简述比例税率、累进税率和定额税率的含义。

阅读理解

       I will never forget my first English class. It is very interesting. It’s the first class in the morning. The        teacher goes into the classroom with a smile on his face. At the beginning, he makes a self-introduction(自我介绍). And he tells us that his English name is John. Then he asks all of us to think of English names  for ourselves. We are very excited(兴奋的) to find a good name. Then he asks us to write our names down  on a piece of paper. I think about my English name for a long time. Then I come up with(想出) a beautiful name ---Shirley. All the students write their names down and give the paper to the teacher. When the teacher calls “Shirley” to answer his question, three girls stand up at the same time.

1. What do we do in the first English class?

A. Tell the teacher our Chinese names.    

B. Find English names for ourselves.

C. See an English film.                

D. Draw pictures.

2. What does our teacher do first?

A. He asks every student to make a self-introduction.

B. He introduces(介绍) himself to all of us.

C. He asks us many difficult questions

D. He tells us a story.

3. What’s the English name of our English teacher?

A. Jack.      

B. Shirley      

C. John.  

D. Tom.

4. Where do we write down our English names?

A. On the blackboard.          

B. On the desk.

C. On our hands.              

D. On the paper.

5. Which of the following is TRUE?

A. The teacher gives every student an English name.

B. Our teacher is a young girl.

C. Three girls choose(选择)the name “Shirley”.

D. The teacher calls our Chinese names in class.

提示完全依赖的FIM得分是（）。

A.18分

B.19～53分

C.54～107分

D.108～125分

E.126分

女性，25岁，体检时偶然发现右下颌第一磨牙远中根尖有一圆形界限清楚的不透光区，牙根可见。镜下为不规则的骨小梁增生，其中嗜碱性线明显。骨髓腔窄小，腔内有纤维结缔组织及少量炎细胞浸润。最可能的疾病是（）

A.Game骨髓炎

B.致密性骨炎

C.慢性化脓性骨髓炎

D.骨化性骨膜炎

E.慢性弥漫性硬化性颌骨骨髓炎

按( )可把地下室分为砖混结构地下室和混凝土结构地下室。

A．功能
B．性质
C．形式
D．材料

【 】权限允许修改数据，但不允许删除数据。