牛津上海版（深圳用）英语六年级上册Unit 12基础练（单选题）

试卷更新日期：2023-09-27 类型：同步测试

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一、单选题

  • 1. ____rivers, oceans, land and forest.
    A、There are B、There is C、There was

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  • 2. The rivers ____clean before, but now they _____dirty.
    A、was, is B、are, were C、were, are

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  • 3. Trees are very important to us. They can ____.
    A、cool the air B、make clean air C、give clean air

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  • 4. We should work together to keep the Earth clean and ____.
    A、dirty B、healthy C、health

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  • 5. We live ____the Earth.
    A、at B、in C、on

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  • 6. Don't use the ____bags. We should keep the city clean.
    A、plastic B、paper C、wood

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  • 7. We are going to ____the rubbish on the hill.
    A、cut down B、pick up C、throw away

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  • 8. Now the Earth _____sick.
    A、gets B、get C、getting

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  • 9. We should stop ____wild animals.
    A、killed B、killing C、kill

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  • 10. Smoke ________ cars and buses makes the air dirty.
    A、on B、in C、from

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