题目

向滴有酚酞的水中加入过量Na2O2粉末并振荡，下列实验现象中正确的是①溶液始终呈现无色 ②溶液由无色变红又变无色 ③溶液中有气泡产生 ④溶液由无色变为红色( )A．③④ B．①②     C．②③  D．①④  答案：C解析:略 翻译句子.1.很可能我父母不会让我去。(likely)________________________________________________________________________2．他拒绝服用那种药物，以免上瘾。(in order to)________________________________________________________________________3．我听从了医生的建议，并很快恢复了健康。(take/follow one’s advice)________________________________________________________________________4．每四个烟民中就有一个可能因吸烟而死。________________________________________________________________________5．There has been so much to do in connection with this American tour that I have neglected your letter._______________________________________________________________