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【单选题】
某设备3年前的原始成本是5万元，目前的账面价值是2万元，现在的净残值为1万元，则该设备目前的价值为（ ）。A.
1万元
B.
2万元
C.
3万元
D.
4万元
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【单选题】语句int（Math.random（） * 6）+ 1的作用是（ ）
A.
产生1 — 6之间的随机数
B.
产生10 — 60之间的随机数
C.
产生100 — 600之间的随机数
D.
产生1000— 6000之间的随机数
【单选题】语句int(Math.random()* 6)+ 1的作用是( )
A.
产生1 — 6之间的随机数
B.
产生100 — 600之间的随机数
C.
产生1000— 6000之间的随机数
D.
产生10 — 60之间的随机数
【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?
A.
Shock waves.
B.
The iron core collapse.
C.
Blast wave.
D.
The fusing of carbon and oxygen.
【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 h...
A.
happens first
B.
happens first
C.
A and B happen at approximately the same time
D.
Not given
【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...
A.
happens first
B.
happens first
C.
A and B happen at approximately the same time
D.
Not given
【单选题】//import fl.motion.MotionEvent; //import flash.events.MouseEvent; //库中创建了影片剪辑元件mymc,并建立了AS链接的类mymc import flash.display.MovieClip; stage.addEventListener(Event.ENTER_FRAME,ball); function ball(event:E...
A.
var scale:Number = Math.random() * 0.6; 这个语句的功能是设置scale变量类型为Number，值为[0,0.6]
B.
mymc1.x = Math.random() * 500; 这个语句的功能是设置mymc1的x坐标为500
C.
mymc1.scaleY = scale; 这个语句的功能是设置mymc1的Y坐标的缩放比例值为scale
D.
stage.addChild(mymc1); 这个语句的功能是在库中建立了一个新元件mymc1
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