The 30th Olympic Games took place in London from July to August in 2012. Luckily, Chinese 1 fans could watch the exciting games in 3D on TV.
When you watch 3D movies or TV, you have to wear a(n) 2 pair of glasses. The 3D glasses make the pictures from the screen 3 they are there in the room with you.
3D means having three dimensions(维度): width, height and depth. 3D technology is similar to the way that the human brain and eyes work. 4 the pupils(瞳孔) of a person’s eyes are about 6. 5 cm apart, when we look at something, each eye sees it from a different angle (角度). Our eyes 5 the two pictures to our brain, and the brain puts them together. The small 6 between the picture from the right eye and the picture from the left eye allows us to see depth(立体感).
When we 7 pictures in two dimensions, each eye gets the same information. That is because the picture has no real depth, and there is only one way of looking at it. A 3D movie or TV needs two film projectors(放映机). One projects a left eye picture and the other projects a right eye picture. The 3D glasses allow us to see 8 picture in each eye.
While one 9 3D films, he feels that he is actually in the same environment as the things he’s watching. 10 , it also has its disadvantages. People with eye problems may get headaches if they spend too much time watching 3D movies.
1. A. ball game B. music C. sports
2. A. expensive B. special C. mysterious
3. A. like B. look like C. sound
4. A. So B. Because C. Though
5. A. take B. lend C. send
6. A. difference B. pupil C. angle
7. A. look B. look at C. draw
8. A. the same B. a similar C. a different
9. A. watch B. watches C. is watching
10. A. Whenever B. However C. Whatever
1. C。此处填sports, 指中国体育运动迷。
2. B。句意为“当看3D电影或电视时, 你必须戴上一副特殊的眼镜”。
3. B。句意为“3D眼镜使屏幕上的图片看起来就像它们在你房间里和你在一起一样”。
4. B。通过下文可知因为两瞳孔之间相距6. 5 cm左右, 当看事物的时候左右眼看事物的角度不同。
5. C。send. . . to. . . “发送……到……”。句意为“我们的眼睛把这两张图片发送到我们的大脑……”。
6. A。句意为“左右眼中图像之间的微小差别使得我们产生立体感”。
7. B。句意为“当我们看二维图片时, 两眼得到相同的信息”。
8. C。句意为“3D眼镜使我们两只眼睛看到不同的图像”。
9. C。while从句用进行时。
10. B。由上下文可知此处表示转折, 故选B。