47. Why did Michelin first publish a guidebook in 1900? (A) To help drivers travel more easily. (B) To advertise famous restaurants. (C) To teach people how to remodel cars. (D) To become the automobile leader.

49. What does receiving a Michelin star usually mean for a restaurant? (A) It must change its menu every year. (B) It has to open new branches in other countries. (C) It becomes more famous and attracts more customers. (D) Its owner will be qualified as a Michelin inspector.