Read and choose.(读一读,选一选。)
____
A. Hello! I'm Mike, I'm a student.
B. Good morning, boys and girls. I'm your teacher.
C. Hi! I'm a boy, I'm from America.
D. Hello! I'm Chen jie and I'm a girl.
养殖种类
成本(万元/亩)
销售额(万元/亩)
甲鱼
2.4
3
桂鱼
2
2.5
下列四组生物中,细胞结构最相似的是( )
形近字组词
导____ ____ 慌____ ____
异____ ____ 谎____ ____