单项选择题

Student should evaluate their instructors ______.

A．by discussing opinions with classmates
B．by rating the instructor's interest in students' problem
C．by discussing opinions with instructors
D．by rating instructor's humorous remarks

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热门试题

单项选择题

The population which is top-heavy with older people poses a problem to ______.

A．the government
B．the economy
C．the workforce
D．All of the above.

单项选择题

The factor which does NOT influence the size of the workforce is ______.

A．the size of population
B．age distribution of the population
C．national economy
D．natural increase