A.can keep drivers awake B.can cut road accidents in half C.will look more attractive D.will have a longer effect on drivers
单项选择题According to the author, whether we ll go to a place or not depends on ()
A.media advertising B.department store display window C.word-of-mouth advertising D.the business fame
单项选择题On roads painted with chevrons, drivers tend to feel that ()
A.they should avoid speed-related hazards B.they are driving in the wrong lane C.they should slow down their speed D.they are coming near to the speed limit