A:put off; caught fire
B:put away; been on fire
C:put out; been on fire
D:put out; caught fire
0.25×32×12.5=____
(Ⅰ)当点M为EC中点时,求证:BM∥平面ADEF;
(Ⅱ)当平面BDM与平面ABF所成锐二面角的余弦值为 66 时,求棱锥M﹣BDE的体积.
由图可知,“2015,高考加油!”所占字节数及“高”的内码分别是( )