正确答案: A

正确

题目：魔芋属天南星科，块茎入药和食用及做工业原料。( )

解析：A

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举一反三的答案和解析：

[单选题]

when

[单选题]---- We’re organizing a party next Saturday, and I’d like you to come.---- _______! I have another one that day. Thank you just the same.

What a pity

[单选题]

proud.

[单选题]从A、B、C、D四个选项中，选出可以入空白处的最佳选项6. It is often that human beings are naturally equipped to speak.

said

[单选题]水霉无性生殖产生的无性孢子是( )。

游动孢子

[单选题]40_______

managed

[单选题]Why did American city residents want to live in the suburbs after World War Ⅱ?

Because they were richer and needed more space.

[单选题]种子中最主要的部分是( )。

胚