题目

正确的实验操作是科学探究成功的基础，下列操作中错误的是（ ） A． 熄灭酒精灯B． 检查气密性C． 滴加液体D． 加热液体 答案：CI did ____ in last English exam and I hardly made mistakes.A. enough goodB. good enoughC. enough wellD. well enough