单项选择题

Which of the following is the best title of the passage

A．Sleep.
B．Good health.
C．Dreams.
D．Work and Rest.
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单项选择题
During REM, ______.
A．your eyes move quickly
B．you dream
C．you breathe slowly
D．both A and B
单项选择题
The underlined word drowsy in the last paragraph means ______.
A．sick
B．stand up
C．tired
D．a little sleepy
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