A:一定温度、压强下,气体体积主要由其分子的大小决定
B:一定温度、压强下,气体体积主要由其物质的量的多少决定
C:气体摩尔体积是指1 mol任何气体所占的体积为22.4 L
D:不同的气体,若体积不等,则它们所含的分子数一定不等
Many years ago there ___ any televisions.
组词。
令____ 句____ 叮____ 换____
邻____ 狗____ 盯____ 唤____
Hello! I'm Linda. I have a good e-friend. Her name is Zhang Yun. Her English name is Betty. She is a Chinese girl, but she lives in the UK with her parents. Her father is a doctor and her mother is a teacher. She is ten years old. She call me big sister. She is good at English. She likes Chinese and I also like Chinese. She likes singing and playing basketball. This is my good e-friend. Do you want to know more?