| 听短文，根据短文内容选择正确答案。 |
| 1.The middle school students in Beijing are getting _____ sleeping time now. |
|
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| A.longer B.shorter C.right |
| 2._____ give the students too much homework. |
|
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| A.The teachers B.The parents C. A and B |
| 3.Some students _____ how to save time. |
|
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| A.know B.don't know C.know a little |
| 4.The students _____ enough while doing their homework. |
|
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| A.are careful B.aren't careful C.aren't carefully |
| 5.The students should have _____ hours sleep every night at least. |
|
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| A.8 B.9 C.10 |