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【单选题】
塑性是指金属材料在静载荷作用于下,产生   ()而不破坏的能力。
A.
弹性变形
B.
塑性变形
C.
弹性
D.
塑性
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【简答题】Hed rather die a heroic death____________________(也不愿出卖同志).
【单选题】-Was his father very strict with him when he was at school? -Yes.He hed never praised him()he became one of the topstudents in his grade.
A.
after
B.
unless
C.
until
D.
when
【单选题】比较不同方案的风险程度应用的指标是( )。
A.
期望值
B.
平方根
C.
标准差
D.
标准离差率
【简答题】A.whose B.she C.he D.who
【单选题】No sooner did he complete the job______he found hed made a disastrous mistake.
A.
when
B.
what
C.
than
D.
that
【简答题】A.Card B.She C.He D.They
【单选题】听力原文: If your boss asks you to work in Moscow this year, hed better offer you more money to do so — or even double that depending on where you live now. Thats because Moscow has just been found to be ...
A.
Tokyo.
B.
Hong Kong.
C.
Moscow.
D.
Sydney.
【单选题】比较不同方案的风险程度应用的指标是( )。
A.
期望值
B.
标准差
C.
方差
D.
标准离差率
【单选题】I think hed like to stay at home this evening rather than_________ out.
A.
goes
B.
going
C.
gone
D.
go
【单选题】比较不同投资方案的风险程度所应用的指标是
A.
期望值
B.
平方差
C.
标准差
D.
标准离差率
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