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【单选题】
在Linux系统中用来分割目录名和文件名的符号是( )。A.
-
B.
/
C.
\
D.
*
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反馈参考答案：
举一反三
【简答题】对差动保护来说,变压器两侧的差动CT均应接成星型。()
【单选题】Exercise 1 Listen to the passage and choose the right answers to the questions you hear. 1.
A.
Causes of left-handedness and right-handedness.
B.
Two scientific explanations of the cause of left-handedness.
C.
Genes for left-handedness.
D.
Mental problems of left-handed people.
【单选题】下列说法错误的是()。
A.
砌筑砂浆的技术性质包括和易性、砂浆强度、粘结力。
B.
砂浆的和易性包括流动性和保水性。
C.
砂浆的流动性用分层度表示。
D.
砂浆按其抗压强度平均值分为六个等级。
【单选题】某公司的职工在三亚旅游时，主动把吃剩的瓜子壳、果皮等收拾干净，放到垃圾箱里。他们的这种行为是( )
A.
可有可无的
B.
职业要求的
C.
多余的，因有专人打扫
D.
应该的，是自觉遵守社会公德的表现
【单选题】Exercise 1 Listen to the recording and choose the right answers to the questions you hear. 1.
A.
The similarity between eBay and Amazon.
B.
The history of the development of Amazon.com.
C.
The key to the success of Amazon.com.
D.
The competition between Amazon.com and Barnes & Noble.
【单选题】Exercise 1 Listen to the passage and choose the right answers to the questions you hear. 1.
A.
They enjoy equal pay for equal work.
B.
Most of them can be promoted to the highest rank if they choose.
C.
They seem to receive better treatment than women in most other countries.
D.
They dress conservatively at work.
【简答题】砌筑砂浆的和易性包括（ ）和（ ）。
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