考博考试

【单选题】The main idea, of this passage is ______.
A．traffic accidents are mainly caused by motorists
B．thousands of people the world over are killed each year
C．the laws of some countries about driving are too lax
D．only stricter traffic laws, can prevent accidents
网考网参考答案：D
网考网解析：
答案A、B和C都只是文中提到的单个事实，均不能作为短文的中心意思。 查看试题解析出处>>