If you ____ some salt to a glass of water,it ____part of the

If you ____ some salt to a glass of water,it ____part of the 七下英语第六单元作文牛津版,An experimentAdd some salt to a glass of water a glass of water,a grain of salt a glass of water, a grain of salt 歌词 have a glass of salt water.the first water,get the concentra 根据提示写一个关于这个实验的短的段落 提示：1.Add some salt to a glass of water . Do you drink water every day?It's good to drink a glass of w Are you going to the k___?We need some salt and a bottle of Second,you should a____ some salt to the water. when a pencil is partly in a glass of water,it looks as if i When a pencil is partly in a glass of water, it looks as if "When a stick is partly in a glass of water,it looks as if i