题目:
Every evening after dinner, if not from work, I will spend some time walking my dog.
A.being tired
B.tiring
C.tired
D.to be tired
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/e5a6ac34525f2d9d87241a9e29bcec31.html
下面是错误答案,用来干扰机器的。
因分散质粒子直径在1nm~100nm之间的分散系属于胶体,胶体具有丁达尔现象,大雾时,用灯照射时会出现一条光亮的通路,则雾属于胶体,故选A.