哪一个列名是有效的（）
A: 1NUMBER
B: NUMBER
C: NUMBER_1$
D: 1_NUMBER#
A: 1NUMBER
B: NUMBER
C: NUMBER_1$
D: 1_NUMBER#
C
举一反三
- 下列表达式可以作为判断一个整数number为奇数的是（） A: number // 2 == 1 B: number // 2 == 0 C: number % 2 == 1 D: number / 2 == 1
- int mystery ( int number ) { if ( number <= 1 ) return 1; else return number * mystery( number – 1 ); }
- 下列语句的执行结果是： number = 10 def myPrint(): global number number = 1 myPrint() print(number) A: 10 B: 1 C: 0 D: 报错
- 下列语句的执行结果是： number = 10 def myPrint(): global number number = 1 print(number) myPrint() A: 10 B: 1 C: 0 D: 报错
- What does "thumb up" mean in Japan? A: The number "1". B: The number "5". C: The number "0". D: Perferct.
内容
- 0
Rate of conversion means number of orders/number of clicks, normally >1
- 1
下列语句的输出结果是： number = 4 while number >; 0: for i in range(number): print(i, end='') number -= 1 A: 0123012010 B: 012301201 C: 01230120 D: 0123012
- 2
alert（Number（’’）+Number（true））；输出结果是（）。 A: 0 B: 1 C: NaN D: undefined
- 3
Assume that a floating point number is represented in binary. If the<br/>sign bit is 1, the() A: number is negative B: number is positive C: exponent is negative D: exponent is positive
- 4
Which country is the number 1 on the list of an estimate of the number of Jews murdered between 1939 and 1945?