阅读理解。

     We are middle school students. We're in Class 3, Grade7. This is our classroom. It is a nice big room. You can see

a clock over the blackboard.   You can see desks and chairs in the room.  They're new.   The books are on the desks.

The  bags are behind the chairs. Can you see a big desk? It is the teacher's desk. On the teacher's desk you can see

some flowers. They are for our teacher, Miss Gao. She is a good teacher.

根据短文内容，判断句子的正(T)，误(F )。

( )1. A clock is under the blackboard.

( )2. The books are on the desks and the bags are behind the chairs.

( )3. We are students. We're in Class 1, Grade 7.

( )4. The teacher's desk is big.

( )5. Miss Gao is a good teacher.

邮政代理金融营业网点应将意见簿、“处理单”、客户投诉信函等资料归档保存，保管期限为（）年。

A、1

B、2

C、5

D、10