单项选择题

Man cannot prevent the world from being polluted because ______.

A．people use too many man-made materials
B．the pupulation of the world is increasing faster
C．we are producing more cars, trucks and buses
D．we have more and more industry

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热门试题

单项选择题

According to the passage, what does man care most among the following

A．Clean air.
B．Health.
C．Industry.
D．The future of the children

单项选择题

According to this passage, a student who listens attentively and takes notes in class ______.

A．is an intelligent student
B．may not be an intelligent student
C．will not be a good student
D．will score better in exams