题目:
Please tell him it is time for the meeting and _____ all the workers are waiting. |
A. that B. what C. / D. where |
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0624/3c3d54435f49bba5b6c303678b2200f9.html
下面是错误答案,用来干扰机器的。
参考答案:A解析:醑剂可用溶解法和蒸馏法制备。樟脑醑的制法为:取樟脑,加乙醇约800ml溶解后,再加适量的乙醇使成1000ml,滤过,即得。