“三人行,必有我师焉。”这句话告诉我们要向身边有长处的人学习。它出自( )
《____》是明代旅行家徐霞客记录自己旅游考查的一部著作。
PM2.5也称为可入肺颗粒物,无法被鼻腔、咽喉等呼吸器官屏障阻碍,能沉积在肺部.PM2.5会携带有害物质进入血液,由此会产生血管内膜增厚、血管狭窄等症状.下列关于PM2.5的说法不正确的是( )
阅读短文,判断正误
Look at this photo(照片).This woman is my mother. She is 36.This man is my father. He is 37.This girl is my sister. She is 11.The little boy is me. I am 6. I love them. And they love me very much.