多项选择题

绿色汽车需要节约资源，主要途径有（）。‏

A．减少产品所用的资源
B．循环利用资源
C．减少汽车装载质量
D．提高汽车利用率

你可能感兴趣的试题

多项选择题

What are the excellent behaviors of Edmond when receiving the phone call?
A、He made a pleasant transition for his daddy.
B、He made a telephone message for his daddy.
C、He thought of what to say in advance.
D、He was smiling all the time.

单项选择题

恒转矩型生产机械的负载特性是 ( )

A．转速是恒定的
B．功率是恒定的
C．转矩是恒定的
D．方向是恒定的