网址:http://m.1010jiajiao.com/timu3_id_2372182[举报]
![]()
Look at the centre circles of Diagram (图)A and Diagram B. Which of the centre circles looks larger? In fact, they are exactly the same size.
Then look at the picture on the right. What do you see? A vase? Or two faces?Does the picture change quickly from one to the other again and again? Maybe or maybe not, but you can never see them at the same time.
![]()
“What’s happening? Is something wrong with my eyes?” You may wonder at what you see. Don’t worry. Here is how it goes:
When we look at things, our eyes send messages to our brains and then our brains interpret(解读)the information. However, sometimes our brains interpret the received information in a wrong way. It seems that our eyes are playing a joke on us. This often happens and we call it “visual illusion(视觉错误)”.
Movie makers often make use of visual illusions. They make the objects around actors much smaller or bigger than usual. This makes us believe that the actors are much larger or smaller than they usually are. The movies Jurassic Park and Honey I shrunk the kids just make use of visual illusions.
【小题1 】Why does the centre circle in Diagram A look smaller than that in Diagram B?
A. something is wrong with our eyes
B. the two circles are not the same size
C. our brains interpret the information in a wrong way
D. the two pictures change quickly from one to the other
【小题2 】 What do movie makers make use of visual illusions for ?
A. To help the actors look better
B. To make the actors much braver
C. To help the actors become stronger
D. To make the actors seem different in size
【小题 3】In the picture below, it seems that Line AB is shorter than Line CD, but in fact Line AB is as long as Line CD.
![]()
Which paragraph can explain what has happened to our eyes?
A. The second one.
B. The third one.
C. The fourth one.
D. The sixth one.
【小题 4】 What’s the right order according to the passage?
a. We look at things with our eyes.
b. Our brains interpret the messages.
c. Our brains tell us what we have seen.
d. Our eyes send messages to our brains.
A. a d b c B. c a b d C. a c d b D. b c a d
【小题 5】Where may this passage be from?
A. A letter B. An English newspaper
C. A science book D. An advertisement
查看习题详情和答案>>
In England New Year's Day is not 31 holiday and people go to work as 32 But on New Year's Eve most people sit up till 33 "to see the new Year in" or they 34 to parties and dances. Most of the London hotels 35 a New Year's Eve dance.
| 【小题1】 |
|
| 【小题2】 |
|
| 【小题3】 |
|
| 【小题4】 |
|
| 【小题6】 |
|
| 【小题7】 |
|
| 【小题8】 |
|
| 【小题9】 |
|
| 【小题10】 |
|
| 【小题1】 |
|
| A.more usual | B.the most usual | C.more unusual | D.the most unusual |
| 【小题3】 |
|
| 【小题4】 |
|
| 【小题5】 |
|
| 【小题6】 |
|
| 【小题7】 |
|
| 【小题8】 |
|
| 【小题9】 |
|
| 【小题10】 |
|
I sent invitation to my friends 45 . Now I am thinking about what I need to do tomorrow. Yes! I have to clean the room and do some shopping. I am going 46 some food, drinks and some fruit in the supermarket. I am going to make a shopping list 47 I go. I also have to decorate(装饰)the room. I need to do so many things, so I 48 see the movie “Da Vinci Code” after lunch. A terrible thing! The party begins 49 8 pm, so I must have my dinner 50 . I am tired after I finish 51 so many things and after dinner I can have a short rest.
| 【小题1】 |
|
| 【小题2】 |
|
| 【小题3】 |
|
| 【小题4】 |
|
| 【小题5】 |
|
| 【小题6】 |
|
| 【小题7】 |
|
| 【小题8】 |
|
| 【小题9】 |
|
| 【小题10】 |
|
You have often __1__ people talk about work. Perhaps you have __2__ your friends about how hard you worked to get something done. However, you may have done no work __3_ you think you worked hard.
A boy is pushing a big box very hard, but the box is __4__ heavy for him to move and he may __5__ to push against the box. __6__ the language of science, he has not done __7__ work. Can you think you are working when you are studying or talking?
In science, work is only done when a force(力) moves something that has weight through a distance(距离).
Work =" force" × distance moved.
__8_ you want to find out whether work is done, _9_ yourself, “Is a push or a pull moving something through a distance?” If your answer is __10_, then work is being done.
| 【小题1】 |
|
| 【小题2】 |
|
| 【小题3】 |
|
| 【小题4】 |
|
| 【小题5】 |
|
| 【小题6】 |
|
| 【小题7】 |
|
| 【小题8】 |
|
| 【小题9】 |
|
| 【小题10】 |
|