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①碘升华 ②溴蒸气被木炭吸附 ③酒精溶于水 ④HCl气体溶于水 ⑤冰融化⑥NH4Cl受热分解 ⑦氢氧化钠熔化 ⑧（NH4）2SO4溶于水．
2015年3月15日,依据宪法修订的《中华人民共和国消费者权益保护法》正式实施,其中新增规定包括网络购物七日内可无理由退货。新增这一规定( )
①说明法律是我们生活的“卫士” ②有利于保护网络购物者的自主选择权
③说明网络购物者开始成为“上帝” ④说明我国法律是人民意志和利益的体现
It was cold yesterday. Tom didn't go out. He did housework. Sam went to play football. And he had a cold. He fell ill today. He's got a fever. Lili phoned him. She will come to see Sam. Sam's mother cooked lunch. They had noodles and eggs for lunch. Sam drank lots of hot water. It's good for him.
