赞题库-背景图
单项选择题

The word "real" in the last paragraph may most probably mean ______ .

A．serious
B．important
C．true
D．concrete
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单项选择题The kind of exams where students must select answers are ______ .

A．personal
B．objective
C．spoken
D．written

单项选择题The main idea of Paragraph Three is that ______ .

A．workers now take examinations
B．the population has grown
C．there are only written exams today
D．examinations are now written and timed