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【多选题】
病虫害的化学防治应根据( )选择农药。
A.
农药产品登记的防治对象
B.
安全间隔期
C.
不同作用机理
D.
毒性高效果好
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参考答案:
举一反三
【单选题】He was born ______. [     ]
A.
in 1986, December 6
B.
in December 6, 1986
C.
on December 6, 1986
D.
on 1986, December 6
【单选题】What's the difference in the on-time rate between this December and last December?
A.
It's better than last December.
B.
It's worse than last December.
C.
It's twice as high as that one of last December.
D.
It's twice the amount of that one of last December.
【单选题】When is the deadline for registration?
A.
November 28
B.
December 10
C.
December 15
D.
December 22
【简答题】坚持统筹兼顾,要牢牢掌握统筹兼顾的科学思想方法,努力提高 、 、 能力,不断增强统筹兼顾的本领,更好地推动科学发展。
【判断题】函数在一个区间上有界,则在此区间上可积。
A.
正确
B.
错误
【单选题】He was born ______. [     ]
A.
in 1973
B.
on 1973
C.
on December 1973
D.
in 1973, December
【判断题】国债逆回购报价是按每千元资金的年收益率报价。
A.
正确
B.
错误
【简答题】A.On the morning of December the 1st. B.On the morning of December the 2nd. C.On the afternoon of December the 1st. D.On the afternoon of December the 2nd.
【单选题】How's the weather in December? [     ]
A.
It's cold and rainy in December.
B.
It's cold and snowy in December.
【多选题】7种菇的灭菌方法可以采用()
A.
涂抹
B.
浸泡
C.
灼烧
D.
紫外灯照射
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