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【单选题】
下列关于家长的以身作则就是教育目的理解正确的是（ ）A.
家长的以身作则，影响着孩子的进步和发展
B.
家长的以身作则，对自我提高没有什么影响
C.
家长的以身作则就是平常的行为“注意一点”就行了
D.
家长的以身作则可以像“演员”一样表演给孩子看
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皮皮学刷刷变学霸
举一反三
【简答题】采集病料时,同一块组织中应包括________和________。
【简答题】阐述明装配电箱的施工程序并提出安装时应注意的问题 。
【单选题】If all other conditions such as bore , stroke speed , and mean effective pressures are equal , a two – stroke /cycle diesel engine will develop approximately---
A.
the same indicated horsepower as a four-stroke/cycle engine
B.
twice the indicated horsepower as a four-stroke/ engine
C.
one half the indicated horsepower as a four-stroke/cycle engine
D.
one power stoke for every two crankshaft revolution
【单选题】What do you imagine to her after this event?
A.
happen
B.
happened
C.
happens
D.
to happen
【单选题】If all other conditions such as bore, stroke, speed, and mean effective pressures are equal, a two-stroke/cycle diesel engine will develop approximately（）
A.
the same indicated horsepower as a four-stroke/cycle engine
B.
twice the indicated horsepower as a four-stroke/cycle engine
C.
one half indicated horsepower as a four-stroke/cycle engine
D.
one power stroke for every two crankshaft revolutions
【简答题】如果电容的单位为法拉，电压的单位为（），则电场能量的单位为（）。
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