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【多选题】
Which of the following statements are the benefits of a commonly used language?A.
A bridge language makes it possible to communicate with people from different cultures.
B.
Owing to the communication in one commonly used language, traditions and customs of different cultures are transmitted.
C.
Intercultural communication activities, such as, international business, academic conferences, and political visits, etc. are helpful to spread one certain culture to other places.
D.
because of the commonly used language, many local cultures disappear.
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举一反三
【单选题】关于铁路车辆车底架的描述不正确的是：（ ）
A.
是车体的基础。
B.
承受车体和所装货物的重量，并通过上、下心盘将重量传给走行部。
C.
列车运行时，车底架中梁在纵向承受机车牵引力、制动力和各种冲击力。
D.
连接机车车辆，传递机车牵引力动力和制动力，缓和车辆之间的冲击力。