【单选题】在面心立方晶体的晶胞中中,一个(111)面上共有( )个等效晶向。
【单选题】The demand made by the workers is that their salaries______to cover the increased cost of living.
【简答题】读下图,阴影部分表示黑夜,回答下列各题。 小题1:下列叙述正确的是( ) A.①地正午太阳高度为一年中的最大值 B.②地正午日影朝南 C.②地比①地的自转角速度大 D.此时地球公转速度最快 小题2:图中②地所在经线的度数是( ) A.90°W B.45°E C.90°E D.135°E
【单选题】It is reported that the drivers won't go back to work until their demand for better pay ____. [ ]
【单选题】Say that Japanese firms commit to avoid laying off their employees when demand for their products is low, but American firms often lay off workers when demand is low. As a result, ceteris paribus, we ...
A.
face more elastic demand curves than American firms.
B.
have relatively greater variable costs than American firms.
C.
continue to produce at some prices at which American firms would shut down.
D.
shut down at prices at which American firms would continue to operate.
【单选题】Kodak‘s decision to file for bankruptcy protection is a sad, though not unexpected, turning point for a leading American corporation that pioneered consumer photography and dominated the film market ...
A.
Kodak‘s decision to file for bankruptcy is a sad, , but ultimately failed to adapt to the digital revolution.
B.
Kodak‘s decision is a sad, though not unexpected, turning point for a leading American corporation , but ultimately failed to adapt to the digital revolution.
C.
Kodak‘s decision is a sad turning point .
【单选题】Kodak’s decision not to _______ the role of official film for the 1984 Los Angeles Olympics was a major miscalculation.