单项选择题

According to the passage, which of the following is NOT a characteristic of REM sleep

A．The eyes dart around.
B．It lasts 8 to 15 minutes.
C．The delta rhythm is present.
D．The sleeper dreams.
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单项选择题
Which of the following can be the best title of the passage
A．The Father of American Public Education
B．Philosophy of Educational
C．Policies of Educational Institutions
D．Horace Mann and the Massachusetts State Board of Education
单项选择题
The reforms that Horace Mann achieved were ______.
A．not very radical for the time
B．used only by the state of Massachusetts
C．enforced by the Massachusetts bar
D．later adopted as a model for the nation's educational system
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