If you have ever made homemade ice cream,you know that you cool the milk and cream by immersing the container in ice and a concentrated solution of rock salt (NaCl) in water.If you want to have a water-salt solution that freezes at -6.°C,how many gr

造句：Have you ever. Have you ever heard Have you ever Have you ever seen the man in the moon If you look closely at the moon on some nights ,you can see the face of the man in the moon .Some people say that they can see an old man carrying sticks .Others see a girl reading a book .These pictures are mad Have you ever read the story if还是Have you yet read the story if?我认为前者 英语作文 Have you ever lost any money ? If so ,tell us what happened?一小时内要啊 Have you ever skipped a class?If so,Why?用英语回答否的~100字左右 have you ever与have you ever been的区别 you have ever said before和you have ever said 英语造句have you ever “Have You Ever Seen Me? Have you ever seen snow? have you ever.是什么句型 have you ever fed them? Have you ever had these? Have you ever been employed? Where have you ever been? have you ever [ ] [drink]coke?