单项选择题

Directions: In the following of the questions,choose the best answer from the five choicew listed. Sandrine is now 5 times as old as Nicholas, but 7 years from now, she will be 3 times as old as he will be then. How old is Sandrine now

A． 15
B． 20
C． 21
D． 25
E． 35
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单项选择题
DECORUM:
A． lucidity
B． flexibility
C． impropriety
D． duplicity
E． severity
单项选择题
To a person______natural history, his coun-try or seaside stroll is a walk t,hrough a gallery filled with wonderful works of art, nine-tenths of which have their faces turned to the wall.
A． enamored of
B． uninstructed in
C． responsive to
D． disillusioned with
E． dependent on
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