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A．Most Americans’ sleeping quality is not as bad as it used to be.
B．Americans do not want to give up any more sleep.
C．Americans guarantee to change the sleeping habits.
D．Americans want to know how bad it is to their health.
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A．Teachers should occasionally make home visits to Parents.B．Too many children are lazy.C．School principals should do more than their share in interpreting the curriculum to the parents.D．Only a small part of the school day should be set apart for drilling in arithmetic.
A．Teachers should occasionally make home visits to Parents.
B．Too many children are lazy.
C．School principals should do more than their share in interpreting the curriculum to the parents.
D．Only a small part of the school day should be set apart for drilling in arithmetic.
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