单项选择题

To survive in the intense trade competition between countries, we must______ the qualities and varieties of products we make to the world-market demand.

A.improve
B.enhance
C.guarantee
D.gear
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单项选择题
It can be inferred from the passage that in the business world______.
A.handsome men are not affected as much by their looks as attractive women are
B.physically attractive women who are in the public eye usually do quite well
C.physically attractive men and women who are in the public eye usually get along quite well
D.good looks are important for women as they are for men
单项选择题
Christmas is a Christian holy day usually celebrated on December 25th______the birth of Jesus Christ.
A.in accordance with
B.in terms of
C.in favor of
D.in honor of
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