试述社会阶层会对消费者行为产生什么影响(至少举出5个)。
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一个学年内的学费、住宿费国家助学贷款，银行应一次性发放给学生。()
Why is Jane worried about winter in the new location？
A. It is much colder there.
B. There are few activities.
C. There are no good restaurants.
D. There is no cinema or theatre.
【C9】
A. defined
B. dictated
C. limited
D. controlled
【C13】
A. certain
B. some
C. these
D. those
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