题目

阅读填空 从方框中选择单词，填入短文空格内，使短文意思正确、通顺，再将其适当形式填入短文后的横线上。每词限用一次。 beautiful, same, classroom, deeply, friend, do, know,  anything, because, successful   My teachers thought I was the worst student. My family also had the   1  thought as my teachers.   When I was going to give up my studying, a new teacher, Miss White came to our school. She was young,   2  and knowledgeable (知识渊博的).   One day, I was sitting alone in my  3  , Miss White came up to me and talked t能正确表示下列化学反应的离子方程式是A.氧化铜与稀硫酸反应：O2-+2H+=H2OB.稀H2SO4与铁粉反应：2Fe+6H+=2Fe3++3H2↑C.铜片插入硝酸银溶液中Cu+Ag+=Cu2++AgD.硫酸溶液与氢氧化钡溶液的反应2H++SO42-+Ba2++2OH-=BaSO4↓+2H2O