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【简答题】
二值逻辑中,变量的取值不表示( ),而是指 ( ) 状态 。
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反馈参考答案：
举一反三
【简答题】小题1:Trees can get light from in the daytime. A．C0 2 B．O 2 C．the sun D．the moon 小题2:Chlorophyll is in . A．sunlight B．soil C．air D．leaves 小题3:We can get more O 2 by . A．planting more trees B．cutting tr...
【单选题】Rich _____ they were in forms, the speaker’s gestures seemed unrelated to his speech.
A.
as
B.
although
C.
even if
D.
while
【单选题】Rich as they were in forms, the speaker’s _____ seemed unrelated to his speech.
A.
signs
B.
gestures
C.
symptoms
D.
symbols
【单选题】Rich as they were in forms, the speaker’ s _____ seemed unrelated to his speech.
A.
signs
B.
gesture
C.
symptoms
D.
symbols
【单选题】I can't see anything in the room. Please the light. [ ]
A.
turn off
B.
turn up
C.
turn down
D.
turn on
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