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题库 / GMATAdvanced-SC-6
Indoor air pollution can threaten the health of closely confined farm animals and the workers who tend them and perhaps as well impairs the quality of such farm products like eggs, poultry, and pork.
perhaps as well impairs the quality of such farm products like
perhaps as well impairs the quality of such farm products as
perhaps also impairs the quality of such farm products like
may also impair the quality of such farm products like
may also impair the quality of such farm products as
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有and表明有平行结构，may和can一样是情态动词而perhaps只是副词
like只用于 像不用于列举所以 ABD排除 然后第一个里面是can threaten 所以后面的impair也要用原形
such as作举例时，可以分开用，比如I have such reference books as dictionaries and handbooks
indoor air pollution can...and may，注意未划线部分需要举例，用such as 而非like
can 和 may 平行
like 不能列举 排除ACD
as well 通常放在句尾
such as
like GMAT 用于逻辑主语 不用于列举
对 such......as 不敏感 选了D
as well 通常放在一个句子末尾
pay close attention we have "and", which triggers parallelism. In the 1st noun underlined Part we have Can threaten so we need a parallel verb to that, based on that Option A,B,C gets eliminated
such like 表达错误，排除ACD，B里面的perhaps很诡异，as well用法也不对，排除B，选择E, E里面的may简直完美对应Can
ACD such like，错误
B：平行角度来说air pollution can threathen...,but also (can) impatr,两个并列的句子应该都是用表示可能的句意。
as well应该放句尾，错误
In the sentence as written, the phrase as well is used incorrectly as a substitute for also. Furthermore, the incorrect construction such . . . like is used rather than such . . . as.
like只用于 像不用于列举所以 ABD排除 然后第一个里面是can threaten 所以后面的impair也要用原形
as well 通常放在一个句子末尾，A、B排除，such ... as 为固定搭配，故C、D排除。
pay close attention we have "and", which triggers parallelism. In the 1st noun underlined Part we have Can threaten so we need a parallel verb to that, based on that Option A,B,C gets eliminated