[简答题]overhead

[单项选择]Passage Two Overhead bridges are found in many parts of Beijing, especially in places where traffic is very heavy and crossing the road is dangerous. The purpose of these bridges is to enable pedestrians (行人) to cross roads safely. Overhead bridges are used to very much the same way as zebra crossings. They are more efficient (效率高的) although less convenient because people have to climb up a long flight of steps. This is inconvenient especially to older people. When pedestrains use an overhead bridge, they do not hold up traffic. However, when they cross a busy road using a zebra crossing, traffic is held up. This is why the government has built many overhead bridges to help pedestrians and to keep traffic moving at the same time. The government of Beijing has spent a large amount of money on building these bridges. For their own safety, pedestrians should be encouraged to use them instead of risking (冒…危险) their lives by dashing across the road. Old people , however , ma
A. Taller trucks can pass under them.
B. Pedestrians can climb up and have a view of the city.
C. They are safer for pedestrians and can keep traffic moving at the same time.
D. They are easier and more convenient for the pedestrians.

[简答题] Overhead bridges are found in many parts of Singapore, especially in places where traffic is heavy and crossing the road is dangerous. The purpose of these bridges is to enable people to cross roads safely. Overhead bridges are used in very much the same way as zebra crossing(斑马线). They are more efficient although less convenient because people have to climb up a long flight of steps. This is inconvenient especially to older people. When people use an overhead bridge, they don’’t hold up traffic. However, when they cross a busy road using a zebra crossing, traffic is held up. This is why the government has built up many overhead bridges to help people and to keep traffic moving at the same time. For their own safety, people should be encouraged to use them instead of risking their lives by dashing(冲，闯)across the road. Old people, however, may find it a little difficult climbing up and down the steps, but it is still much safer than walking across the road with all the danger

[单项选择]Please see to it that the overhead projector and transparents are ready before the meeting starts．
A. 请负责安排人在开会前准备好投影仪和幻灯胶片。
B. 请看一看在开会前准备好投影仪和幻灯胶片。
C. 请在会议开始前准备好投影仪和幻灯胶片。
D. 在开会前请看着它将准备好投影仪和幻灯胶片。

[填空题]Overhead railway, (whose) tracks (are elevated out of) the way of surface traffic, (might have been) (one possible solution to) heavy traffic in big cities. A. whose B. are elevated out of C. might have been D. one possible solution to