皮皮学，免费搜题
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【判断题】
当短路电流通过电气设备时,将产生电动力效应和热效应。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列哪些是装卸危险货物时值班驾驶员的职责?
A.
止货物毀损或外泄导致污染；②备妥消防和急救设备；③通知大副或船长到现场监督指导；④配合港口当局监装并取得相应证书
B.
①~③
C.
①~④
D.
②~④
E.
①、②、④
【简答题】请仔细阅读题中的文字描述，从A-F中选出恰当的对应项。 小题1:Mr Wang is a music fan. Also, he is always willing to offer some help to others. This poster may provide him with such a good opportunity. 小题2:Jack likes sports a lot. ...
【简答题】A. 运用增词法翻译下列句子。 1. Mr.Parson coughed. 2. I watremely worried about her, but this was neither the place nor the time for a lecture or an argument. 3. It reated you as my brother, but not now. 4. I h...
【单选题】Tim _______ really looking forward to meeting you. He’s heard a lot about you!
A.
are
B.
is
C.
does
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