举一反三
- 创建一条弧线的函数是（ ）。 A: arc(number x, number y, number r, number sAngle, number eAngle, boolean counterclockwise) B: rect(number x, number y, number width, number height) C: arcTo(number x1, number y1, number x2, number y2, number radius) D: fillRect(number x, number y, number width, number height)
- 函数CanvasContext.translate(number x, number y)的参数x表示（ ）
- According to recording 4.1, which statement is true? （ ）。 A: Number four and number five. B: Number one and number two. C: Number three and number four. D: Number one and number four.
- 下面哪个词组表示“快递单号”？ A: tracking number B: contract number C: order number D: code number
- int number_range=20;int number=2;boolean isprime=true;while(number<;number_range){isprime=true;for(int divlsor=2;divlsor<;=number/2;divlsor++){if(______){isprime=false;break;}}if(isprime){out.println(number+"<;br>;");}number++;}%>; A: divlsor%number==0 B: number%divlsor==0 C: divlsor/number==0 D: number/divlsor==0
内容
- 0
函数CanvasContext.scale(number scaleWidth, number scaleHeight)用于（ ）
- 1
如果Number=3，下列命题为真。If Number = 3, point out the truth and false of the following statements.Int(Number * Number) = Number * Number
- 2
如果Number=7，下列命题为真。If Number = 7, point out the truth or false of the following expressions.Sqrt(Number*Number ) == Int(Sqrt(Number*Number))
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设WHERE子句中有条件表达式：numberIN(100，200）,该表达式的含义是（）。 A: number =100 AND number =200 B: number >;=100 AND number <;=200 C: number=100 OR number =200 D: number >;100 AND number <;200
- 4
函数（ ）用于取消由 setInterval 设置的定时器。 A: number setTimeout(function callback, number delay, any rest) B: clearTimeout(number timeoutID) C: number setInterval(function callback, number delay, any rest) D: clearInterval(number intervalID)