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NO.811
中等
00:00
本题平均耗时：1分32秒
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正确率：53%
Lakeshore district is to be planted with orange trees. The fruit yield of the orange trees will probably be greater if they are planted in soil that is heaped into mounds substantially higher than the surrounding ground. The fruit yield of an orange tree generally increases with the height of the tree’s branch structure, and that height is directly proportional to the depth of the tree's root structure. The roots of orange trees, however, never grow any deeper than the underlying water table. Therefore, since the water table in Lakeshore district is close to the surface, orange trees planted there would be bound to develop relatively shallow roots unless they were planted in the manner described above.
In the argument given, the two highlighted portions play which of the following roles?
The first is the main conclusion of the argument; the second is an intermediate
conclusion drawn in order to support that main conclusion.
The first is the main conclusion of the argument; the second provides evidence in support of that main conclusion.
The first is an intermediate conclusion drawn in order to support the main
conclusion stated in the argument; the second provides evidence in support of that main conclusion.
Each is an intermediate conclusion drawn in order to support the main conclusion stated in the argument.
The first introduces a practice for which the argument seeks to provide a rationale; the second is an intermediate conclusion drawn in order to support the main conclusion stated in the argument.
Select one answer choice.
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