| h schools starting as weends to catch up, making it even harder to fall asleep on Sunday night and wake up Monday morning . Playing catch-up on weekends also doesn’t help teens stay refreshed when the need it most: during the week at school。
Since the 1990s, middle and high school in more than two dozen states have experimented with later school start times. (78) The results have been encouraging: more sleep, increased attendance, better grades and fewer driving accidents. But most school still start early, meaning teens have their work cut out for them if they want to get enough sleep。
6. According to the passage, poor sleep can be linked to all of the following EXCEPT____。
A. heart disease B. car accidents
C. skin problems D. poor concentration
7. The main idea of Paragraph 3 is______。
A. how sleep deprivation(缺乏)can be treated
B. what causes sleep deprivation
C. who is most at risk for sleep deprivation
D. why sleep deprivation is a serious concern
8. What does the word “juggling” in Paragragph3 probably mean?
A. Dealing with at the same time
B. Striking a balance between
C. Weekend catch-up sleep
D. Healthy diet
9. Which of the following is NOT to balme for teenager’ lack of sleep?
A. Multitasking B. Striking a balance between
C. Weekend catch-up sleep D. Healthy diet
10. According to the passage, what have some school done to help their students get enough sleep?
A. Educating their students about the importance of sleep
B. Monitoring their students |
