单项选择题

To have a nap during the day ______ according to the text.

A．is important
B．does good
C．is not good
D．is necessary
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单项选择题
It is better for you to ______ in bed.
A．only sleep
B．watch TV
C．write letters
D．read
单项选择题
It is better to have ______ alcohol for a complete night sleep.
A．no
B．a lot of
C．some
D．much
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