【判断题】Math.random()生成的随机数不包括1。()
【单选题】语句int(Math.random() * 6)+ 1的作用是( )
【判断题】Math.random 方法返回 0~1, 并且包含 0 和 1
【单选题】语句int(Math.random()* 6)+ 1的作用是( )
【单选题】What will happen several months after the explosion of the star?
A.
The star's matter will move further away from by the black hole.
B.
The black hole's matter will heat up.
C.
The torn star's matter will swirl into the black hole.
D.
The black hole's matter will release ultraviolet light and X-rays.
【单选题】Which of the following causes the outside layer of the star to be blown away from the core?
B.
The iron core collapse.
D.
The fusing of carbon and oxygen.
【单选题】计算-2 2010 ×(-0.5) 2011 =( )
【单选题】What will happen several months after the explosion of the star?
A.
The star's matter will move further away from by the black hole.
B.
The black hole's matter will heat up.
C.
The black hole's matter will swirl into the black hole.
D.
The black hole's matter will release ultraviolet light and X-rays.
【简答题】1-0.5+0.5=1-1=0.______.
【单选题】Choose the best option for the sequence of A and B.The heat which is generated inside the star is then radiated away from its centre, first to the surface of the star and then out into space.A= the he...
C.
A and B happen at approximately the same time