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【单选题】
人眼可以分辩( )nm波长变化。A.
1~2
B.
5~6
C.
8~10
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举一反三
【单选题】---I’ve got a ticket to the opening ceremony of the World Cup in 2014. I’m leaving for Brazil in a few months. --- What a lucky guy! _______.
A.
It’s very kind of you
B.
Enjoy yourself
C.
That’s all right
D.
Glad to hear that.
【单选题】--I’m leaving for Yingjiang ,Yunnan to help the children in need. -- !
A.
That’s all right
B.
With my best wishes
C.
Thank you very much
D.
Have a good trip
【简答题】人体不能合成而需要由食物提供的脂肪酸称为( ),包括( )、( )和( )。它们是前列腺素、血栓素、白三烯等生理活性物质的前体。
【单选题】Tomorrow I’m leaving for Beijing and I’ll stay there for .
A.
sometimes
B.
some time
C.
sometime
D.
some times
【简答题】下列关于坡屋顶屋面承重结构的做法，表述不正确的是（ ）。
【单选题】— I’m leaving for Hong Kong to visit Disneyland in two days. —
A.
Well done
B.
I hope so
C.
Have a good trip
D.
Congratulations.
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