单项选择题

The advantage of overhead bridges is that ______.

A．they don't hold up traffic and they are safer
B．people can have a better view of the city
C．they are more convenient to use
D．they can save a lot of time and space

<上一题目录下一题>

热门试题

单项选择题

Compared with Overhead bridges, zebra crossing is ______.

A．much safer
B．more convenient
C．more efficient
D．more popular

单项选择题

People are encouraged to use overhead bridges mainly because ______.

A．zebra crossing can be ignored
B．it is necessary to reduce traffic jam
C．they prevent accidents and loss of life
D．traffic is very heavy in large cities