第7题: [单项选择]当转向盘发生强烈振动时,应首先检查()。 A. 轴承工作情况 B. 动力转向液面及其混有空气情况 C. 齿条与扇齿间隙大小 D. 钢球与球槽的间隙情况 参考答案:B
第8题: [单项选择]The accident was caused by ______. A. the driver of the first car B. the driver of the second car C. the driver of the third car D. both B and C 参考答案:C 答案解析:此考题为细节题。在第3段中作者说the third one moving at a very, high speed... the third car came flying past the sec