单项选择题

A．What chemicals tears are composed of.
B．Whether crying really helps us feel better.
C．Why some people tend to cry more often than others.
D．How tears help people cope with emotional problems.
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单项选择题
A．The friend was very hungry.B．There were eggs and chicken in the refrigerator.C．He would come late.D．The friend was good at cooking.
A．The friend was very hungry.
B．There were eggs and chicken in the refrigerator.
C．He would come late.
D．The friend was good at cooking.
单项选择题
A．The woman is an exceptional student in his class.B．The student will probably not be able to complete the course.C．The student’s request will be granted.D．Circumstances will not permit the woman to take the make-up exam.
A．The woman is an exceptional student in his class.
B．The student will probably not be able to complete the course.
C．The student’s request will be granted.
D．Circumstances will not permit the woman to take the make-up exam.
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