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    连词

    We were swimming in the lake ________ suddenly the storm started．

    答案：when
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    仔细阅读下面的短文，短文中有10个空格或画线句子。请按照每小题括号内的具体要求完成语法填空、词形变化、句子合并、句子改写以及病句改正等。

    Animals

    　　 　1　? Animals are natural resources. People have wasted these resources all through our history(合并句子).

    　　 Animals have been killed for ?　2　?(they) fur and feathers, for food, for sport, and simply because they were in the way. Thousands of kinds of animals have disappeared from the world forever. Hundreds more are ?　3　?(介词) the danger list today. About 170 kinds in the United States alone are considered in danger.

    　　Why should people care??　4　? Because we need animals and because once they are going, there will never be any more.(改正错误)

    　　 Animals are more than just beautiful and ?　5　?(interest).They are more than just a source of food. Every animal has its place in the balance of nature.?　6　?(Destroy) one kind of animal can create many problems.

    　　 For example, when farmers killed large numbers of hawks, the farmers' stores of corn and grain were destroyed by rats and mice. Why??　7　?(连词) hawks eat rats and mice. With no hawks to ?　8　?(动词短语) their numbers, the rats and mice multiplied(繁殖)quickly.

    　　 Luckily, some people are working to help save the animals. Some groups raise money to let people know about the problem. And they try to get the governments to pass laws protecting animals ?　9　?(介词短语).

    　　Quite a few countries have passed laws. These laws forbid (禁止) the killing of any animals or plants on the danger list. Slowly,?　10　?(冠词) number of some animals in danger is growing.

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    科目：高中英语 来源：同步题 题型：填空题

    用适当的介词、副词或连词完成下列句子。
    1. Add your scores ____ and we'll see who will win.
    2. He can't go with you to the cinema ____ he finishes cleaning his bicycle.
    3. How concerned her mother was ____ her study at school!
    4. ____ walking his dog in the morning, he came across an old friend of his.
    5. Annie and her family hid away for nearly twenty-five months ____ they were discovered.
    6. Annie didn't want to write down a series of facts in her diary ____ most people had done.
    7. It is along the river bank ____ he takes a walk every morning.
    8. The sick pupil who had left school long grew so crazy about everything to do ____ school life.
    9. Sorry I can't go with you. I'm suffering ____ a bad headache.
    10. Mother asked the child whether he was very hot with so many clothes____.

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