According to this passage, a diet high in plant-based foods plays an important role in fighting all kinds of diseases. Investig

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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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According to this passage, a diet high in plant-based foods plays an important role in fighting all kinds of diseases. Investig

大学英语六级

TheBeijingPeaceInternationalHotelWeoffertravelersawealthoffeaturesthatpromptreturnvisit.EASYACC

Indiaistheworld’sbiggestgoldconsumer,butthecountry’spassionfortheyellowmetaliswaning(逐渐减弱).Recordhighpricesa

Indiaistheworld’sbiggestgoldconsumer,butthecountry’spassionfortheyellowmetaliswaning(逐渐减弱).Recordhighpricesa

Sheistheonlyoneofthosegirlswho______willingtodothatvoluntaryjob.

You’dthinkPaulineHordwouldhaveservedhertimebynow.Afterall,sherecentlycelebratedher90thbirthday,andbythetim

Accordingtotheregulation,inspections______toensurethatthesystemsareingoodcondition.

Youareallowedonecarry-onitemandonepersonalitemonmostflights,andtheyarebothsubjecttosizerestrictions.

Inthemeetingheldlastnightthevicepresidentrefusedtomakeanycommentonthematterbeforemakingdueinvestigation．

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