Tom's mother is good at cooking and she 发布时间:2017-07-01 20:55 │ 来源:www.tikuol.com 题型:选择题 问题: Tom's mother is good at cooking and she knows ______ to make food.A. what B. how C. why D. when
题型:选择题 现有下列四种物质:①Cl2、②NO2、③NH4Cl、④Na.其中,能与水反应生成H2的是(填序号,下同)______,受热易分解的是______,能与NaOH溶液反应制得漂白液的是______,能与水反应生成一种酸和一种气体的是______. 查看答案
题型:选择题 The writer ___ his writing so that he forgot to have his lunch.A.absorbedB.was absorbed intoC.absorbed intoD.was absorbed in 查看答案