第9题: [单项选择]According to Cindy, what is the purpose of the synthesized voice on "smart" cars7 A. To warn of dangers. B. To explain traffic regulations. C. To wake up drivers who are falling asleep. D. To give directions. 参考答案:D 答案解析:[试题分析] 明白什么使车变得“smart”。
[详细解答] Some new technology makes a car smart.这种新装置是a computerized map displ
第10题: [单项选择]()应根据社会需求确定建设规模。 A. 公共基础设施项目 B. 工业项目 C. 改扩建项目 D. 技术改造项目 参考答案:A 答案解析: