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【单选题】
下列昆虫不属于迁移性害虫的是()
A.
褐飞虱
B.
稻纵卷叶螟
C.
小地老虎
D.
红蜘蛛
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参考答案:
举一反三
【单选题】______ what you intended, I should not have wasted my time trying to explain matters to you.
A.
If I realized
B.
Did I realized
C.
Were I realized
D.
Had I realized
【单选题】The sailors ()are making preparations for mooring.
A.
on the bridge
B.
at the stern
C.
in the cabin
D.
in the engine room
【简答题】Could you briefly explain a pair of terms 'round characters' and 'flat characters' as E. M. For-ster presents in his book Aspects of the Novel?
【简答题】连词成句。 1. April  is  birthday  2nd  her. ___________________________ 2. is  birthday  Ellen's  when? ___________________________ 3. Jack  is  old  how? ___________________________ 4. birthday  August  ...
【单选题】---I came all the way to inform you of the time and place of the meeting. ---You could have _____ yourself the trouble.
A.
shared
B.
spared
C.
cost
D.
removed
【简答题】Who's Ellen's co-host?
【单选题】Could you please explain _____________ ?
A.
what his words mean
B.
what his words means
C.
how his words mean
D.
how his words means
【单选题】火焰的颜色取决于燃烧物质的化学成分和氧化剂的供应强度。大部分物质燃烧时火焰是橙色的,但有些物质燃烧时火焰具有特殊的颜色,如( )燃烧的火焰是蓝色的。
A.
B.
硫磺
C.
D.
【简答题】When will Ellen’s company have the goods sent?
【单选题】人胚第 3周,三胚层胚盘形成,其结构包括
A.
内胚层和外胚层
B.
上胚层和下胚层
C.
上胚层、中胚层和下胚层
D.
内胚层、中胚层和外胚层
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