单项选择题

A．Waxes.
B．Thicker oil.
C．Colors.
D．Thinner oil.
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单项选择题
A．It has many big and beautiful parks.B．It possesses many historical sites.C．It is a city of contrasts.D．It is an important industrial center.
A．It has many big and beautiful parks.
B．It possesses many historical sites.
C．It is a city of contrasts.
D．It is an important industrial center.
单项选择题
Planned Grandparenthood would include depressed grandparents on its staff in order to________.
A．show them the joys of life grandparents may have in raising grandchildren
B．draw attention to the troubles and difficulties grandchildren may cause
C．share their experience in raising grandchildren in a more scientific way
D．help raise funds to cover the high expense of education for grandchildren
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