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【单选题】
The objects that Pasteut removed from the air in his experiment were remarkable because they were
A.
primarily single-celled organisms
B.
no different from objects found in putrefying materials
C.
fairly rare
D.
able to live in a mixture of alcohol and ether
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【简答题】烧结普通砖的尺寸为240mm×115mm×53mm,已知其孔隙率为37%,干燥质量为2487g,浸水饱和后质量为2984g。试求该砖的体积密度、密度、吸水率。
【单选题】下述各肌,不附于肩胛骨者
A.
斜方肌
B.
胸大肌
C.
胸小肌
D.
前锯肌
E.
大圆肌
【判断题】The forged parts are stronger than cast parts of same material.
A.
正确
B.
错误
【单选题】The forged parts are than cast parts of same material.
A.
weak
B.
stronger
C.
same
D.
different
【判断题】The forged parts are not tougher than machined parts of same material.
A.
正确
B.
错误
【单选题】下述各肌,不附着于肩胛骨者是
A.
斜方肌
B.
胸大肌
C.
胸小肌
D.
前锯肌
E.
大圆肌
【单选题】下述各肌中不附于肩胛骨者( )
A.
斜方肌
B.
菱形肌
C.
背阔肌
D.
胸头肌
E.
臂头肌
【判断题】The surface finish of forged parts are better than casting.
A.
正确
B.
错误
【判断题】The dimensional control of forged parts are wore than casting.
A.
正确
B.
错误
【单选题】某只个股的β系数为- 0.8 ,则意味着 ( )
A.
个股的系统性风险是整个市场风险的0.8倍
B.
个股与整个市场的走势一致
C.
该个股的系统性风险大于整个市场的风险
D.
个股下跌1%,大盘上涨0.8%
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