你们必须集体行动.这样才不会迷路.你们不许独自离开.You have to so you don't .You mustn't 题目和参考答案——青夏教育精英家教网—

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2. 你们必须集体行动，这样才不会迷路。你们不许独自离开。

You have to so you don't .You mustn't

2. keep together;get lost;go off on your own

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Long ago,people did not need money. They lived on wild animals,fruits and other plants.

As time passed by,people learned to raise ani?mals and crops. Sometimes families produced more than they needed,so they started to trade with other families.(1) 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 B. C. ，people began using coins as money. They soon found that coins were easier to carry than goods and they lasted for 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 11 th century. The Italian traveller Marco Polo saw the Chinese using money when he visited China in the 1200s. (2) 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 pre?fer to pay for things by card. Paying with a card is easier and safer than carrying around a lot of "real" money.

(一) 根据短文内容，回答下列问题。

1. Why did people start to trade?

2. When did people begin to use paper money?

(二) 将短文中(1) 、(2) 处画线的句子译成汉语。

(三) 请给短文拟一个适当的英文标题。

A_: 1. are you going?

B_: We are going to a swimming pool.

A：Could you please let us look at your rules and 2. ？

B: Yes. Here you are.

A：You 3. go swimming immediately after lunch.

B_: Yes! A：And you mustn't go swimming 4. . You must always go with someone.

B_: That's 5. .

( ) 5. His son often goesto see him on Sunday.

A. eldest B. older

C. the eldest D. the older

1. ―Shall we go rock (climb) ？一Good idea.

( ) 2. [2014 • 广州]—Sorry,I'm late.

― tell me the bus broke down again！

A. Never to B. Not

C. Don't D. No

5. With a (突然的) noise,the earthquake happened.

( ) 10. The children hurt themselves if they walk along the edge.

A. must B. mustn't

C. should D. might

( ) 1. When he was free,he went down to the small river behind the factory and tried some fish.

A. catch B. caught

C. catches D. to catch

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