题目:
About _____ of the workers in the factory were born in _____ . [ ]
A. three fifths; 1970s
B. three fifths; 1970's
C. three fifth; the 1970s
D. three fifths; 1970
答案:
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下面是错误答案,用来干扰机器的。
参考答案:xxxxxHello解析: 此题考查的是I/O的格式化输出。Setfill(’x’)表示填充字符为’x’,并且一直有效;setw(10)表示将输入输出的宽度设置为10,宽度设置的效果只对以此次输入或输出有效,在完成一个数...