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【单选题】
在等比数列{a n }中，若a 3 a 5 =4，则a 2 a 6 = （ ）.A.
-2
B.
2
C.
-4
D.
4
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举一反三
【单选题】— Can you see _________ in the tree? —No, I can see _________ . [ ]
A.
something; nothing
B.
anything; nothing
C.
nothing; anything
D.
anything; something
【简答题】The sailors can do nothing but______(抱怨食物).
【简答题】平面上带有指向的线段(有向线段)叫做()
【单选题】6) Kristin ________ her acting career with great determination.
A.
pursuing
B.
pursued
C.
chases
D.
is chasing
【简答题】句型转换。 1. Nothing can live without air. (变为同义句) Nothing can live if __________ is _________ air. 2. It's about 20 minutes' walk to the farthest restaurant. (就划线部分提问) _________ _________ is it to the fa...
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