问题 配伍题 B型题

光学密度的表示式是() |光学对比度与X线对比度的关系是() |光学对比度与照片清晰度的关系是() |光学对比度的计算式是() |极限分辨力与物体大小的关系是()

A.D=lgI0/I

B.K=D1-D2

C.K=rlgKx

D.S=H/K

E.R=1/2d

答案

参考答案:A|C|D|B|E

阅读理解

阅读理解。

     My name is Mariko. I’m from Tokyo. I can speak a little English. But I can't speak Chinese. I usually

get up at 6 o'clock and go to school at 7:30 in the morning. I think art is interesting. I don't like science.

I think it is boring. I want to come to China and Canada very much. I think they are very interesting.

My name is Mario. I am from Paris. I am 12 years old. I go to school at seven fifty and I go home at

four twenty. I have lunch at school. I usually eat fish, French fries, potatoes and carrots for lunch. My

favorite subject is music, because it’s fun. I want to join a music club. I don’t like P.E.. I usually do my

homework at 5 o’clock and I go to bed at 10 o'clock.I am Boris. I am from Canada. I like science and

art. I want to join the art club. Swimming club is not interesting. I don’t like math. I think it is boring. I

get up at six thirty and then I run on the playground (操场). My good friend is Sam. He doesn't know

Chinese. He doesn't like Chinese food. He wants to join our Chinese club.

1. Mario likes        best. 

 A. music          

B. art            

C. math          

D. science

2.        goes to school at 7:30.

A. Mario          

B. Mariko          

C. Sam            

D. Boris

3. Mariko doesn’t like science because it is  ___.  

A. interesting        

B. relaxing        

C. boring          

D. fun

4.       is from Japan.    

A. Mario            

B. Mariko      

C. Sam            

D. Boris

5. Boris wants to join       .  

A. Swimming club.    

B. Music club.    

C. Art club.    

D. Chinese club.

单项选择题