Question

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．

Answer 1

答案：
解析：

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