CRH380A统型动车组采用何种受电弓?

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问题:

CRH380A统型动车组采用何种受电弓?

考点:动车组机械师考试动车组(地勤)机械师动车组(地勤)机械师题库
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In modern society, people use money every day. It seems that it is very important in our life. That’s because without money you can’t buy any goods(商品) you want. But I think few people know the history of money.

Long ago, people did not need money. They lived on wild animals, fruits and other plants. As time passed, people learned to raise animals and crops. Sometimes, families produced more than they needed, so they started to trade with other families. Later, people began to use money as a means of exchange. However, it was not the kind of money we use today. They used shells, rice, salt, large stones, etc.

During the 600s BC, people began using coins as money. They soon found that coins were easier to carry than goods and lasted a long time. Later, countries began to make their own coins.

The Chinese were the first to use paper money, probably as early as the 11th century. The Italian traveler Marco Polo saw the Chinese using money when he visited China in the 1200s. However, European countries did not start using paper money until 1600s.

Today, we have many ways to pay for things. We do not use coins or paper money. Often, people prefer to pay for things by card. Paying with a card is easier and safer than carrying around a lot of “real” money.

小题1:  People used ________ as a means of exchange before the 7th century BC.

A. paper money       B. card          

C. large stone         D. coins

小题2:From the passage, we know that European countries used paper money in the ________.

A.11th century

B.12th century

C.16th century

D.17th century小题3:Which of the following is TRUE in this article?

A.Marco Polo was from Canada.

B.Chinese used paper money earlier than Italy.

C.Today people often prefer to pay for things by salt.

D.Carrying around much “real” money is easier and safer than Paying with a card.

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用方框中所给单词的适当形式填空.
pro, con. energy, gallery, go, photograph
1.  There are two art _____ in Beijing.  There are many well-known paintings in oils in it.
2.  Li Ming's classmate suggested _____  to a movie on Sunday.
3.  Amy Kim is a world-class _____ today.  Her _____ is very good.  Some of her most famous _____ 
     are on display at the Lido Gallery.
4.  Some students in this class are _____. They like taking part in the school activities.
5.  Plcase tell me your _____ and _____ about Yellow River Fisherman.
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