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19．What is the assignment for next Tuesday？
A．Read the textbook．B．Listen to radio programs．C．Write a composition．

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解答 B

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科目：高中英語 來源： 題型：閱讀理解

9．Do you sleep well？If your answer is no，the following might help you．

Set a certain bedtime and rising time
A certain bedtime and rising time can help you build up your body clocks．Set a bedtime which is good and natural for you．Don't change your bedtime and rising time on weekends

Avoid exciting activities just before sleeping
Exciting activities get your thoughts running．At the same time，if you make tomorrow's plan or read an exciting story before turning off the light，it doesn't give you enough time to relax before you try to sleep．

Keep the bedroom for sleeping only
It's a bad habit for you to use your bedroom as a place to eat，watch TV，read，talk on the phone，or discuss important matters with your family members．Break that habit to get better sleep．
Don't go to bed too early
Your body usually lets you sleep only the number of hours it needs．You should decide how many hours you must sleep in order not to experience daytime sleepiness．

Take a warm shower before your bedtime
A twenty-minute warm shower at a temperature of about 45-50not only is a great relax at day's end，but also raises your body temperature by several degrees．The coming drop in temperature of your body will naturally make you feel sleepy．

21．If you want to build up your body clocks，you shouldA．
A．set a certain bedtime and rising time
B．go to bed neither too early nor too late
C．keep the bedroom for sleeping only
D．take a warm shower before sleeping
22．Why should you avoid exciting activities just before sleeping？A
A．Because they will get your thoughts running．
B．Because you have to make tomorrow's plan．
C．Because you should read an exciting story．
D．Because you will have to turn off the light．
23．Your bedroom should be kept forD only．
A．talking
B．eating
C．reading
D．sleeping
24．According to the passage，B will make you feel sleepy．
A．taking a cold shower
B．your body temperature dropping
C．your daily experience
D．raising your body temperature．

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