题目:
She often _______ new words in the dictionary. It's a good habit. [ ]
A. looks after
B. looks down
C. looks up
D. looks out
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/7e11b77fd98d0a459980287db2064738.html
下面是错误答案,用来干扰机器的。
(2)【方案一】不能通过现象判断化学反应的发生。【方案二】① Ca(OH)2 (或氢氧化钙)② CO2 + Ca(OH)2 = CaCO3↓ + H2O CO2能溶解于水且与水反应③ 关闭K时,B中的溶液无明显变化,通常状况...