题型：语法填空（语篇） 题类：常考题 难易度：困难
甘肃省兰州市第一中学2016-2017学年高二下学期英语期末考试试卷
Overhead bridges are found in many parts of big cities, especially in place traffic is very heavy and crossing the road is dangerous. The purpose of these bridges(be) to enable pedestrians to cross roads(safe). Overhead bridges are used in very much the way as Zebra crossings. They are more efficient althoughlittle) convenient because people have to climb up a long flight of steps. This is(convenient) especially to older people. When pedestrians 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(help) pedestrians and to keep traffic moving at the same time. For their own safety, pedestrians should be encouraged to use them instead of (risk) their lives by dashing 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 of moving traffic. Overhead bridges serve a very useful purpose. Pedestrians, both old and young, should makea habit to use them. This will prevent unnecessary accidents and (lose) of life.
试题篮
