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【简答题】

苗期瓜类枯萎病以()传播

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题目标签:传播枯萎病苗期
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参考解析:
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举一反三

【单选题】番茄育苗时,分苗期应在()。

A.
花芽分化前
B.
五片真叶时
C.
现薯时
D.
籽苗期

【单选题】播种苗幼苗期的生长特点是()。

A.
开始自行制造营养物质
B.
尚未长出侧根和真叶
C.
是苗木生长最快的时期
D.
营养物质转为贮藏状态

【单选题】下列不属于广告传播的是

A.
消费者之间的口头推荐
B.
灯箱广告
C.
直邮广告
D.
网络广告

【单选题】An elm in our backyard(7)the blight (枯萎病) this summer and dropped stone dead, leafless, almost overnight. One weekend(8)was a normal-looking elm, maybe a little bare in spots but(9)alarming, and the n...

A.
There are so many new books about dying that there are now special shelves set aside for them in bookshops, along with the health-diet and home-repair paperbacks. Some of them are so(1) with detailed information and step-by-step instructions for performing the function, that you’d think this was a new sort of(2)which all of us are now required to learn. The strongest impression the casual reader gets is that proper dying has become an extraordinary,(3)an exotic experience, something only the specially trained can do.
B.
(4), you could be led to believe that we are the only(5)capable of being aware of death, and that when the rest of nature is experiencing the life cycle and dying, one generation after(6), it is a different kind of process, done automatically and trivially, or more "natural", as we say.