正确答案: A

外部分泌结构

题目：蜜腺属于( )。

解析：A

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举一反三的答案和解析：

[单选题]We only had ＄100 and that was _______ to buy a new computer.

nowhere near enough

[单选题]John is very——if he promises to do something he’ll do it .

reliable

[单选题]Where does the text probably come from?

A.news story.

[单选题]

readers

[单选题]裸子植物的胚乳是( )。

配子体世代，核相为n