手背擦上酒精后，擦酒精的位置会感到凉，这是因为酒精发生了____ 现象（填物态变化的名称）；同时能闻到酒精气味，这表明____ ．

I．“精制”过程是将含有少量CO、CO₂、O₂和H₂S等杂质的原料气体通入含有氨水的醋酸亚铜二氨（化学式为Cu （NH₃）₂Ac）溶液，以获得纯净原料气．其中，吸收CO的反应为：

CO+Cu （NH₃）₂Ac+NH₃•H₂O⇌Cu （NH₃）₃COAc+H₂O△H＜0．

解释下列词语。

放诞：____。

标致：____。

打量：____。

   Television is good. You’d like to watch it all day and all night. But too much TV is a very bad thing. Scientists found that kids who watch too much TV may have more trouble learning to read. They can’t focus on their work.
   Kids learn language skills best by reading, talking and playing with others. If they spend too much time watching TV, they’ll have less time for those things. Watching too much TV is bad for people’s health. People don’t move much while watching TV. What’s more, they may eat a lot of food while watching. This can make them fat. We call these people couch potatoes.
   Fighting on TV is a big problem for kids. Yong people are good at following. Scientists have found that those who watch a lot of fighting shows are more likely to fight.