A：该物质是由五种元素组成的
B：该化合物中C，N两种元素的质量比为6:1
C：每个甜蜜素分子是由24个原子构成的
D：甜蜜素是有机高分子化合物
—I'd like to go to the movie with you, Dad.
—Sorry, my son, but only the grownups are________into the cinema.
Hi, I'm Lisa. Look at the picture of my family. There are four people in my family. We live in Russia. Next month, we are going to travel around China. We are going to stay for ten days. We are going to the Summer Palace, the Great Wall and Wangfujing Street. They are all in Beijing. I hope we have fun time.
按拼音写汉字
____
jiāng nán
shuǐ cūn
lóu tái
yān yǔ
