下列说法正确的是( )
A:光电效应现象说明光子既有动量又有能量
B:立体电影和全息照相都应用了光的偏振
C:电子显微镜的分辨率比光学显微镜的分辨率高
D:强度相同的黄光和蓝光照射同一金属都发生光电效应,蓝光的饱和电流大
A.Where did you go over the winter holiday?
B.How tall are you?
C.Did you see a film last night?
D.You didn't come to school. What happened?
E.Are you all right?
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广州亚运会使用的火炬燃料X燃烧后不会对环境造成污染,该燃料燃烧的化学方程式为:X + 5O23CO2 + 4H2O ,则燃料X的化学式为()