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【单选题】
社会主义社会发展的根本动力是( )A.
发展
B.
改革
C.
社会主义社会的基本矛盾
D.
对外开放
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【简答题】在横线上填写ABCD序号 We all enjoy____. A play basketball B playing basketball C. to play basketball D played basketbal
【单选题】已知一棵二叉树的先序遍历结果为 ABCDEFG ,中序遍历结果为 CBAEDF ,则后序遍历结果为()。
A.
CBFEDA
B.
CBEDFA
C.
CBEFDA
D.
不确定
【简答题】Point out the problems of the following sentences, and then revise them. 1) Ron tries to call home once a week. To stay in touch with his parents. 2) Andy forgot the time he missed the final exam. 3) ...
【单选题】已知一棵二叉树的先序遍历结果为ABCDEF,中序遍历结果为CBAEDF,则后序遍历的结果是( )。
A.
CBEFDA
B.
FEDCBA
C.
CBEDFA
D.
不确定
【简答题】Point out the problems of the following sentences, and then revise them. 1) Ron tries to call home once a week. To stay in touch with his parents. 2) Andy forgot the time he missed the final exam. 3) ...
【单选题】We are not supposed ______ basketball on Sundays.
A.
to play
B.
playing
C.
with playing
D.
played
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