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单项选择题

The author is______.

A.joking
B.satirical
C.serious
D.critical
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单项选择题It can be concluded from the passage that______.

A.men should walk on the inside of a sidewalk
B.women are becoming more capable than before
C.in women's liberation men are also liberated
D.it's safe to break rules of social behaviour

单项选择题With a view to correcting the mistakes of our forefathers, the author suggests that______.

A.we plant more trees
B.we be taught environmental science, as well as the science of plants
C.environmental education be directed toward everyone
D.we return to nature