我国土壤缺钾严重，而钾肥资源十分有限，将有限的钾肥资源发挥最

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问题多项选择题

我国土壤缺钾严重，而钾肥资源十分有限，将有限的钾肥资源发挥最大效益的措施（）

A.根据土壤特性合理施用钾肥

B.根据植物需钾特性合理施用钾肥

C.与其它肥料配合施用

D.适宜的用量及施用技术

答案

参考答案：A, B, C, D

补全对话，情景问答

补全对话。

A: Hello, Mrs.White!

B: Hello, Mrs.Wu!

A: Are you going to do some shopping?

B: Yes.What about you?

A : 1 It's said (据说) the things in the new market are nice and cheap. I want to go to there. 2

B: That's good. 3 I'm busy now.A few Chinese friends will come to see me in an hour. I'm afraid

I can't be back before they come.

A: It doesn't matter.We can go when we are free.

B: By the way, 4 I haven't been there yet.

A: It's on the other side of the river.It's a little far from here.

B: How long will it take me to get there by bike?

A: Half an hour. 5 It will take you right there.

B: Thanks a lot.See you!

A: See you!

单项选择题

( )指应急准备过程中应予改善的问题。

A．制定

B．修改

C．改善

D．评审