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．On
<上一题 目录 下一题>
热门 试题

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 nois
单项选择题
The Mark II will have a number of advantages over the prototype. Which of these is NOT one of them
A．It will carry more passengers.
B．It will have a wider range.
C．It can be used all through the way.
D．It will cost less to recharg
相关试题