摘要：2．When do you want (see)the movies?
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Have you seen Avatar (《<阿凡达》)?
It's a popular movie this year. It is three-dimensional (3D), so you may have to wear a special pair of
glasses to see it. The 3D glasses make the images (图像) from the movie look like they are coming straight
at you.
More and more 3D movies are coming to theaters. Some say that 3D TV sets will come into our homes
in the near future. Three-dimensional technology can make TV and movies more exciting. But people with
eye problems may get headaches if they spend too much time watching 3D movies. Why?
When we look at an object, each eye sees it at a different angle (角度). Our eyes send the two images
to our brain, and the brain puts them together. That' show we see depth.
Three-dimensional technology uses two film projectors (投影机). One projects a left eye image and the
other projects a right eye image. 3D glasses allow us to see a different image in each eye.
There are a lot of people walking around with very small eye problems, for example an eye muscle
imbalance. Under normal situations, the brain can get used to their eyes so they can see things normally.
But when they are watching a 3D movie, the images projected to their eyes can't be put together by their
brain.
So the brain needs to work harder at "reading" the images. That makes it easier for these people to get
dizzy or develop headaches.
Dr John Hagan, an eye doctor in Kansas City, said some people who do not see depth normally cannot
see in 3D at all. He said people whose eyes can' t focus on (聚焦) the same object at once will have trouble
seeing 3D images.
It's a popular movie this year. It is three-dimensional (3D), so you may have to wear a special pair of
glasses to see it. The 3D glasses make the images (图像) from the movie look like they are coming straight
at you.
More and more 3D movies are coming to theaters. Some say that 3D TV sets will come into our homes
in the near future. Three-dimensional technology can make TV and movies more exciting. But people with
eye problems may get headaches if they spend too much time watching 3D movies. Why?
When we look at an object, each eye sees it at a different angle (角度). Our eyes send the two images
to our brain, and the brain puts them together. That' show we see depth.
Three-dimensional technology uses two film projectors (投影机). One projects a left eye image and the
other projects a right eye image. 3D glasses allow us to see a different image in each eye.
There are a lot of people walking around with very small eye problems, for example an eye muscle
imbalance. Under normal situations, the brain can get used to their eyes so they can see things normally.
But when they are watching a 3D movie, the images projected to their eyes can't be put together by their
brain.
So the brain needs to work harder at "reading" the images. That makes it easier for these people to get
dizzy or develop headaches.
Dr John Hagan, an eye doctor in Kansas City, said some people who do not see depth normally cannot
see in 3D at all. He said people whose eyes can' t focus on (聚焦) the same object at once will have trouble
seeing 3D images.
1. When we wear a pair of 3D glasses, _____.
A. our brain will get a different image from each eye
B. our brain will put the different objects together
C. our eyes will focus on the same object easily
D. our eyes will see an object at the same angle
B. our brain will put the different objects together
C. our eyes will focus on the same object easily
D. our eyes will see an object at the same angle
2. What does the underlined words "normal situations" mean?
A. When people see things normally.
B. When people have no eye problems.
C. When people don't have a headache.
D. When people aren't seeing a 3D movie.
B. When people have no eye problems.
C. When people don't have a headache.
D. When people aren't seeing a 3D movie.
3. What does the writer want to tell us in this passage?
A. Seeing 3D movies can bring us eye problems.
B. Not all the people can watch 3D images.
C. The 3D glasses make the movie seem alive.
D. The 3D movies will be very popular soon.
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B. Not all the people can watch 3D images.
C. The 3D glasses make the movie seem alive.
D. The 3D movies will be very popular soon.
| 完形填空。 |
| Some children want to be writers when they grow up. It means that they want to 1 stories or books for people to 2 . That sounds nice. It is 3 to write something for people! But they should 4 that they need to be good readers 5 before they are really good writers. They should read a lot of books and read 6 hours every day. They can not spend much time watching TV or playing games when they are 7 . If you are a good reader, it doesn't 8 you a long time to do the reading. Then you have time to read many other 9 for fun. Before you decide to be a good writer, you'd better say to 10 "I must read and read more and more!" |
| ( )1. A. learn ( )2. A. read ( )3. A. well ( )4. A. teach ( )5. A. first ( )6. A. in ( )7. A. busy ( )8. A. spend ( )9. A. games ( )10. A. yourself |
B. look at B. see B. good B. listen B. last B. during B. crowded B. act B. books B. teacher |
C. write C. watch C. healthy C. make C. then C. of C. free C. take C. movies C. people |
D. find D. look D. funny D. know D. still D. for D. necessary D. depend D. homework D. himself |
| 完形填空。 | ||||
| I like movies best. Lastweek, I saw a movie calledRobot. It 1 us a storyabout the future with robots. It is the year of 2035and people can see robotseverywhere. Robots can helppeople do a lot of things, like looking 2 theold people or babies, washing, cooking,cleaning or taking dogs for a 3 . Robots doeverything people ask them to do. But apoliceman 4 Spooner doesn't like robots.Because he doesn't think that people can livewell 5 robots. One day a scientist killshimself. He leaves a robot. Some time laterSpooner finds 6 is wrong with the robots inthe world. A 7 robots have their ownthoughts and want to control the people. If therobots succeed, it will be very 8 forpeople. Susan is another scientist working onrobots. Finally, Susan and Spooner decide 9 work together to fight against theserobots. At last, they succeed. People control therobots again. I think the movie is veryinteresting. 10 you have interest in it, whynot go and see it? | ||||
| ( )1. A. tells ( )2. A. at ( )3. A. wash ( )4. A. name ( )5. A. and ( )6. A. nothing ( )7. A. little ( )8. A. dangerous ( )9. A. on ( )10. A. When |
B. says B. after B. rest B. Call B. with B. anything B. lot B. lucky B. with B. If |
C. speaks C. for C. walk C. calling C. without C. something C. few C. danger C. to C. Because |
D. talks D. up D. meal D. called D. or D. everything D. lots D. exciting D. for D. As | |
Listening to an Ipod, playing loud video games and going to see the movies are harmful to your hearing. ___71____
Block(堵住)，walk and turn—that’s what hearing scientists want you to do when you face a loud noise. Block the noise from entering your ears. 72 And turn it down.
About 15% of all school-age children live with some hearing loss. And it’s a growing problem. _ 73
Block It Out!
74 It starts at zero. Sounds that are too loud or sounds that last too long can harm the inner ear’s hair cells (细胞)。 Most people don’t know that listening to headphones at full volume(音量) is harmful. So turn down the volume and protect your ears.
What’s Too Loud?
75 And 60 decibels is totally safe.
|
A. A 2011 study by Harvard Medical School found that teenage girl have more hearing problems than teenager boys. B. Your body might try to warn you when a sound is too loud to be safe. C. Walk away from it. D. Loud noise can break the inner ear, but we can avoid the noise pollution. E. the sound unit is decibel(分贝)。 |
查看习题详情和答案>>
Listening to an Ipod, playing loud video games and going to see the movies are harmful to your hearing. ___71____
Block(堵住)，walk and turn—that’s what hearing scientists want you to do when you face a loud noise. Block the noise from entering your ears. 72 And turn it down.
About 15% of all school-age children live with some hearing loss. And it’s a growing problem. _ 73
Block It Out!
74 It starts at zero. Sounds that are too loud or sounds that last too long can harm the inner ear’s hair cells (细胞)。 Most people don’t know that listening to headphones at full volume(音量) is harmful. So turn down the volume and protect your ears.
What’s Too Loud?
75 And 60 decibels is totally safe.
Block(堵住)，walk and turn—that’s what hearing scientists want you to do when you face a loud noise. Block the noise from entering your ears. 72 And turn it down.
About 15% of all school-age children live with some hearing loss. And it’s a growing problem. _ 73
Block It Out!
74 It starts at zero. Sounds that are too loud or sounds that last too long can harm the inner ear’s hair cells (细胞)。 Most people don’t know that listening to headphones at full volume(音量) is harmful. So turn down the volume and protect your ears.
What’s Too Loud?
75 And 60 decibels is totally safe.
| A. A 2011 study by Harvard Medical School found that teenage girl have more hearing problems than teenager boys. B. Your body might try to warn you when a sound is too loud to be safe. C. Walk away from it. D. Loud noise can break the inner ear, but we can avoid the noise pollution. E. the sound unit is decibel(分贝)。 |