1. On no account ____ ever leave the baby at home alone.

A.should you B.you should C.shall you D.you shall

2. I understand ______ preparation that staff must put in under pressure to meet the deadline.

A. more than the enormous amount of

B. better than most the enormous number of

C. better than most the enormous amount of

D. fewer than the number of

3. I’m sure your suggestion will ______ the problem.

A. contribute to solving B. be contributed to solve C. contribute to solve D. be contributed to solving

4. In 1840, both Lucretian Mott and Elizabeth Cady Stanton resented ______ proper seating at the World’s Antislavery convention in London because of their sex.

A. refusing B. to be refused

C. being refused D. having refused

5. Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.

A. being combined B. having combined

C. to combine D. combined

6. America will never again have as a nation the spirit of adventure as it ______ before the West was settled.

A. could B. did C. would D. was

7. Physics is the presentday equivalent of ____ used to be called natural philosophy, from ____ most of presentday science arose.

A. which, what B. that, which

C. what, which D. what, that

8. Evidence came up ______ specific sounds are recognized by babies as young as six months old.

A. what B. that C. which D. whose

9. ____the center of our planetary system was considered as heresy by the church in the Middle Ages.

A. It is the sun and not the earth

B. That the sun and not the earth

C. Being the sun and not the earth

D. The sun and not the earth

10. The reason that his property was confiscated by the country, it ____, was that he was involved in a lot of fraudulent activities during the war.

A. was turned out B. was being turned out

C. being turned out D. turned out

答案与解析：

1. A

你决不应该把小孩一个人放在家里。on no account 意为“决不”属否定意义的词，引导倒装句，所以只有A)项正确。

2.C

我比多数人更能理解员工们在最后期限的压力下所做的大量准备工作。understand better than...意为“对…非常理解”。preparation是不可数名词，须用amount修饰，故选C)。

3.A

我相信你的建议将有助于问题的解决。contribute to意为“有助于，促成”，to是介词，所以后面应接名词或动名词，故选A)。

4.C

1840年，露克里蒂安·莫特和伊丽莎白·凯蒂·斯坦顿因为他们的性别而没有得到伦敦世界废奴大会的席位，他们对此表示愤慨。resent后接名词或动名词作宾语，根据句意的要求，应使用动名词的被动语态形式，故选C)。

5. A

由于铝总是和其它元素结合在一起，最常见的是和氧气在一起，所以自然界中哪里也不会找到单独的铝元素。owing to 是介词，后应接名词或动名词，根据题意，应接被动语态形式。

6.B)

作为一个国家来说，美国将不再具有开拓西部前所具有的那种冒险精神。从意义来看，空格应填had,但主句中have是实义动词，为避免重复，可用助动词do替代，即用did替代had,故B)为答案。

7. C)

当今的物理就是以前被称之为自然哲学的等同物，大多数现代科学都产生于自然哲学。what used to be called作定语，修饰natural philosophy,from which引导一个非限制性定语从句。

8.B)

有证据表明，小至六个月的婴儿就能识别具体的声音。evidence后面的同位语从句被全句的谓语动词came up隔开，同位语从句须由that引导，所以B)项正确。

9. B)

太阳系的中心是太阳而不是地球这一事实被中世纪的教会认为是异端邪说。That引导主语从句，全句的谓语是was considered.

10. D)

后来证明他的财产被国家没收的原因是，战争期间他参与了诈骗活动。it turned out (to be)这里作插入语，意为“证明是…”。