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【简答题】
流量控制实际上是限制________方的数据流量。
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【简答题】按照流的处理数据的基本单位, I/O 流包括输入 和字符流。
【简答题】按照流的处理数据的基本单位,I/O流包括 和字符流。
【单选题】Even though it is at least 20 years _____ we got to know, I can’t forget the scene_____ we were introduced to each other.
A.
that , where
B.
when, in which
C.
since , when
D.
since, where
【单选题】N 位定点整数补码表示的绝对值最大值是 ___________ 。
A.
2 N -9
B.
888888
C.
888
D.
99
【单选题】—Don’t forget to tell me your _____ number, and then we can chat on the Internet. —OK, I won’t. [     ]
A.
B.
【单选题】N位定点整数补码表示的绝对值最大值是( )
A.
-2 N
B.
2 N -1
C.
-2 N-1
D.
2 N-1 -1
【简答题】按照流的处理数据的基本单位, I/O 流包括输入 和字符流。(填三个汉字)
【单选题】在光和热的影响下,利舍平的何处发生差向异构化,生成无效的差向异构体
A.
17 α - 甲氧基
B.
3 α -H
C.
3 β -H
D.
20 α -H
【单选题】-Shall we go Dutch this dinner? -Forget it.__________today. [     ]
A.
It's OK
B.
This is my treat
C.
I can't agree more
D.
No problem
【单选题】— Let's play table tennis after work, shall we? — ________ I can't wait to do that. [     ]
A.
Forget it!
B.
Think nothing of it!
C.
Why not?
D.
Not at all.
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