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【判断题】
按聚合物结构分类,缩聚反应可以分缩合反应、线型缩聚和体型缩聚。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】What does 'Dublin's new pit is 'showing promise'.' mean in Paragraph 4?
A.
The Dublin's new pit presents the sign of incompetence as predicted.
B.
The Dublin's new pit adopted open-outcry trading as promised.
C.
The Dublin's new pit subjects to pressure from self-employed traders.
D.
The Dublin's new pit starts with a promising beginning.
【单选题】What colour is your new pen? [ ]
A.
It's my new pen.
B.
It's black.
C.
He's my friend.
【简答题】设某机器共能完成78种操作，若指令字长为16位，试问单地址格式的指令其地址码可取几位?若想使指令的寻址范围扩大到216，可采用什么办法?举出三种不同的例子加以说明。
【单选题】单地址指令( )
A.
只能对单操作数进行加工处理
B.
只能对双操作数进行加工处理
C.
既能对单操作数进行加工处理，也能对双操作数进行运算
D.
无处理双操作数的功能
【简答题】单地址指令是指累加器内容和操作数地址的内容进行()的操作的指令。
【单选题】— What’s happening with the new teaching building? — ____________.
A.
It’s not an easy job.
B.
I’ve just come back.
C.
I’ve never been there before.
D.
It’s held up by the bad weather this week.
【单选题】－Hi, Paul. Long time no see. _________? －I've just bought a new car. It's great.
A.
What's new
B.
What' s wrong
C.
How are you
D.
What about you
【单选题】What's so fun about 'the new new thing'?
A.
No one is sure of the future.
B.
Anything's possible.
C.
There will be numerous internet companies.
D.
The new new thing will bring good fortune to smart people.
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