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According to this passage, a diet high in plant-based foods plays an important role in fighting all kinds of diseases. Investig
According to this passage, a diet high in plant-based foods plays an important role in fighting all kinds of diseases. Investig
admin
2009-04-23
31
问题
According to this passage, a diet high in plant-based foods plays an important role in fighting all kinds of diseases.
Investigators don’t ______ how many phytochemicals exist and how they work.
选项
答案
know much about
解析
在本文的第一大部分(Cancer Fighters)的第八段中就提到:Investigators have only an inkling of how many phytochemicals exist and how they work。句中的“have only an inkling of”即指"don’t know much"。
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大学英语六级
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