皮皮学，免费搜题
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搜题
【判断题】
电极化强度就是极化电荷激发的电场强度。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列哪种情形不属于特别重大事故:( )。
A.
造成30人以上死亡
B.
造成100人以上重伤(包括急性工业中毒,下同)
C.
造成1亿元以上直接经济损失
D.
繁忙干线客运列车脱轨18辆以上并中断铁路行车24小时以上;
【单选题】听力原文：W: How long does it take you to get to work? M: It's only a fifteen minute bus drive early in the morning but coming home from work is quite different it takes at least twenty or thirty minutes. ...
A.
15 minutes.
B.
45 minutes.
C.
35 minutes.
D.
30 minutes.
【单选题】听力原文：M: How come David is always so full of energy? W: He has a strange but highly effective way of sleeping. M: What is that? W: He takes a short sleep for an hour every six hours and has a total of ...
A.
It's effective.
B.
It's strange.
C.
It's the best.
【单选题】The boy is made__ the room every day. A. clean B. cleaning C. to clean D. cleans
A.
clean
B.
cleaning
C.
to clean
D.
cleans
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