Overheadbridgesarefoundinmanypartsofbigcities,especiall...

问题详情：

Overhead bridges are found in many parts of big cities, especially in places___46___ traffic is very heavy and crossing the road is dangerous. The purpose of these bridges___47___(be) to enable pedestrians to cross roads ___48___(safe). Overhead bridges are used in very much the ___49__way as Zebra crossings. They are more efficient although___50___(little) convenient because people have to climb up a long flight of steps. This is___51_____(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 ___52___(help) pedestrians and to keep traffic moving at the same time. For their own safety, pedestrians should be encouraged to use them instead of ___53___ (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 make ___54____ a habit to use them. This will prevent unnecessary accidents and ___55____(lose) of life.

【回答】

 46. where     47. is       48. safely    49. same    50. less   51. inconvenient

 52. to help    53. risking   54. it        55. loss

知识点：语法填空

题型：未分类