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【单选题】
设数列 { a n } 的通项公式为 a n =2 - n,数列的第( )-6A.
4
B.
6
C.
8
D.
10
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举一反三
【单选题】＿＿it is for us to see that he does his work so well!
A.
What surprise
B.
How surprise
C.
What a surprise
D.
How a surprise
【单选题】When I have seen the film, ______ hits me how difficult it is for us to protect the Tibetan antelopes in modern society. [ ]
A.
which
B.
what
C.
it
D.
that
【单选题】我们应该从失败中吸取教训,这是很重要的。
A.
It is possible for us to learn a lesson from the failure.
B.
It is important for us to learn an experience from the future.
C.
It is important for us to learn a lesson from the failure.
D.
It is important for you to learn an experience at the future.
【单选题】The more slowly you speak, the ______ it is for us to understand.
A.
easy
B.
easier
C.
easily
D.
more easily
【简答题】It is important for us to understand the course of its d______( 发展 ).
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