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【单选题】
注射用水的pH应为
A.
5.0-7.0
B.
6.0-8.0
C.
5.0-8.0
D.
4.0-7.0
E.
8.0-9.0
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A.
正确
B.
错误
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【简答题】Complete the sentences with words or the expression from what you've learned. 1. The _________ ______, which is the largest bedroom in a house or an apartment, usually has its own bathroom. 2. We have...
【单选题】选出与本句意思一致的选项 Learning humanities was secure repetition in China, but it was shaky originality here. (Para.5)
A.
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B.
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A.
hc>hD
B.
hc
C.
hc=hD
D.
无法确定
【单选题】下列运算中属于跳转语句的是
A.
try
B.
catch
C.
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D.
break
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A.
正确
B.
错误
【单选题】三相变压器的额定电压是指()
A.
相电压
B.
线电压
C.
空载时的相电压
D.
以上都不是
【简答题】仓库安全生产中,对人力操作基本要求是人力作业仅限制在轻负荷的作业。( )
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