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【单选题】
Jane often talks with her parents in Chinese when they ______ at home.
A.
were
B.
are
C.
was
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参考答案:
举一反三
【简答题】用万用表的欧姆档测量二极管的正反向电阻。若测得的反向电阻和正向电阻都很小,表明二极管( )
【简答题】用万用表的欧姆档测量二极管的正反向电阻。若测得的反向电阻和正向电阻都很大,表明二极管( )
【单选题】居住区的小游园中主路宽( )。
A.
3m
B.
1.5~2m
C.
4m
D.
7m
【单选题】居住区的小游园中主路宽为( )。
A.
3m
B.
1.5~2km
C.
4m
D.
7m
【简答题】Fill in the blanks with the proper form of the words and phrases given in the box. challenge explain luckily spot uniform frustrate disappear direct trust panic 1. Can you the difference between these...
【单选题】Most episodes of absent-mindedness—forgetting where you left something or wondering why you just entered a room—are caused by a simple lack of attention, says Schacter. 'You're supposed to remember so...
A.
It helps us understand our memory system better
B.
It enables us to recall something from our memory
C.
It expands our memory capacity considerably
D.
It slows down the process of losing our memory
【判断题】填料吸收塔逆流操作,当吸收剂的比用量(即液气比)增大时,则出塔吸收液体浓度下降,吸收推动力减小。( )
A.
正确
B.
错误
【判断题】当用万用表的欧姆档测量二极管的正、反向电阻时,若正、反向电阻都很大,说明二极管极间短路。
A.
正确
B.
错误
【判断题】传统特质理论认为领导者所具有的特性和品质是天生的,是由遗传决定的,现在已很少有人赞同这样的观点。 ( )
A.
正确
B.
错误
【单选题】若用万用表的欧姆档测量二极管的正向电阻,测得的阻值为最小时,试问用的是哪一档。( )
A.
R×10档
B.
R×100档
C.
R×1K档
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