题目内容

间接水锤是水电站中经常发生的水锤现象。

A. 对
B. 错

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Direction: Please fill in the following blanks according to the above video you have finished watching.China is one of the largest countries in the world, and both fast1of land, a large population and a long history. China has a wide2of languages, customs and cultures, and there are often different customs3in northern and southern regions. Most of China's customs4around agriculture, while other festivals5the legends of well known people. Now for example, the dragon Boat Festival6 China's Chuyang, a great patriotic poet who lived in the Zhanguo dynasty around 2300 years ago. People in the South celebrate this legend by making Zongzi wearing pomegranate and7dragon boat races. Some customs practiced by8groups such as wrestling and horse racing in a Mongolia 9local holidays. There are some customs that are the same throughout China, such as eating dumplings, 10fireworks and wishing each other a happy new year during the spring festival.

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19%被调查的对象说他们还没决定投谁的票。