阅读理解。

     Hello, everyone! This is my bedroom. That is my green bed. It's very lovely. Isn't it? Can you see the

pink pillow? It's my pillow. I like it very much. The dresser is beside (在……旁边) the bed. It's brown.

And a clock is on the dresser. It's pink and purple. Oh, this is my desk. It's blue. There is a computer on

the desk. I like to use the computer very much. I often use it to do my homework. My books are under

the desk. The desk is beside the chair. My chair is blue, too. Ah, my baseball! It's on my chair.

     I like my bedroom very much!

1. Where is the dresser?

A. Next to (靠近) the bed.

B. Behind the bed.

C. Near the desk.

2. Is the clock on the dresser?

A. No, it isn't.

B. Yes, it is.

C. I don't know.

3. What color is the desk?

A. Green.

B. Red.

C. Blue.

4. Where are the books?

A. Under the desk.

B. Behind the desk.

C. Near the desk.

5. Is there (有) a baseball in the room?

A. No, there isn't.

B. Yes, there is.

C. We don't know.

试述兔瘟的病理变化