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【简答题】
锻炼身体和平衡饮食 2．哪个是保持健康的最佳办法 3．我的观点
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举一反三
【单选题】Some people think that when adults are talking, it is not polite of children to jump____.
A.
to
B.
in
C.
at
D.
as
【简答题】单向三级三场编组站反驼峰方向改编列车接发进路交叉疏解一般采用（）。
【单选题】Some people think that when adults are talking, it is not polite of children to jump _____.
A.
on
B.
at
C.
in
D.
out
【单选题】Some people think that when adults are talking,it is not polite of children to jump ( ).
A.
to
B.
onto
C.
in
D.
off
【单选题】Some people think that when adults are talking, it is not polite of children to jump ( ).
A.
in
B.
on
C.
by
D.
to
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