题目

Day by day, I became                  to everyone in my class. A. close B. closer C. closest D. the closest 答案：B下列物质的转化在给定条件下能实现的是( )A.SSO3H2SO4B.Al2O3NaAlO2(aq) Al(OH)3C.SiO2 SiCl4SiD.Fe2O3FeCl3(aq) 无水FeCl3