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.
<上一题 目录 下一题>
热门 试题

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.
单项选择题
A．She attended one of its meetings.B．Her roommate is a member of it.C．She saw the members protesting.D．She read about it in the newspaper.
A．She attended one of its meetings.
B．Her roommate is a member of it.
C．She saw the members protesting.
D．She read about it in the newspaper.
相关试题