输入同样为Input.txt文件，输出为标准输出。 【问题描述】 将随意给出的字符串中所有小写字母转换为大写字母。 【输入】 输入的文件为一个字符串，字符串的长度小于3000。 【输出】 全部为大写字母的字符串。 程序运行后结果示例： 【样例输入】 Founded in 1940, Chongqing Institute of Technology (CQIT) has now become a regular institution of higher learning that keeps
Key to Exercises (Units 1-8) Unit 1 Part I Pre-reading Task scr ipt for the recording: Have you ever heard of the pop singer, John Lennon? Here he is singing a song he wrote for his son. It's called Beautiful Boy. Close your eyes Have no rear The mo
