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【多选题】
三相对称负载作三角形连接时,有以下哪些特点()。A.
各相负载所承受的电压为对称的电源线电压
B.
各相负载所承受的电压为对称的电源相电压
C.
当负载对称时，线电流等于负载相电流的 倍
D.
当负载对称时，线电流等于负载相电流的 3 倍
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【单选题】What is true about the discount?
A.
You need a coupon to get a discount.
B.
Business people can get Business World at a reduced price.
C.
25% discount is only for someone who subscribes before January 1st.
D.
Business World gives 50% discount to the journalists.
【简答题】You should put your book ___ it used to be. A. there B,where C.what place D. all places
【判断题】If you must leave your table in the middle of your meal for some reason, you should put your napkin on the table
A.
正确
B.
错误
【判断题】When you leave the table during the meal, you should put your napkin on the left of your plate.
A.
正确
B.
错误
【简答题】初次体验雕蜡的手工技法。限于制作环境(教室),工具等的限制,主要考察大家在蜡雕工艺中锯、磨、造型等方面的操作能力。
【简答题】折价(discount)
【简答题】No matter what you do，you should put your _________into it. A．mind B．hours C．brain D．thought
【简答题】If you have a (流鼻血) ,you should put your head back.
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