P（6点朝上）=16．
故选D．
A dealer in a casino has rolled a five on a single die three times in a row. What is the probability of her rolling another five on the next roll, assuming it is a fair die（）
A. 0.001.
B. 0.500.
C. 0.167.
A．滑雪时，滑雪板与雪地的摩擦
B．擦黑板时，板擦与黑板的摩擦
C．慢刹车时，闸皮与自行车钢圈的摩擦
D．在地面上滚动的皮球与地面之间的摩擦
