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【单选题】
聊职实训楼消火栓系统,室内消火栓箱的栓口为A.
SN65
B.
SN50
C.
SN40
D.
SN32
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反馈参考答案：
举一反三
【单选题】The little child__ go out alone at night, so he__ walk in the dark that night.
A.
daren't; didn't dare to
B.
doesn't dare; dare not
C.
isn't dare to; dared not to
D.
doesn't dare to; dare not to
【单选题】Jack didn't see the steps in the dark, so he ________ down.
A.
fell
B.
had fallen
C.
was falling
D.
would fall
【简答题】物体的三原色是什么?2. 什么是减色混合?
【单选题】Scientists have known the reason that people grow old.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】注塑模成型各步骤需要用到的注塑参数?请连线 预塑 合模 注射 保压 冷却 开模 顶出
【单选题】____ alone in the dark room, the little boy was so frightened as to cry.
A.
Leaving
B.
Left
C.
To be left
D.
Having left
【单选题】Jack didn't see the steps in the dark, so he ______ down.
A.
fell
B.
had fallen
C.
would fall
D.
was falling
【单选题】____alone in the dark room, the little boy was so frightened as to cry.
A.
Leaving
B.
Having left
C.
To be left
D.
Left
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