9. As contrasted with the honeybee, the yellow jacket can sting repeatedly without dying and carries a potent venom that can cause intense pain.
(A) As contrasted with the honeybee
(B) In contrast to the honeybee’s
(C) Unlike the sting of the honeybee
(D) Unlike that of the honeybee（E）
(E) Unlike the honeybee
E
10. The development of a new jumbo rocket that is expected to carry the
难度比较大
(A) The development of a new jumbo rocket that is expected to carry the United States into its next phase of space exploration will be able to deliver a heavier load of instruments into orbit than the space shuttle and at a lower cost.逻辑搭配错误
(B) The development of a new jumbo rocket is expected to carry the
(C) The new development of a jumbo rocket, which is expected to carry the
(D) A newly developed jumbo rocket, which is expected to carry the
(E) A newly developed jumbo rocket, which is expected to carry the United States into its next phase of space exploration, will be able to deliver a heavier load of instruments into orbit than the space shuttle and to cost less.改变原句意思,变为rocket cost less
D
11. Once they had seen the report from the medical examiner, the investigators did not doubt whether the body recovered from the river was the man who had attempted to escape from the state prison.
(A) did not doubt whether the body recovered from the river was
(B) have no doubt whether the body recovered from the river was
(C) had not doubted that the body recovered from the river was
(D) have no doubt whether the body recovered from the river was that of（E）
(E) had no doubt that the body recovered from the river was that of
E
Doubt 否定形式,宾语从句只能用that
肯定形式,可以用that或者whether
17. Contestants in many sports prepare for competition by eating pasta as part of a carbohydrate-loading " regimen that is supposed to provide quick energy.
(A) prepare for competition by eating pasta as
(B) prepare for competition and eat pasta, which is
(C) prepare for competition by eating pasta because this is
(D) eat pasta to prepare for competing, which is
(E) eat pasta to prepare for competing as
A
This that these不能单独充当主语
Those who可以充当主语
13. His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas.
(A) in which great ice sheets had existed in now currently temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas（B）
(E) when great ice sheets existed in areas now that are temperate
B
An age in which
A time when
The way in which (in which 可以省略)
A phenomena in which
A period when
A period, during which
14. More and more in recent years, cities are stressing the arts as a means to greater economic development and investing millions of dollars in cultural activities, despite strained municipal budgets and fading federal support.
(A) to greater economic development and investing
(B) to greater development economically and investing
(C) of greater economic development and invest
(D) of greater development economically and invest（A）
(E) for greater economic development and the investment of
BA没有分析ab区别,粗心
15. Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in fulltime engineering programs in the
(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen（D）
(E) have steadily increased, while that of other students who enter the field fell
D