怎么确定大豆的适宜收获期?

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问题:

怎么确定大豆的适宜收获期?

考点:农学农业实用技术农业实用技术题库
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你喜欢运动吗?好多运动是和天气有关系的,比如滑冰和游泳就要在不同的天气。读短文选择正确的答案。

     Clark and Lucy like sports very much.  In summer they swim and in winter they

skate. They are going skating this weekend but they don't know how the weather

will be. It's 7:35 now. They are watching TV. They are listening to the weather report

for the weekend:  "Friday is going to be cold and cloudy, but it isn't going to rain.

The temperature is going to be below(低于)  zero.  It's going to snow on Friday

evening. Saturday and Sunday will be cold and sunny." Now, Clark and Lucy are

very happy.  They think they will have a good time then.

1. Clark and Lucy like _____ very much.

A.listening to the weather report

B.watching TV

C.playing basketball

D.sports

2. They are going _____ this Saturday and Sunday.

A.swimming in the river

B.skating

C.have a party in the classroom

D.to skating

3. They want to know about _____ .

A.the rain

B.the food

C.the weather

D.the radio

4. It _____ this weekend.

A.will rain heavily

B.will be snowy

C.will be hot and cloudy

D.will be cold and sunny

5. The temperature is going to be _____ on Friday.

A.above zero

B.below zero

C.5°

D.7°

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碳碳双键不能自由转动,所以R—CH==CH—R′(R、R′为烃基)可有:两种空间排列形式,判断下列化合物中具有上述两种空间排列形式的是(   )

A.乙烯

B.2-戊烯

C.苯乙烯

D.2-丁烯

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下列关于期货公司董事、监事和高级管理人员的情形中,中国证监会及其派出机构可以责令改正并对其进行监管谈话、出具警示函的有()。

A.未按规定履行职责

B.未按规定参加业务培训

C.违规兼职或者未按规定报告兼职情况

D.未按规定报告近亲属在本公司从事期货交易的情况

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阀门定位器的作用主要有哪些?

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美术课程的评价建议是什么?

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