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短文填空Whyarewealwaystired,doyouknow?Firstlyifwecan'tsleep(1),wewillbetired.Butweareoftentoo(2).Wecan't(3)ourworkinthedayandwemustdoitat(4).Wegotobed(5)

题目详情

短文填空

  Why are we always tired, do you know?Firstly if we can't sleep(1)________, we will be tired.But we are often too(2)________.We can't(3)________ our work in the day and we must do it at(4)________.We go to bed(5)________ and get up(6)________.So we can't sleep well.Most people need at least eight hours and some more.If we sleep for only five or six hours a night, we will be tired.

  Secondly, when we are ill we will be(7)________.But we don't know we are ill.So if you are always tired, perhaps you are not so(8)________.You'd better go to see a doctor.

  Thirdly, perhaps you can't eat some kinds of food like eggs, nuts, meat, chocolate or coffee.If you are ill and tired after eating some food, please don't eat it(9)________ to see if you are well.

  At last, if the air around you isn't nice and clean, you will feel tired.So please open your(10)________ often or go out for a walk and you will feel better.

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答案和解析

1.well 2.busy 3.finish 4.night 5.late 6.early 7.tired 8.healthy 9.again 10.window