正确答案: A

正确

题目：豆科植物种子，营养物质主要储藏在子叶中。( )

解析：A

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举一反三的答案和解析：

[单选题]Section ADirections: Beneath each of the following sentences there are four choices marked A, B. C and D. Choose the one answer that best completes the sentence.

among

[单选题]在其分类系统中采用了超目这一分类阶元。

Takhtajan