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【判断题】
区段站主要是办理无改编中转列车的作业,仅对区段内零星车流起到组织作用,解体和编组的列车数量少,而且大多是区段列车或摘挂列车。A.
正确
B.
错误
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【单选题】听力原文：W: Hello, I'm Jenny Johnson. How are you this morning? M: Hello! Doctor Johnson. I can't say I'm feeling well. I have a pain and swelling in my knee. W: What kind of pain is it? M: It is a dull a...
A.
His knee, and fingers ache.
B.
His wrist and toes ache.
C.
He can't sleep very well.
D.
His blood pressure is high.
【简答题】A:Hello! I’m Robert Kennedy. _______________name?
【简答题】电除尘器的优、缺点是什么？
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