问题 单项选择题 B1型题

食物嵌塞()

A.卡环臂未进入倒凹区

B.基托与黏膜不密合

C.卡环过紧

D.牙合支托凹过深

E.有早接触

答案

参考答案:B

解析:1题基牙过敏选D,牙体预备造成牙本质过敏。2题食物碎屑易进入基托组织面,主要是由于基托与黏膜组织的不密合而引起,选B。3题食物嵌塞,主要是由于基托与黏膜组织的不密合而引起,选B。4题义齿松动,由于卡环不密合或未合理利用倒凹区,因而未能充分发挥卡环的环抱作用,可以调整卡环来改善固位;基牙固位形差,应增加或另行设计固位性强的同位体,故选A。

阅读理解

阅读理解。

Dessert house

    We have three kinds of desserts: small, medium and large. A small dessert with strawberries, bananas and

ice cream is 10 RMB. A medium dessert with apples, tomatoes and cheese is 12 RMB. A large dessert with

pears, potatoes and ice cream is 15 RMB.

    Welcome to our house.

Noodle House

    We have some great specials. Special 1 is chicken and cabbage noodles, and the large bowl is just 4 RMB

and the small 2 RMB. Special 2 is mutton and carrot noodles, and the large bowl is only 5 RMB and the small

2.5 RMB. Special 3 is beef and potato noodles. The large bowl is 4 RMB and the small 2 RMB. Special 4 is

tomato and egg noodles. The large bowl is only 3 RMB and the small 1.5 RMB. Large drink is only 5 RMB.

And all the fruits are free. 

    Come and get your noodles today!

1. How many kinds of desserts does Dessert House have? [ ]

A. three

B. two

C. one

D. four

2. If you have 30 RMB and you can buy            kind(s) of desserts. [ ]

A. three

B. two

C. one

D. four

3. Today we order a large dessert, two small bowls of mutton and carrot noodles and a large bowl of

     tomato and egg noodles. We need to pay            RMB. [ ]

A. 26

B. 20

C. 23

D. 24

4. Nancy likes dessert very much but she doesn't eat tomatoes or potatoes. She can eat           . [ ]

A. a large dessert

B. a medium dessert

C. a small dessert

D. both A and C

5. Mary wants large bowl and Emma wants a small bowl. They only have 6 RMB and Emma doesn't eat

    eggs or beef. They can eat a large bowl of            noodles and a small bowl of            noodles. [ ]

A. mutton and carrot, tomato and egg

B. chicken and cabbage, mutton and carrot

C. tomato and egg, beef and potato

D. beef and potato, chicken and cabbage

多项选择题 X型题