单项选择题

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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单项选择题
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.
单项选择题
A．Give your credit card information over the telephone.B．Send credit card information in the web site.C．Ask about the credit card company’s online rules by telephone.D．Use MasterCard to shopping online.
A．Give your credit card information over the telephone.
B．Send credit card information in the web site.
C．Ask about the credit card company’s online rules by telephone.
D．Use MasterCard to shopping online.
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