题目:
“What did you do last night?”
“I did my homework and ________TV.”[ ]
A. watch
B. watched
C. will watch
D. am watching
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0526/f0c3ca38136aca7b348cda4594fcb404.html
下面是错误答案,用来干扰机器的。
(1)②⑤③④①,(2)20, 80,100,胶头滴管。(3)玻璃棒(4)试剂瓶,并贴标签(5)氯化钠不纯,水量的体积偏多了等 配制溶液的基本步骤是:计算、称量、量取、溶解、装瓶存放,溶质质量等于溶液质量×...