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【判断题】
负荷开关可切断正常负荷电流和过负荷电流。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】When you want to talk with a foreigner, you had better begin it wih .
A.
his name, age
B.
his going
C.
salary
D.
current evernts
【简答题】计算机硬件的主要技术指标是____、____和运算速度。
【单选题】The teacher had a talk with you,_____?
A.
has you
B.
hadn't she
C.
did she
D.
didn't she
【简答题】挖坑灌砂法中标定量砂松方密度,测定锥体砂质量时,向灌砂筒内装砂至距筒顶的距离 mm左右为止。
【简答题】You had a talk with John just now, ________?
【单选题】The teacher had a talk with you, _____?
A.
has you
B.
hasn't she
C.
did she
D.
didn't she
【单选题】计算机硬件有诸多技术指标，以下 Ⅰ．字长 Ⅱ．运算速度 Ⅲ．存储容量 Ⅳ．CPU主频 各项指标中( )是计算机硬件的主要技术指标。
A.
Ⅰ和Ⅱ
B.
Ⅱ和Ⅲ
C.
Ⅰ、Ⅱ和Ⅲ
D.
Ⅰ、Ⅱ、Ⅲ和Ⅳ
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