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问题 单项选择题

下列各存储器中，存取速度最快的是( )。

A．CD-ROM

B．内存储器

C．软盘

D．硬盘

答案

参考答案：B

解析： 内存与外存相比：内存速度快，容量小，价格高。硬盘、光盘和软盘均是外存，它们的存取速度比内存慢。

阅读理解

阅读理解。

A: Look, it is a picture of my family.    

B: Oh, it is a nice picture.  Eric, Who is this man?

A: It's my father.                    

B: Is the girl your sister?

A: Yes, she is.                      

B: How old is she?

A: She's six.                      

B: Are you in the same school?

A: No, we are not.                  

B: Is the woman your mother?

A: Yes, she's a nurse.                

B: She looks young(年轻的)and beautiful.

A: I look like her.                  

B: Who's that?

A: Who? The baby(婴儿)?        

B:Yes.

A: Guess(猜)!                  

B: Is it your brother?

A: No.                            

B: I know (知道) it's you.

A: That's right. I look lovely (可爱的).

1.  What photo is it?          

A. A photo of a girl.                

B. A photo of people.

C. A photo of a room.              

D. A photo of a family

2.  How old is the sister?         

A. 7.        

B. 6.          

C. 9.        

D. 10

3.  What is her mother?          

A. She is a doctor.                  

B. She is a teacher.

C. She is a nurse.                  

D. She is a worker.

4.  Are Tom and his sister in the same school?            

A. Yes, he is.                    

B. No, he is not.

C. Yes, they are.                  

D. No, they are not.

5. How many people are there in the family?              

A. Four.      

B. Five.      

C. Three.      

D. Two.
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单项选择题

既舒筋活络，又化湿和胃的药物是（）。

A.独活

B.秦艽

C.木瓜

D.威灵仙

E.五加皮
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