【单选题】Compared to a naturally aspirated diesel engine, a supercharged diesel engine has_________.
A.
a cylinder air charge of higher pressure
B.
increased pumping losses
【判断题】break语句可以用来结束某次循环重新开始下一次循环。
【判断题】沈祖祥老师认为春秋战国时期是中国旅游史上最伟大的时代
【单选题】下面代码的输出结果是 weekstr = "星期一星期二星期三星期四星期五星期六星期日" weekid = 3 print(weekstr[weekid*3: weekid*3+3])
【单选题】下面代码的输出结果是 weekstr = "星期一星期二星期三星期四星期五星期六星期日" weekid = 3 print(weekstr[weekid*3: weekid*3+3])
【单选题】下列软件可以设置加密功能的有()。P107
【单选题】下面代码的输出结果是 weekstr = " 星期一星期二星期三星期四星期五星期六星期日 " weekid = 3 print( weekstr[ weekid * 3: weekid * 3+3 ] )
【单选题】下面代码的输出结果是 weekstr = "星期一星期二星期三星期四星期五星期六星期日" weekid = 3 print(weekstr[weekid*3: weekid*3+3])