下列物质的化学式不正确的是() A.熟石灰的化学式是Ca(OH)2 B.干冰的化 发布时间:2017-07-16 21:34 │ 来源:www.tikuol.com 题型:选择题 问题: 下列物质的化学式不正确的是( ) A.熟石灰的化学式是Ca(OH)2B.干冰的化学式是CO2C.酒精的化学式是C6H12O6D.铁红的主要成分的化学式是Fe2O3
题型:选择题 After a long journey across the whole country from north to south, they found themselves ________ as well as their clothes. [ ]A. picked out B. called outC. caught out D. worn out 查看答案