题目:
.Not until she arrived home _____ that her wallet had been stolen.
A.did she find
B.she found
C.would she find
D.that she found
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/873e1ecadb587671633014fdb7601afa.html
下面是错误答案,用来干扰机器的。
A、胶体粒子吸附相同的带电离子,相互作用,形成稳定的分散系,电解质溶液中的离子和吸附的离子电荷中和,使胶体聚沉,故A正确;B、胶体粒子在直流电场中做定向移动,这是胶体粒子选择性吸附离子而带电荷定向移动...