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问题 问答题 简答题

目前棉花上的主要虫害有哪些？简述棉叶螨的防治要点。

答案

参考答案：

（1）本地主三虫：棉蚜、棉叶螨、棉铃虫。

（2）预测预报，综合防治，开春清除喷雾田缘，压低越冬基数，夏季田间点片防治，保护天敌。

填空题

When I was young, I was always frustrated ( 挫败的 ), and almost everything ended in failure. I hung out everywhere all day. Having seen me like that, my father  小题1:   to cheer me up.

One day, he gave me a cup of water and asked me to taste it. I found it   小题2:  . My father said he just put one small spoonful of salt in the cup. And then, he led 小题3:   to a lake, where he threw a big handful of salt   小题4:  the lake, scooped up a spoonful of water and let me taste it again. He asked, "Does it   小题5:  taste salty?"'  "Not at all,"  I said. My father said,  "Now you may know the root (根源) of your  小题6:  :You are just a cup of water, not a lake. Be a lake and you won't小题7:sad any more."

I came to understand my   小题8:  motive (目的): I feel unlucky  小题9:  my heart is as small as a cup of water without great ideals as a lake.

To be a lake  小题10:  great ideals, your feeling of failures and frustrations will be melted ( 融化) like the salt thrown into the lake.
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单项选择题

慢性萎缩性胃炎与慢性浅表性胃炎的主要区别是（）

A．慢性炎细胞浸润

B．腺体减少

C．中性粒细胞浸润

D．肠上皮化生

E．嗜酸性粒细胞浸润
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