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几道语法题，请大虾指教
1 Acid rain and snow result from the chemical reactions between industrial emissions of sulfur dioxide and nitrogen oxides with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids.
（A）with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids
（B）with atmospheric water vapor producing h igh1y corrosive sulfuric and nitric acids
（C）and atmospheric water vapor which has produced highly corrosive sulfuric and nitric acids
（D）and atmospheric water vapor which have produced sulfuric and nitric acids which are highly corrosive
（E）and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids
“to produce highly corrosive sulfuric and nitric acids” 在句中起什么作用，为什么用to do 而不用doing?
2 It may someday be worthwhile to try to recover uranium from seawater, but at present this process is prohibitively expensive.
（A）It may someday be worthwhile to try to recover uranium from seawater
（B）Someday, it may be worthwhile to try and recover uranium from seawater
（C）Trying to recover uranium out of seawater may someday be worthwhile
（D）To try for the recovery of uranium out of seawater may someday be worthwhile
（E）Recovering uranium from seawater may be worthwhile to try to do someday
C错在哪里？
3 Although all the proceedings of the Communist party conference held in Moscow were not carried live, Soviet audiences have seen a great deal of coverage.
(A) all the proceedings of the Communist party conference held in Moscow were not carried live
(B) all the Communist party conference's Moscow proceedings were not carried live
(C) all the Communist party conference Moscow proceedings have not been carried alive
(D) not all the Communist party conference Moscow proceedings have been carried alive
(E) not all the proceedings of the Communist party conference held in Moscow were carried live
A 中all…were not 也可表示部分否定，为什么不对？
4 Alaska regularly deposits some of its profits from the sale of oil into a special fund, with the intention to sustain the state's economy after the exhaustion of its oil reserves.
(A) fund, with the intention to sustain the state's economy after the exhaustion of its oil reserves
(B) fund, the intention of which is to sustain the state's economy after they have exhausted their oil reserves
(C) fund intended to sustain the state's economy after oil reserves are exhausted
(D) fund intended to sustain the state's economy after exhausting its oil reserves
(E) fund that they intend to sustain the state's economy after oil reserves are exhausted
Intended是修饰fund吗？fund能intend吗？A错在哪里？
5 Since the 1930's aircraft manufacturers have tried to build airplanes with frictionless wings, shaped so smoothly and perfectly that the air passing over them would not become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so
A 错在哪里？为什么要重复wings?
6 Beatrix Potter, in her book illustrations, carefully coordinating them with her narratives, capitalized on her keen observation and love of the natural world.
(A) Beatrix Potter, in her book illustrations, carefully coordinating them with her narratives,
(B) In her book illustrations, carefully coordinating them with her narratives, Beatrix Potter
(C) In her book illustrations, which she carefully coordinated with her narratives, Beatrix Potter
(D) Carefully coordinated with her narratives, Beatrix Potter, in her book illustrations,
(E) Beatrix Potter, in her book illustrations, carefully coordinated them with her narratives and
D 为什么错？
7 The Iroquois were primarily planters, but supplementing their cultivation of maize, squash, and beans with fishing and hunting.
(A) but supplementing
(B) and had supplemented
(C) and even though they supplemented
(D) although they supplemented
(E) but with supplementing
A 错在哪里？为什么不能用but表转折？
8 Sales of United States manufactured goods to nonindustrialized countries rose to $167 billion in 1992, which is 14 percent more than the previous year and largely offsets weak demand from Europe and Japan.
(A) which is 14 percent more than the previous year
(B) which is 14 percent higher than it was the previous year
(C) 14 percent higher than the previous year's figure
(D) an amount that is 14 percent more than the previous year was
(E) an amount that is 14 percent higher than the previous year's figure
C错在什么地方？为什么这里要补出an amount？
9 Although dozens of New York's small museums are either devoted to local history or various ethnic groups, there are many one-of-a-kind museums from Manhattan to the Bronx that are open for exploration on summer weekends.
(A) Although dozens of New York's small museums are either devoted to local history or various ethnic groups, there are
(B) Although dozens of New York's small museums are devoted to local history or various ethnic groups
(C) Dozens of New York's small museums are devoted to local history or various ethnic groups, but there are
(D) Dozens of New York's small museums are devoted to local history or various ethnic groups, and there are also
(E) Devoted to local history or various ethnic groups, dozens of New York's small museums and also
B为什么不对？D中的and there are also对吗？
10 Artificial intelligence emerged during the late 1950's as an academic discipline based on the assumption that computers are able to be programmed to think like people.
(A) are able to be programmed to think like people
(B) were able to be programmed to think as people
(C) can be programmed to think as people can
(D) could be programmed to think like people
(E) are capable of being programmed to think like people do
A和D 的区别在哪里？为什么不用be able to
多谢！！！
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KEYS: 1E 2A 3E 4C 5B 6D 7D 8E 9D 10D |
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