复选框、单选按钮及对话框的应用，说明：男、女为单选按钮，数学、语文为复选框，当在文本框中输入一个名字，单选按钮选“男”，复选框都选上时-Check box, radio button and dialog application Descr iption: male and female for the radio button, mathematics, language for the check box, when in the