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【简答题】

葡萄园有狗尾草,用哪些除草剂防除?

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参考答案:
参考解析:
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举一反三

【单选题】下列农药哪个是长残效除草剂()。

A.
2,4-D
B.
噻吩磺隆
C.
乙草胺
D.
氟磺胺草醚

【单选题】杂草对除草剂的多抗性产生的原因有( )

A.
不同除草剂混用
B.
长期应用单一作用机制的除草剂
C.
没有交互抗性的除草剂轮用
D.
不同作物轮作种植

【单选题】The Scottish countryside will soon be home to creatures which is strange to Britain. This spring, 17 beavers (海狸) will be released into a remote area of rivers and forests. Hunted to extinction throug...

A.
Not all the people support setting loose wild animals in Britain
B.
Some small mammals will be out of control in Britain
C.
The landowners don"t like beavers because of the possible disasters
D.
British Parliament has proposed several times to bring beavers back

【多选题】下列除草剂中,()属内吸型除草剂。

A.
2,4--D
B.
百草枯
C.
二甲砷酸
D.
环草隆
E.
亚砷酸纳