问题 单项选择题 A1型题

关于护牙托说法不正确的是()

A.护牙托的作用是保护牙齿和口内其他组织

B.口内成型类是应用最多的护牙托

C.预成类护牙托是固定以及防护效果欠佳的成品护牙托

D.建议青少年在参加身体基础类运动项目时使用

E.在我国,除拳击等专业性极强的运动项目外,很少使用

答案

参考答案:B

解析:护牙托分为三类:预成类、口内成型类和个别制作类。其中个别制作类是由牙医根据保护者的牙齿模型进行加工制作的护牙托,固位及预防效果最好,应用较多。

阅读理解

阅读理解

     Sophia Richardson: Both my parents are really important to me.My parents are really more

than friends.They're the people I can open up and talk to.Talking to them is like talking to one of

my friends.They've been there for me and given me good advice on a lot of my problems.

     Stacey Avnes: My Jewish big sister is important to me.Her name is Lauren.We've been

together for two years.My mom is a single mom and she is very busy.Lauren is someone who helps

me deal with all this stuff because she's someone I can talk to.She's like a second mom to me and

also a best friend.If I have any problem, I can call her and she'll come and pick me up and we'll go

to the park and talk.

     Jean Park: It's my uncle who is important to me.When  I'm with him, I'm grateful for the small

things-being alive and healthy;  having a good family and friends.He's also very grateful for the small

things and gives back to his community.

     Melaku Shierfaw: My father is important to me.He came  here from a rich family in Africa.But

when he came, he didn't take any money and started fresh.He showed that he could do everything

by himself without the help of others and he's successful.It shows me that I can do anything as long

as I try.

     Kalin ScottWright: My great grandmother is in charge of our whole family.She was born in

1920.I know she went through a lot in her life.She was a very strong woman and she raised my mom

and took her in.She had a kind spirit and loved me and my brother.She'll always be there for me

although she's not alive any longer.

1. What is this passage mainly about?

A. Who loves us most.  

B. Who is important to us.

C. What our parents are like  

D. Who is in charge in our family.

2. We can infer that Sophia________.

A. is always in trouble

B. has few friends

C. gets along well with her parents

D. relies too much on her parents

3. What do we know about Stacey's big sister?

A. She is very lonely.  

B. She is a single mother.

C. She is Stacey's only friend.  

D. She often helps Stacey.

4. What does Jean's uncle teach him?

A. To be grateful for the small things in life.

B. To be ready to help his community.

C. To treat others like friends.

D. To have a good family.

5. From his father, Melaku has learnt that________.

A. not everyone can be successful

B. money is not important in one's life

C. one should never ask others for help

D. he can do anything as long as he tries

单项选择题