下列有关生命的物质基础和结构基础的阐述,不正确的是( )
A:C、H、O、N、P 是ATP、染色质、核苷酸共有的化学元素
B:线粒体、核糖体、染色体、叶绿体等结构中都含有DNA
C:糖蛋白、抗体、受体、限制酶都是具有识别作用的物质
D:脂质中的磷脂是构成细胞膜的重要物质,所有细胞都含有磷脂
This is Joy's bedroom.it's a small room . He has some pictures.They are on the wall. He also has a desk and a chair in his bedroom.The desk is near the window. His bag and pencil box are on the desk. There are some pencils,a pen,a ruler in the pencil box. He has a baseball and a basketball. They are under the bed.Joy likes playing basketball and baseball. He also has two volleyb alls,but he doesn’t like playing volleyball.根据短文内容,从A、B、C、D四个选项中选出能填入空白处的最佳选项。
例:春天像个小姑娘。(害羞的)
春天像个害羞的小姑娘。
①门前开着鲜花。(一大片五颜六色的)
②邓爷爷挑选了一棵柏树苗。(精心地茁壮的)