【简答题】---Peter was killed in a car accident! --- I talked with him yesterday morning. A What a pity! B.I beg your pardon. C. Sorry to hear that. D. Is that so?
【单选题】— Peter was killed in the earthquake! — _____ I talked with him last week. [ ]
【简答题】机械式转向系统的组成包括____、____、____。
【单选题】0带有两速调速器的柴油机,在中等转速工作时()。