A new study on students' sleeping habits says that more than 70% of students do not get enough sleep．
Researchers found that primary school students get 9 hours and 10 minutes of sleep a night；junior high students get 8 hours and 6 minutes；and senior high school students get 7 hours and 9 minutes．None of those sleeping periods are enough for each group．Insufficient sleep can cause all kinds of problems in children and teenagers．
In 2009，Shanghai Municipal Education Commission asked primary and middle schools in the city to adjust their schedules so that students could get more sleep．Two years later，a study found that students at schools that adjusted their schedules got more sleep than in 2009．
The researchers of the study hope education departments will take measures to make students have enough sleep．Students in other places may be getting even less sleep than those in Shanghai．
（1）How long do the primary school students sleep a night according to the study？ AA
A．9 hours and 10 minutes．
B．8 hours and 6 minutes．
C．7 hours and 9 minutes．
D．8 hours and 10 minutes．
（2）How long do junior high students sleep more than senior high school students？
CC
A．An hour and four minutes．
B．Two hours and one minute．
C．Fifty seven minutes．
D．An hour and three minutes．
（3）What does the underlined word"insufficient"mean？ DD
A．表面的
B．足夠的
C．緊張的
D．不足的
（4）Why did the schools in Shanghai adjust their schedules in 2009？ CC
A．To make the students go to bed early．
B．To make the students get up early．
C．To make the students get more sleep．
D．To make the students study better．
（5）Which of the following is NOT true according to the passage？ BB
A．More than 70% of students do not get enough sleep in China．
B．Senior high school students get enough sleep every night．
C．Insufficient sleep is bad for children and teenagers．
D．Students in other places may sleep less than those in Shanghai．
【答案】A；C；D；C；B
【解答】
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發(fā)布：2024/12/15 22:0:2組卷：401引用：4難度：0.3
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（1）What does " fair weather friend " in paragraph 1 mean？.
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D．the importance of having a friend發(fā)布：2024/12/21 22:30:4組卷：5引用：3難度：0.7 -
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7：30 a.m：Meet at the Community Center for breakfast.
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To know more information，please call 718-384-782.We are looking forward to your joining.
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D．tell people how to be a volunteer發(fā)布：2024/12/18 16:0:1組卷：226引用：2難度：0.6 -
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D．a(chǎn)t home發(fā)布：2024/12/20 20:0:2組卷：434引用：8難度：0.5
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