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【单选题】
能量的RNI等于A.
EAR
B.
EAR+2SD
C.
EAR-SD
D.
EAR-2SD
E.
1．2×EAR
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【简答题】十进制数[25.625] 10 的二进制数为______；
【简答题】十进制数86的8421BCD码为______，余3码为______；(11.25) 10 的二进制数为______，十六进制数为______。
【简答题】十进制数[12.75] 10 的二进制数为______；
【简答题】计算机都采用二进制或十六进制数字系统表示计算机中的数据信息。十进制的（213）10的二进制数表示为（），十六进制数表示为（）。
【单选题】What is the style of the following paragraph development? Subject A--Point 1--Point 2--Point 3 --- Subject B --- Point 1 ---Point 2---Point 3
A.
Subject-by-subject pattern
B.
Point-by-point pattern
【单选题】What is the main point the author makes about the cultivation of the students' imitation capacity?
A.
It depends on the students' own effort.
B.
It relies on the teacher's technique to present speech models.
C.
The teacher himself must be a perfect speech model.
D.
The teacher must treat it as a matter of primary importance.
【单选题】What is the 'critical point' mentioned in the last paragraph?
A.
The point at which a computer is an exact copy of a human brain.
B.
When a computer can be made as creative as we are.
C.
When one computer itself is clever enough to design a better one.
D.
When computers destroy each other in an explosion.
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