单项选择题

A．A great number of respondents.
B．Representative sample people.
C．Meaningful questions.
D．Detailed information.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Most of them came from northern Europe.B．Most of them had their dreams come true.C．Most of them had a very difficult life.D．Most of them lived in the Northern port cities.
A．Most of them came from northern Europe.
B．Most of them had their dreams come true.
C．Most of them had a very difficult life.
D．Most of them lived in the Northern port cities.
单项选择题
A．To prevent disasters.B．To mobilize urgent aids.C．To predict earthquakes.D．To explore vulnerable areas.
A．To prevent disasters.
B．To mobilize urgent aids.
C．To predict earthquakes.
D．To explore vulnerable areas.
相关试题