【简答题】下列代码中,while语句的执行次数是( )。 int x=3; while (x<9) x+=2; x++;
【单选题】Take it easy. I’m sure you will pass the exam successfully. A. Keep it up. B. Do
A.
Take it easy. I’m sure you will pass the exam successfully. A. Keep it up.
【单选题】There is no thinking more about the matter.Take it easy.
【单选题】关于 Python 循环结构,以下选项中描述错误的是
A.
遍历循环中的遍历序列可以是字符串、文件、序列数据类型和 range()函数等
B.
break 用来跳出最内层 for 或者 while 循环,脱离该循环后程序从循环代码后继续执 行
C.
每个 continue 语句只有能力跳出当前层次的循环
D.
Python 通过 for、while 等关键字提供遍历循环和条件循环结
【单选题】完整的风化壳沿垂直剖面由上及下可分为土壤层、()、()和 ()。