of the plants now farmed on a large scale were developed from plants ____wild.

A. that once grow B. once they grow C. they once grew D. once grew

2. By the time you graduate， we____in Australia fｏｒone year.

A. will be staying B. will have stayed C. would have stayed D. have stayed

3. He appreciated____the chance to deliver his thesis in the annual symposium on Comparative Literature.

A. having given B. to have been given C. to have given D. having been given

4. The government official can hardly find sufficient grounds ____his arguments in favｏｒof the revision of the tax law.

A. on which to base B. which to be based on C. to base on which D. on which to be based

5. Living in the desert involves a lot of problems， ____ water shortage is the worst.

A. not to mention B. of which C. let alone D. fｏｒwhat

6. Hydrogen is one of the most important element in the universe ____it provides the building blocks from which the other elements are produced.

A.so that B. but that C. provided that D. in that

7. Just as relaxation is an important part of our lives，____stress.

A.so is B. as it is C. ａｎｄ　so is D. the same is

8. Victｏｒtook a bus ａｎｄ　headed fｏｒhome， ____if his wife would have him back.

A. not to know B. not known C. not knowing D. not having known

9. We can make an exception ____.

A. in any case of John B. in case of John C. in case of John’s D. in the case of John

10. When the Cultural Revolution was launched in China， his father ___ college.

A. attended B. had been attending C. was attending D. has been attending

答案解析

1. A) 【句意】大规模种植的农作物都繁衍于野生植物。

【难点】that引导限制性定语从句，修饰plants.

2. B) 【句意】到你毕业的时候，我们在澳洲居住就会有一年了。

【难点】将来完成时常和by the time+句子的结构连用。

3. D) 【句意】他得到一个在比较文学年度讨论会上宣读论文的机会，他对此表示感激。

【难点】appreciate后面必须接名词或动名词，本句题意要求使用被动语态，故选D)。

4. A) 【句意】那位政府官员找不到足够的证据去说明他为什么赞成修改税法。

【难点】to base sth on sth 意为“把……建立在……的基础上”。which指代grounds.

5. B) 【句意】居住在沙漠里牵涉很多问题，其中缺水是最严重的问题。

【难点】of which 引导非限制性定语从句，which指代problems。

6. D)【句意】氢是宇宙中最重要的元素之一，因为它提供了其它元素赖以产生的建构框架。

【难点】in that相当于because，引导原因状语从句。

7. A) 【句意】正象休闲一样，紧张也是我们生活中的一个重要部分。

【难点】just as.。.，so.。.意为“如同…，也是…”。

8. C) 【句意】维格坐公共汽车回家去了，不知道他的妻子对他的归来能否接受。

【难点】not knowing为现在分词短语，作伴随状语。

9. D) 【句意】我们可以把约翰的事作为例外。

【难点】 in the case of.。.意为“在…的情况下”;in case of 意为“以防，万一”

10. C) 【句意】文化大革命在中国开始的时候，他父亲在上大学。

【难点】这是一个简单的过去进行时的练习。

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