题型:判断题 下列关于实验问题处理方法或操作不正确的是( )A.实验结束后将所有的废液倒入下水道排出实验室,以免污染实验室B.在实验室,不能品尝药品C.熄灭实验桌上燃着的酒精,简便合理的方法就是用湿抹布盖灭D.配制稀硫酸时,先在烧杯中加一定体积的水,再边搅拌边沿杯壁加入浓硫酸 查看答案
题型:判断题 — Could you tell me _____?— I’m sorry. The traffic was too heavy.A. why were you late for the meetingB. why you were late for the meetingC. when you were late for the meeting 查看答案