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【单选题】
药物;2应激、酒精;3疲劳、情绪A.
①②
B.
②③
C.
①②③
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反馈参考答案：
举一反三
【单选题】The website of China Railway Customer Service Center only has version.
A.
Chinese
B.
Spanish
C.
English
D.
Japanese
【简答题】CRH (China Railway High-speed)
【判断题】China railway is developing very quickly to meet the demand of its economic development.
A.
正确
B.
错误
【单选题】China Railway Express, or briefly called as ______ , is the China-Europe fast-track cargo railway.
A.
CR Express
B.
CRE
C.
C Express
D.
R Express
【单选题】Lost China rail tickets do not mean lost seats. Passengers who lost their tickets can reclaim the seat/sleeper at the railway station or onboard. The service fee by China Railway Corporation is CNY（ ...
A.
2
B.
3
C.
5
D.
0
【单选题】The China Railway Tunnel Group has spent three years ____ that tunnel in Uzbekistan
A.
to build
B.
built
C.
building
D.
build
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