A．把盛有溶液的分液漏斗放在铁架台的铁圈中；
B．把50mL碘水和15mL CCl4加入分液漏斗中，并盖好玻璃塞；
C．检验分液漏斗活塞和上口的玻璃塞是否漏液；
D．倒转漏斗用力振荡，并不时旋开活塞放气，最后关闭活塞，把分液漏斗放正；
E．旋开活塞，用烧杯接收溶液；
F．从分液漏斗上口倒出上层水溶液；
G．将漏斗上口的玻璃塞打开或使塞上的凹槽或小孔对准漏斗口上的小孔；
H．静置，分层．就此实验，完成下列填空：
读漫画，完成问题。
No. 1 Middle School
Don't run in the hallways
Don't bring food into the classroom.
Don't listen to music in class.
You have to wear a uniform.
No. 2 Middle School
Don't bring food into the classroom
Don't wear a hat in class.
Don't go into the classroom without the teacher.
No. 3 Middle School
Don't listen to music in the classroom.
Don't run in the hallways.
You have to wear sports shoes for gym class.
