下载APP
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ wakefulness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】获取文件名语句是：
A.
os.mkdir（“test”）
B.
os.path.basename()
C.
os.makedirs（r“c：\python\test”）
D.
os.getenv() 与os.pute
【单选题】下列 windows 文件名的叙述错误的是: ( )
A.
文件名允许使用汉字
B.
文件名中允许使用多个圆点分隔符
C.
文件名中允许使用空格
D.
文件名中字符不受限制