阅读理解。

     This is No.12 High School. My friend Dongdong is in this school. Dongdong has long hair, a big nose, a small mouth and big eyes. He is thirteen. He is in Class Two, Grade Seven. He's a good student. He

has two good friends in his school. They are Jim and Jack. They're brothers(兄弟). They are fourteen.

They have small noses, small eyes, but they're very tall(高的). Jim, Jack and Dongdong are in the same

class. Mr. Lee is their(他们的) teacher. They are good friends.

1. Dongdong is in _____.

A. No.2 High School

B. Class 2, Grade 1

C. Class 2, Grade 7

D. Class 2, Grade 8

2. How old is Dongdong? He is _____.

A. fourteen

B. thirteen

C. twelve

D. eleven

3. Mr. Lee is _____.

A. Tiantian's brother

B. Tiantian's teacher

C. Dongdong's teacher

D. Jim's brother

4. Jim is _____.

A. an English boy

B. an English teacher

C. a Chinese boy

D. Sorry, I don't know

5. Who has big eyes?

A. Jim.

B. Dongdong.

C. Tiantian.

D. Jack.

市场上出售的“84消毒液”，其商品标示上有如下文字：（1）本品为无色溶液，（2）使用时可加水稀释，（3）可对铁制餐具、衣物进行消毒，可漂白浅色衣物．根据上述内容，你认为该消毒液可能是（　　）

A．碘酒

B．氯水

C．高锰酸钾

D．次氯酸钠溶液