题目内容

阅读理解。
     It seems to be strange to you there is a blind spot on the eye. Here is an interesting experiment that can
make something disappear, When one eye is open?
     Make a card about the size of a postcard and write two English letters L and R on it. L on the left and R
on the right. first, hold the card about 80 cm away and you see both the letters. Then close your right eye
and look at the letter R only with your left eye. And now, as you move the card slowly towards you, you'll
see the letter L disappearing. But if you move the card nearer to your lace, the letter will be seen again. Now
do the same experiment with your left eye closed, you'll see the letter R disappearing.
     Why did the letter disappear? It is because there is a blind spot on the eye. When the image of the letter
falls on the blind spot, it won't be seen. That is why either of the letters disappear.
1. The word"disappear" in the first paragraph means _____.
[     ]
A. 消散
B. 丢失
C. 消失
D. 遗失
2. You fail to see the letter "L" in the experiment because _____.
[     ]
A. your eyes are poor
B. you move it close to your eye
C. its image falls on the blind spot
D. your left eye is not open
3. In which order (顺序) should you do the experiment?
a. hold the card
b. move the card nearer
c. close your right eye
d. write two English letters
e. look at the letter R
f. make a card
[     ]
A. f-d-a-b-c-e
B. a-c-f-d-e-b
C. f-a-d-c-b-e
D. f-d-a-c-e-b
4. This passage mainly (主要) tells us _____.
[     ]
A. there is a blind spot on the eye
B. an interesting experiment
C. where the blind spot is
D. how to find the blind spot
练习册系列答案
相关题目
阅读理解。
     It was about eight o'clock in the morning. Jane was on her way to school. She was walking on 
Prince Road. Suddenly, she saw a small blue car coming very fast. When the red light was on, the river 
wanted to stop but he could not; The car crashed into a lamp post on the pavement.    
     Jane saw that the driver was badly hurt. Blood was coming out of his head. He was in great pain. 
Jane was frightened. She quickly went to telephone the police. Soon a police car and an ambulance arrived. The policemen helped the driver get out of his car. Then the ambulance took him to hospital.    
     A police inspector went up to Jane and invited her to the police station. He wanted Jane to tell him
 about the accident.
1. When did the accident happen?
                                                                             
2.What did Jane see after the accident happened?
                                                                             
根据短文内容;判断正(T)误(F)。
(    )3. The driver didn't stop his car.
(    )4. Jane was too frightened to move.
     翻译下面的句子。
5. The car crashed into a lamp post on the pavement.  
   _____________________________________                                                                         

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网