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【简答题】
钢包耐材损坏原因主要有（）、物理作用、人为原因。
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举一反三
【单选题】What kind of final exam does this course have?
A.
There is no final exam.
B.
Online exam
C.
Open-book paper exam
D.
Closed-book paper exam
【简答题】何谓工业纯铁?何谓钢?何谓白口铁?它们的成分组织有何差别?
【简答题】传统的制氢方法主要有哪些？
【单选题】what does the man mean?
A.
Outdoor activities are boring.
B.
Outdoor activities are tiring.
C.
Outdoor activities are funny.
D.
He doesn’t like outdoor activities.
【简答题】What does the man think of the exam?
【简答题】检修故障时一般遵循如下原则:询问用户→( )→分析判断→( )→落实故障点→( )→检验性能→记录总结
【单选题】What does the man mean?
A.
He has given up the idea of buying a new suit at present.
B.
He has lost his money on stocks.
C.
He can’t care less for a new suit.
D.
He has no plans to buy a suit now.
【单选题】What does the man promise to do ?
A.
to visit her
B.
to meet her husband
C.
to call her back
D.
to have dinner with her
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