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【判断题】
票务人员通过操作BOM机对符合条件的车票进行退票处理。A.
正确
B.
错误
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举一反三
【单选题】The cause of infantile diarrhoea is true
A.
mild diarrhea is mostly extraintestinal（肠外） infection
B.
severe diarrhea is mostly intestinal（肠内） infection
C.
the main cause of infantile diarrhoea is the infection factor
D.
Duovirus（轮状病毒）and pathogenic Escherichia coli（致病性大肠杆菌） are the most common intestinal infections.
E.
all of the above statements are true
【简答题】P1092. 输出1~n, 每行一个。 输入n,输出1~n,每行一个。 例如,输入3,则输出为: 1 2 3
【单选题】听力原文：M: Are you going to leave school at the end of the term? W: Yes, I am. M: What are you going to do? W: I'm going to be a clerk. M: What does a clerk do? W: He works in an office. He writes letter...
A.
A musician.
B.
A clerk.
C.
A vet.
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