题目

Wan Bo, a university student, was painting with his classmate Tang Qi on a summer afternoon. A little rocking horse caught their eye by chance. It 【1】( bring) them back to their childhood.“Why not try to make one by 【2】?’’ said Wan Bo, “You are good at making things and I am interested in painting.”“Actions speak 【3】 (loud) than words,” Tang Qi said. Then, the two young men began to collect some information about it. 【4】 those days, watching videos about caring (雕刻)and shaping wood into horse shapes become a part of their life.Several months later, a wooden ro请选择下列适当的物质填空（填字母）A 浓硫酸 B 磷酸钙 C 生石灰 D 活性炭 E 硝酸钾 F 碳酸钠（1）可作为厨房油污清洁剂的是_____。（2）用作防毒面具中的滤毒剂的是_____。（3）常用于食品包装内作干燥剂的是_____。（4）可作复合肥的是_____。