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楼主
发表于 2010-6-17 20:19:10 | 显示全部楼层 回帖奖励 |倒序浏览 |阅读模式
T-9-20:GWD-13-34:
Which of the following, if true, would most weaken the author’s conclusion in lines 25-30?
A.    New research reveals that the number of species of birds and parasites that prey on lepidoptera has dropped significantly in recent years.
B.    New experiments in which the habitats of lepidoptera are altered in previously untried ways result in the shortening of lepidoptera population cycles.
C.    Recent experiments have revealed that the nuclear polyhedrosis virus is present in a number of predators and parasites of lepidoptera.
D.    Differences among the habitats of lepidoptera species make it difficult to assess the effects of weather on lepidoptera population cycles.
E.    Viral disease is typically observed in a large proportion of the lepidoptera population.





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T-9-21:GWD-13-35:
It can be inferred from the passage that the mortality caused by agents such as predatory birds or parasites was measured in an attempt to

A.    develop an explanation for the existence of lepidoptera population cycles
B.    identify behavioral factors in lepidoptera that affect survival rates
C.    identify possible methods for controlling lepidoptera population growth
D.    provide evidence that lepidoptera populations are self-regulating
E.    determine the life stages of lepidoptera at which mortality rates are highest
--------------------------------------------------------------------
T-9-22:GWD-13-36:
The primary purpose of the passage is to

A.    describe the development of new techniques that may help to determine the driving force behind population cycles in Lepidoptera
B.    present evidence that refutes a particular theory about the driving force behind population cycles in Lepidoptera
C.    present a hypothesis about the driving force behind population cycles in Lepidoptera


D.    describe the fluctuating patterns of population cycles in Lepidoptera
E.    question the idea that a single driving force is behind population cycles in Lepidoptera

--------------------------------------------------------------------
T-9-23:GWD-13-37:
According to the passage, before the discovery of new techniques for detecting viral DNA, population ecologists believed that viral diseases
A.    were not widely prevalent among insect populations generally
B.    affected only the caterpillar life stage of lepidoptera
C.    were the driving force behind lepidoptera population cycles
D.    attacked already declining caterpillar populations
E.    infected birds and parasites that prey on various species of Lepidoptera


这个事 15.GWD- 毛毛虫的生命长度

的选项。。。求个答案 谢谢了



15.GWD- 毛毛虫的生命长度

的选项。。。求个答案 谢谢了



--------------------------------------------------------------------
T-9-21:GWD-13-35:
It can be inferred from the passage that the mortality caused by agents such as predatory birds or parasites was measured in an attempt to

A.    develop an explanation for the existence of lepidoptera population cycles
B.    identify behavioral factors in lepidoptera that affect survival rates
C.    identify possible methods for controlling lepidoptera population growth
D.    provide evidence that lepidoptera populations are self-regulating
E.    determine the life stages of lepidoptera at which mortality rates are highest
--------------------------------------------------------------------
T-9-22:GWD-13-36:
The primary purpose of the passage is to

A.    describe the development of new techniques that may help to determine the driving force behind population cycles in Lepidoptera
B.    present evidence that refutes a particular theory about the driving force behind population cycles in Lepidoptera
C.    present a hypothesis about the driving force behind population cycles in Lepidoptera


D.    describe the fluctuating patterns of population cycles in Lepidoptera
E.    question the idea that a single driving force is behind population cycles in Lepidoptera

--------------------------------------------------------------------
T-9-23:GWD-13-37:
According to the passage, before the discovery of new techniques for detecting viral DNA, population ecologists believed that viral diseases
A.    were not widely prevalent among insect populations generally
B.    affected only the caterpillar life stage of lepidoptera
C.    were the driving force behind lepidoptera population cycles
D.    attacked already declining caterpillar populations
E.    infected birds and parasites that prey on various species of Lepidoptera


这个事 15.GWD- 毛毛虫的生命长度

的选项。。。求个答案 谢谢了



15.GWD- 毛毛虫的生命长度

的选项。。。求个答案 谢谢了
收藏收藏 收藏收藏
沙发
 楼主| 发表于 2010-6-17 20:20:27 | 显示全部楼层
题目基本相同,可能有变体
T-9-20:GWD-13-34:
Which of the following, if true, would most weaken the author’s conclusion in lines 25-30?
A.    New research reveals that the number of species of birds and parasites that prey on lepidoptera has dropped significantly in recent years.
B.    New experiments in which the habitats of lepidoptera are altered in previously untried ways result in the shortening of lepidoptera population cycles.
C.    Recent experiments have revealed that the nuclear polyhedrosis virus is present in a number of predators and parasites of lepidoptera.
D.    Differences among the habitats of lepidoptera species make it difficult to assess the effects of weather on lepidoptera population cycles.
E.    Viral disease is typically observed in a large proportion of the lepidoptera population.
--------------------------------------------------------------------
T-9-21:GWD-13-35:
It can be inferred from the passage that the mortality caused by agents such as predatory birds or parasites was measured in an attempt to
       
A.    develop an explanation for the existence of lepidoptera population cycles
B.    identify behavioral factors in lepidoptera that affect survival rates
C.    identify possible methods for controlling lepidoptera population growth
D.    provide evidence that lepidoptera populations are self-regulating
E.    determine the life stages of lepidoptera at which mortality rates are highest
--------------------------------------------------------------------
T-9-22:GWD-13-36:
The primary purpose of the passage is to
       
A.    describe the development of new techniques that may help to determine the driving force behind population cycles in Lepidoptera
B.    present evidence that refutes a particular theory about the driving force behind population cycles in Lepidoptera
C.    present a hypothesis about the driving force behind population cycles in Lepidoptera


D.    describe the fluctuating patterns of population cycles in Lepidoptera
E.    question the idea that a single driving force is behind population cycles in Lepidoptera

--------------------------------------------------------------------
T-9-23:GWD-13-37:
According to the passage, before the discovery of new techniques for detecting viral DNA, population ecologists believed that viral diseases
A.    were not widely prevalent among insect populations generally
B.    affected only the caterpillar life stage of lepidoptera
C.    were the driving force behind lepidoptera population cycles
D.    attacked already declining caterpillar populations
E.    infected birds and parasites that prey on various species of Lepidoptera
板凳
 楼主| 发表于 2010-6-17 20:21:01 | 显示全部楼层
是2楼这四道  。,。。一楼不知道怎么发了那么多次
地板
 楼主| 发表于 2010-6-17 23:22:49 | 显示全部楼层
太感谢你了!
5#
 楼主| 发表于 2010-6-17 23:28:58 | 显示全部楼层
恩恩
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