【单选题】先后抛掷三枚均匀的硬币,至少出现一次正面的概率是( )
【单选题】Which of the following is in contrast with the doctrines of early Taoism?
A.
The masterpiece of Taoism is Huangdi’s Classic of Internal Medicine, which is written in verse with many lines capable of different interpretations.
B.
The right way to govern a state is nonaction.
C.
The right way to live and behave is nonaction.
D.
The final truth of the world lies in Dao, which is inexpressible by words.
【单选题】The nearer a planet is to the sun, ______.
C.
the greater gravity it exerts
【单选题】将一枚质地均匀的硬币先后抛三次,恰好出现一次正面向上的概率( )
【单选题】一长为 l ,直径为 d 的等截面圆截面轴,两端受到一对大小相等、方向相反的扭矩 M 作用,材料的切变模量为 G ,则其表面任一点出的应变能密度 ν 为:
A.
64 M 2 l /( Gπ 2 d 6 )
B.
128 M 2 l /( Gπ 2 d 6 )
D.
16 M 2 l /( Gπ 2 d 6 )
【单选题】先后二次抛掷一枚均匀的硬币,其正反面各出现一次的概率为( )
【单选题】先后两次抛掷同一枚均匀硬币,那么两次都出现正面的可能性是( )