皮皮学，免费搜题
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【简答题】
Retell the main idea of the video you've watched just now. Remember: the words and questions in PPT will help you. Besides, you may begin your retelling with the sentence: Chinese cuisine is famous for its color, aroma and flavor, which are the three joint standards of evaluating a well-made dish. and you may end it with the sentence: These are the basic tastes of Chinese food. Requirement: As before, upload your recorded retelling in group task, and attach the picture involving your discussion here.
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【多选题】关于不对称短路，下述说法中正确的是（）。
A.
对称分量法仅适用于线性电力系统；
B.
任何不对称短路情况下，短路电流中都存在负序分量；
C.
相间短路情况下，短路电流中不存在零序分量；
D.
同短路电流中的非周期分量一样，不对称短路时短路电流中的负序分量和零序分量都将逐渐衰减到零。
【简答题】理想信念是人类特有的 。
【多选题】关于不对称短路,下述说法中正确的是
A.
短路点负序电压最高
B.
短路点的零序电压最高
C.
短路点正序电压最低
D.
不管电力系统中性点采用何种运行方式，发生不对称短路时都会出现负序电流
E.
不管电力系统中性点采用何种运行方式，发生接地故障时都会出现零序电流
【多选题】关于不对称短路,下述说法中正确的是( )。
A.
正确称分量法仅适用于线性电力系统
B.
任何不对称短路情况下,短路电流中都存在负序分量
C.
相间短路情况下,短路电流中不存在零序分量
D.
同短路电流中的非周期分量一样,不对称短路时短路电流中的负序分量和零序分量都将逐渐衰减到零
【简答题】L'exercisier一书中冠词部分的练习:P18 第一题、第二题、第三题、第四题;P19 第六题、第七题; P20第八题、第九题、第十题;P21 第十三题;P22 第十七题。
【简答题】听下面一段对话，回答第1至5题。 1. Where are the man and the woman talking? A. At home. B. In the shop. C. In the office. 2. Who does the man want to buy a present for? A. His friend. B. His mother. C. His father. 3...
【单选题】Why is Doree angry at the religious workers?
A.
She is enraged at having her loss taken advantage of
B.
She has received a nonreligious education from her mother
C.
She dislikes ideas being shoved at her
D.
She is not a religious believer
【简答题】练习二十一第1题.swf
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