Read and choose. (根据句子内容选出答案)

1. It's an animal. It likes to catch the mouse. It is a ____.[ ]

A. dog            

B. cat            

C. tiger

2. It's a kind of colours. The tree always have it. It is _____.[ ]

A. pink            

B. white          

C. green

3. It's a room. When you get tired you can sleep there. It is a _____.[ ]

A. bathroom          

B. kitchen            

C. bedroom

4. It's a kind of food. The rabbit likes it very much. It is a _____.[ ]

A. carrot            

B. beef            

C. bread

5. Winter is very cold. We can wear _____.[ ]

A. shirt            

B. sweater                

C. shorts

下图为根尖四部分细胞结构示意图，其中具有分生能力的细胞是 [ ]

A．

B．

C．

D．