50410 Q1:( ) A. The time is too short. B. The weather is too bad. C. There is not airport. D. The first man doesn't pay for the spare parts in time. Q2:( ) A. Kobe. B. Dalian. C. Sydney. D. Singapore. Q3:( ) A. The first speaker. B. The second speaker. C. The airline company. D. Not mention. Q4:( ) A. Oil packing. B. Water packing. C. Stuffing housing. D. Bearing housing.