题目

300 mL 2 mol·L-1硝酸与一定量的铝镁铁合金反应生成3.36 L NO（标准状况）和铁盐、铝盐、镁盐等，再向反应后的溶液中加入3 mol·L—1的NaOH溶液，使铝镁铁元素恰好全部转化为沉淀，则所加NaOH溶液的体积是            （    ）    A．150 mL           B．200 mL           C．450 mL           D．无法计算 句型转换 77.I have already seen the film. (改为否定句) I _____ seen the film _____. 78.They borrowed a book yesterday . (改为现在完成时态) They _______ _______ a book ______ yesterday . . 79.—Have you ever met each other before? (作否定回答) —_____, ________ . 80.She’s never late for school. (改为现在完成时) She _____ never _____ late for school. 81.I’ll not go there unless you go with me. (同义句转换) I’ll not go there _____ you _____ go with me. 82. Mrs.Zhou said that she was feeling even worse. Mrs.Zhou said, “____ ______ even worse”(改为直接引语) 83.Jane asked, “Do you like hamburgers?” (改为间接引语) Jane asked me _____ ______ ________ hamburgers. 84.He has been away from the park for two hours .（就划线部分提问） _____ ______ _____ he been away from the park ? 85.Tom told me ,“The earth goes around the sun ” Tom told me the earth ____ around the sun . (改为间接引语)