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【单选题】
Part of the difficulty of translating Nixon into fictional flesh and blood is his insubstantiality . He seems to be all smoke and mirrors and never more untrustworthy than in his heartfelt expostulations.
A.
advantage
B.
intangibility
C.
capability
D.
strength
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【简答题】设集合 ,集合 ,则 等于 A. B . C. .              D.
【单选题】直齿圆柱齿轮通过轮齿顶部的圆的直径叫做( )。
A.
齿根圆直径
B.
齿顶圆直径
C.
分度圆直径
D.
轮齿尺寸
【判断题】Japa'nese
A.
正确
B.
错误
【单选题】设集合 , ,则集合 等于  ( ▲ ) .
A.
B.
C.
【单选题】设集合 ,则A∩B等于
A.
B.
C.
【简答题】直齿圆柱齿轮通过轮齿根部的圆的直径叫做( )。A. 4
【单选题】设集合 ,集合 ,则 等于
A.
B.
C.
【单选题】▲据广西现行消耗量定额的规定,以下关于入岩增加费的说法错误的是( )。
A.
极软岩不作入岩
B.
硬质岩按入岩计算
C.
较软岩按相应入岩子目乘以系数0.5
D.
较硬岩按相应入岩子目乘以系数0.7
【简答题】设集合 , ,则 等于 A. B. C. D.
【单选题】So far as the broadcasting hours devoted to entertainment are concerned, ______.
A.
the Japanese figure is the highest in the world
B.
the U. S. figure is smaller than the U. K. figure
C.
the U. K. figure is second to the Japanese figure
D.
the Canadian figure is higher than that of any other country
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