N、P、B、Mg等元素对油菜的生长具有（）。A.同等重要性 B.有主_爱下问搜题

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问题单项选择题

N、P、B、Mg等元素对油菜的生长具有（）。

A.同等重要性

B.有主次之分

C.直接作用与间接作用之分

D.可替代性

答案

参考答案：A

补全对话，情景问答

根据对话内容，从方框中选择恰当的句子完成对话。

A. Please give it back soon.
B. It's over there.
C. Certainly. When do you want it?
D. Thank you very much.
E. Black and red, and it's not very new.

A: Excuse me, Lin Tao!
B: Yes?
A: My bike is broken. Can I borrow yours?
B: 1.           .
A: This afternoon.
B: OK. Here's the key.
A: 2.           . But where is it?
B: 3.           .
A: What colour is it?
B: 4.           .
A: I see. I think I can find it.
B: 5.           .
A: All right. See you!

填空题

原冻结账户进行续冻操作时录入的冻结日期为（）日期。