下列不属于人体免疫器官的是（ ）
植物的生长需要量最多的无机盐是
A. She's my mother.
B. I have a happy family.
C. What's this?
D. This is my father.
Rose: ____
Tom: It's a picture (照片) of my family.
Rose: Who's this?
Tom: ____
Rose: Who's she?
Tom: ____ And this is me.
Rose: Are you happy?
Tom: Yes. ____
主食
米饭、馒头
副食
牛肉、鱼
饮料
牛奶、白开水
用你所学的化学知识，建议小丽妈妈增加的食物是（ ）
