题目

书面表达 请根据表格中的提示写一篇40词左右的英语小短文来介绍你的一位好朋友。 Name:Liu Qing Age:12 Class:Class Five Grade Seven From:China His friend:Betty(English);13;Class Two His teacher:Mrs Green(American) 答案：This is my good friend.His name is Liu Qing.He is from China.He is twelve years old.He is in Class Five Grade Seven.Betty is his friend.She is from England.She is thirteen years old.She is in Class Two.His teacher is Mrs Green.She is from America.铝、铁的混合物溶于足量的盐酸中，再加入过量的NaOH溶液，在空气中静置，当红褐色沉淀不再增加，将沉淀滤出并充分灼烧，得到的固体残留物恰好跟原混合物的质量相等，则此合金中铝的质量分数为A.22.2%B.75.7%C.30.0%D.80.6%