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【单选题】
无限大容量供电系统中发生两相短路时,其两相短路电流与三相短路电流的关系为()
A.
两相短路电流近似等于三相短路电流的 倍
B.
两相短路电流近似等于三相短路电流的 倍
C.
两相短路电流近似等于三相短路电流的 倍
D.
两相短路电流近似等于三相短路电流的2/3倍
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【单选题】本实验所用仪器为()型教学用非平衡电桥,()型温度传感实验装置。
A.
DHQJ-1  DHW-1
B.
DHQJ-1  DHW-2
C.
DHQJ-2  DHW-2
【简答题】Choose the appropriate sentence from the table below to complete the conversation. A. Do you have any suggestions? B. Oh, that's gonna be a bunch. C. What would you do in my situation? D. Good idea! I...
【简答题】A. Complete the dialogue between a guest (G) and a restaurant waiter (W). W: Good morning. City Wall Restaurant, Sally speaking. ? G: Yes, I’d like to book a table for five tomorrow evening. W: Certai...
【简答题】本实验所用仪器为()型教学用非平衡电桥,()型温度传感实验装置。
【简答题】Read and complete the dialogue orally in pairs choosing the right useful expressions above. (W=waiter; C=customer) W: Welcome to our restaurant, madam. ( 1)___________________________ C : No. But I’d ...
【简答题】阅读理解三 Directions : Thefollowing is a business Letter. After reading it , youshould complete the follo w inginformation by filling in the blanks marked 46 through 50 in no more than 3 wordsin the table...
【单选题】Good morning! I'm Mary Smith. Good morning,Miss ____?
A.
Mary Smith
B.
Mary
C.
Smith
D.
/
【简答题】1 Look at the picture and complete the text. On the table, each person has a k n i fe, (1) f _ _ k, and (2) s _ _ _ n, and a (3) n _ _ _ _ n for their hands and face. They each have a white (4) p ...
【简答题】Practice 2 Questions 1-4 Complete the sentences below w ith NO MORE THAN THREE WORDS for each answer. Train Information 1. Local services leave from ________________________ railway station. 2. Nation...
【多选题】Complete the passage with items from the box according to the picture . 根据图片,在空白处填上合适的选项。 Now, Let’s look at the table setting . W e need to learn how to place tableware ( 餐具) properly. The place mat ...
A.
in front of
B.
on the left
C.
in the right
D.
next to
E.
in the middle
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