正确答案: C

根尖根毛区

题目：观察根的初生结构时，选择切片的最适部位是( )。

解析：C

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举一反三的答案和解析：

[单选题]在其分类系统中采用了超目这一分类阶元。

Takhtajan

[多选题]菊科各类花中，( )为非两性花。

假舌状花

漏斗状花

解析：CE

[单选题]BWhat is Bay? The simple answer is that it is a global trading platform. where nearly anyone can trade practically anything. People can sell and buy all kinds of products and goods. Including cars, movies and DVDs, sporting goods, travel tickets, musical instruments, clothes and shoes- the list goes on and on

a way of buying and selling goods