A:细胞膜
B:细胞质
C:细胞核
D:线粒体
下列关于化学反应2X+Y=2Z的叙述,错误的是( )
— Do you think my classmates will laugh at me?
— Maybe. But I think you are right.
请回答下列问题:
选字填空。
棵 颗
①村头有____木棉树。
②这串珍珠有几____?