赞题库-背景图
单项选择题

A．To prevent eating too much.
B．To keep away from heart disease.
C．To release pressure in time.
D．To give up smoking completely.
<上一题 目录 下一题>
热门试题

单项选择题A．A scientist will help to wire all the schools.B．It can be very expensive.C．It is not easy to do so.D．Technical problems are still not solved.

A．A scientist will help to wire all the schools.
B．It can be very expensive.
C．It is not easy to do so.
D．Technical problems are still not solved.

单项选择题A．They are never effective.B．They are simple to perform.C．They are not always very easy.D．They are usually valid.

A．They are never effective.
B．They are simple to perform.
C．They are not always very easy.
D．They are usually valid.