单项选择题

What had been the main factor preventing the development of battery buses

A．Their limited range.
B．Their high cost.
C．Their heavy weight.
D．Their loud noise.
<上一题 目录 下一题>
热门 试题

单项选择题
How many of new Silent Riders were in regular service at the moment
A．None.
B．Twenty.
C．Fifty.
D．One.
单项选择题
One of the proprietors was a ______, the other a ______.
A．priest; merchant
B．professer; merchant
C．priest; doctor
D．professer; doctor
相关试题