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【简答题】
His name slipped from my memory.
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【单选题】—________do you sleep every night? —Six to eight hours. [ ]
A.
How long
B.
How often
C.
How
D.
How many times
【单选题】—______is the Changjiang river in China, do you know? —Yes, it’s about 6,380 kilometers long.
A.
How many
B.
How wide
C.
How long
D.
How much
【单选题】在一棵平衡二叉树中,每个结点的平衡因子的取值范围是 12.在一棵平衡二叉树中,每个结点的平衡因子的取值范围是_____.
A.
-1—1
B.
-2—2
C.
1—2
D.
0—1
【简答题】VB的工程文件的扩展名为() ,标准模块文件的扩展名为() 、窗体文件的扩展名为() 。
【单选题】— What can I do for you, Ma’am? — Can you tell me _____ it will take to get to the Summer Palace?
A.
how long
B.
how soon
C.
how often
D.
how much
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