unit 1121. You should be able to ________ right from wrong.A. perceive B. distinguish C. sight D. observe22. Any student who _________ his homework is...2015-07-30
1[填空題]請補充函數proc(),該函數的功能是將字符串str中的大寫字母都改為對應的小寫字母,其他字符不變。例如,若輸入“How Are You?”,則輸出“how are you?”。注意:部分源程序給出如下。請勿改動main()函數和其他函數中的任何內容,僅在函數proc()的橫線上填入所編...2015-07-30