单项选择题

A．An investigation into how Americans spend their vacations.
B．An opinion poll of how people should spend their leisure time.
C．A poll of how employed Americans spend their leisure time.
D．A report on the vacation plans of college graduates in America.
<上一题 目录 下一题>
热门 试题

单项选择题
A．It conserves battery power.B．It lets your laptop rest.C．It makes your laptop easy to control.D．It replaces screen saver.
A．It conserves battery power.
B．It lets your laptop rest.
C．It makes your laptop easy to control.
D．It replaces screen saver.
单项选择题
A．A more economical diesel fuel.B．Characteristics of a new type of fuel.C．Where a new energy source is located.D．How to develop alternative energy sources.
A．A more economical diesel fuel.
B．Characteristics of a new type of fuel.
C．Where a new energy source is located.
D．How to develop alternative energy sources.
相关试题