第一篇
这里是2002年9月的部分语法题，但是没有答案，所以请高手来看看，并解出答案！

Many scientists believe_____as a result of a collision between the newly formed Earth and a large asteroid.
A. that the Moon was formed
B. in that the Moon was frmed
C.that the Moon formed was
D.when the Moon was fromed

The organ-pipe cactus is _____ in th United states.
A.rare that
B.it rare
C.so that rare
D.rare

Willa Cather,_____, gained recognition for her books concerning the American frontier.
A.a novelist and pulitzer pprizewinning
B.a Pulitzer prizewinning novelist
C.a Pulitzer prizewinning novelist who
D.was a PUlitzer prizewinning novelist

The average wavelength of visible light is 2,000 times _____ the diameter of an atom.
A. much as 
B. as great 
C. greater than
D. more than that

_____ ants libe in nests, which may be located in the fround, under a rock, or built above ground and may be made of twigs, sand, or gravel.
A. Most 
B. The most of 
C. Most of
D. Of the most

The banking systems of the world have many similarities, _____ they alsp differ, sometimes in quite material respects.
A. of which
B. in spite of 
C. but
D.how

第二篇 
请继续解答：

Learning that takes place in infancy provides the____ for the eventual transformation of a child into an adult.
A. foundation is necessary
B. necessary foundation is
C. necessary in the foundation 
D. foundationh necessary 

In the late 1930's adn early 1940's, Jacob Lawrence created many paintings _____ the lives of famous African American activists.
A. Portayed
B. portrayed them 
C.that they portrayed
D. that portrayed

The Centennial Exposition, _____ in Philadelphia, Pennsylvania, in 1876, celebrated the one-hundredth anniversary of th Declaration of Independence. 
A. was held 
B. to be held
C. held
D. by holding

In the dark abyss of the deep sea _____ is produced by luminescent fish.
A. because the only light
B. the only light
C. the only light that
D. is the only light

The classic American novel Moby Dick____ an account of the conflict between human beings and their fate.
A.may be regarded as 
B as may be regarded
C.regarded as may be
D.regarded may as be

In the metals industry, hydrogen is used to prevent metals from tarnishing while undergoing_____.
A. treated by heat
B. heat treatments
C. by heat treatments
D. heat-treated]

语法改错
1. The Executive Mansion, (Constructed) in the 1790's (and) now (popularly) called the White House, (is oldest) public edifice in Washington,D.C

2. (Inventor Elisha Graves Otis designed the first elevator (that it incorporated) an automatic brake, which in turn (led to) the (development) of the skyscraper.

3.(Although) the term "corrosion" applies omstly to metals and particularly to (their reaction) to oxygen, all (material) are subject to (surface deterioration.)

4.The chief (commercial source of bromine is ocean water, from (what) the element is extracted by (means of) chemical (replacement) by chlorine.

5. (Like) Jupiter (and) Earth, Saturn (is) flattened at (a) poles.

6. All (living) things are (made up of) one or more cells, and each of these cells (were) produced by an (already existing) cell.

7. (It is) believed that some dinosaurs were intelligent, (ability) to perform complex activities, and perhaps (even) capable of (social) behavior.

8. Unique (among) bivalves, scallops swim extremely (well), propelled by jets of water expelled while (snapped) the shell (shut).

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作者:moon_xiao