No one knows ______effects the GM material might have on the food chain.

No one knows ______effects the GM material might have on the food chain.

A.what B.which C.whose D.how

Gaohonglei1234 1年前 已收到1个回答 举报

零点亲蜜 精英

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考查宾语从句,what在宾语从句中可做主宾表和定语,这里what修饰effects,句意是:每人知道GM材料会对食物链有什么样的影响。选A。

1年前

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