2. 你們必須集體行動,這樣才不會迷路。你們不許獨自離開。

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

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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) 根據(jù)短文內(nèi)容,回答下列問題。

    1. Why did people start to trade?

    2. When did people begin to use paper money?

    (二) 將短文中(1) 、(2) 處畫線的句子譯成漢語。

    3.

    4.

    (三) 請給短文擬一個適當(dāng)?shù)挠⑽臉?biāo)題。

    5.

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―        tell me the bus broke down again!

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

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