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【简答题】
热处理的目的是什么?热处理有哪些种类?常见热处理方法有那些?
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举一反三
【简答题】课本P.14. Ex. 5: yze the text and the vedio of Yanglan's speech which is printed in the appendix of speeches for appreciation and ysis at the end of the book. Evaluate the speech in light of the...
【多选题】What did Yanglan tell the audience in her speech?
A.
Girls should be beautiful and sweet
B.
Being different is good
C.
Everyone is different
D.
Being different is difficult
【判断题】PPS是指每秒脉冲数。
A.
正确
B.
错误
【判断题】“PPS sampling”指的是整群比例抽样。()
A.
正确
B.
错误
【单选题】单向一级三场编组站布置图优点包括 ( )
A.
消除里横列式布置图中牵引定数较大的到解列车整列牵出的困难
B.
站坪长度短、工程费用少、车场较少、管理方便作业灵活
C.
改编车辆和调机作业行程短,解编效率高,能力较大
D.
反向改编车流无多余折返走行
【多选题】管理评审是为了确保质量管理体系的()。
A.
适宜性
B.
充分性
C.
有效性
D.
与组织的战略方向一致
【判断题】Yanglan, in the podcast, recommended some place for the  Janpanese passenger to have Chinese “Xiao long Bao”and she even wrote down some Chinese memos for the passenger.
A.
正确
B.
错误
【单选题】The quiet girl has_____ since she  modelled  herself _______ Yanglan .
A.
come to life… on
B.
come to oneself… as
C.
come to light…like
D.
come to nothing… as
【简答题】列车折返方式包括( )和( )。
【判断题】According to the Yanglan, cabin attendants have to pay more attention to the details of their service.
A.
正确
B.
错误
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