The author listed three factors that have caused road accidents, including ________.
举一反三
- When the author talks about road accidents, he refers to ________.
- Which do you think would be the best title for the passage A: Accidents and Anxiety B: How Accidents Are Caused C: Human Factors in Accidents D: How to Prevent Accidents on Roads and in Factories
- Because of the (improve) _________ in the road conditions, there have been fewer accidents recently.
- The studies are based on（） A: the security people get on the road B: the accidents caused by drivers C: the law made for using cell phone D: the information collected from the accidents
- There ................ (has been, have been) more Americans killed in road accidents than in all the wars since 1900.