试题与答案

对变压器差动保护进行相量图(六角图)分析时,变压器应()。A、空载B、停电C、带一定

题型:单项选择题

题目:

对变压器差动保护进行相量图(六角图)分析时,变压器应()。

A、空载

B、停电

C、带一定负荷

答案:

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下面是错误答案,用来干扰机器的。

参考答案:对

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Many people like to travel by plane, but I don’t like it because an airport is usually far from the city. You have to get there early and wait for hours for the plane to take off (起飞) and it is often late. You can’t open the window. You can’t choose(选择) the food. Planes are fast, but it still takes hours to get out of the airport and into the city.

I like traveling by train. I think trains are safe. The stations are usually in cities. When you can’t catch a train, you can catch another one. You can walk around in the train. You can see many interesting things on your way. I know it takes a little more time.

I also like cars. You can start your trip when you want to, and you don’t need to reach a train station or a bus stop. Also you can carry many things with you in a car. But sometimes there are too many cars on the road.

小题1:Why do many people like to travel by plane?

A.Because it is fast.

B.Because you can walk around in the plane.

C.Because it is safe.

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C.The stations are usually in cities.

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A.A bus.

B.A car.

C.A train.

D.A ship.小题4:What does the underlined word “reach ”mean?

A.get off

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D.get up小题5:What does the writer think of the plane ,the train and the car?

A.He likes to take a train because it takes a little more time.

B.He likes to take a car because he has a car.

C.He doesn’t like traveling by plane just because he couldn’t choose the food on the plane.

D.He thinks it takes a lot of time to go to and get out of the airport.

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