题目4单选题
Read the passage. Then,choose the correct answers. 1. What are the five basic parts that generally constitute a railway vehicleA. Engine,wheels,body,seats,and doorsB. Body,in-vehicle facilities,bogie,coupler buffer device,and brake gearC. Car body,bogie,coupler,and brake systemD. Frame,roof,windows,doors,and bogies
题目7单选题
阅读理解题 Read the passage. Then,choose the correct answers. What are the three basic types of locomotives according to the passageA. Steam locomotives, electric locomotives, and maglev locomotivesB. Steam locomotives, diesel locomotives, and electric locomotivesC. Diesel locomotives, high-speed trains, and electric locomotivesD. Hybrid locomotives, autonomous locomotives and specialty locomotives