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【单选题】
关于保险丝(即熔丝)的正确说法是 。A.
只要在线路中安装保险丝，不论其规格如能起保险作用
B.
选择额定电流小的保险丝总是有利无弊的
C.
只要选用适当规格的保险丝，既保证电路工作又起保险作用
D.
可用同样粗细的铜丝来代替铅锑保险丝
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举一反三
【单选题】Tom Pike said that they used to think it was no easy job to image such small particles．
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】这位母亲从不在孩子们面前说中文,他们因此习惯了听她说英语。
A.
The mother never speaks Chinese in front of her children, so that they used to hear English from her.
B.
The mother never speaks English in front of her children, so that they are used to hear English from her.
C.
The mother never speaks Chinese in front of her children, so that they are used to hearing English from her.
D.
The father never speaks English in front of her children, so that they are used to hear English from her.
【简答题】实验3上机指导书.doc 实验3上机实验报告.docx data1.txt data2.txt data3.txt
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