单项选择题

A．Because it is a personal and economic problem as well as a social one.
B．Because it is a totally personal problem.
C．Because it is a huge burden on economics.
D．Because it is social problem.
<上一题 目录 下一题>
热门 试题

单项选择题
A．He has ever visited no more than two cities.B．He has made only a few business trips.C．He has never been to Shenzhen and Beijing.D．He has been to ninny small cities.
A．He has ever visited no more than two cities.
B．He has made only a few business trips.
C．He has never been to Shenzhen and Beijing.
D．He has been to ninny small cities.
单项选择题
A．He had many bad habits.B．He had false teeth that were made of wood.C．He established a dental school.D．He once hunted elephants.
A．He had many bad habits.
B．He had false teeth that were made of wood.
C．He established a dental school.
D．He once hunted elephants.
相关试题