第6题: [单项选择]The school authority ______ against students' smoking both in the classrooms and at home. A. resolved B. determined C. banned D. prohibited 参考答案:A 答案解析:resolve on/upon sth./doing sth.决定做某事;resolve against sth./doing sth.反对做某事;而 ban和prohibit表禁止某人做某事时的用法