题目内容
【题目】完型填空
话题 | 体裁 | 词数 | 难度 | 建议用时 |
3D技术 | 说明文 | 245 | ★★★ | 5分钟 |
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 3they 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 8picture in each eye.
While one 93D 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 D.movie
（2）A.expensive B.special C.mysterious D.strange
（3）A.like B.look like C.sound D.sound like
（4）A.So B.Because C.Though D.But
（5）A.take B.lend C.send D.fetch
（6）A.difference B.pupil C.angle D.way
（7）A.look B.look at C.draw D.color
（8）A.the same B.a similar C.a different D.an opposite
（9）A.watch B.watches C.watching D.is watching
（10）A.Whenever B.However C.Whatever D.Wherever
【答案】（1）、C
（2）、B
（3）、B
（4）、B
（5）、C
（6）、A
（7）、B
（8）、C
（9）、D
（10）、B
【解析】（1）选C。此处填sports，指中国体育运动迷。
（2）选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）选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”。
（4）选B。通过下文可知因为两瞳孔之间相距6. 5cm左右，当看事物的时候左右眼看事物的角度不同。
（5）选C。send. . . to. . . “发送”。句意为“我们的眼睛把这两张图片发送给我们的大脑……”。
（6）选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）选B。句意为“当我们看二维图片时，两眼得到相同的信息”。
（8）选C。句意为“3D眼镜使我们两只眼睛看到不同的图像”。
（9）选D。while从句用进行时。
（10）选B。由上下文可知此处表示转折，故选B。
名校课堂系列答案【题目】阅读短文，回答问题
话题 | 体裁 | 词数 | 难度 | 建议用时 |
动物保护 | 说明文 | 109 | ★★ | 5分钟 |
RIVER DOLPHIN RUNNING OUT OF TIME
The Yangtze dolphin is the only kind of dolphin that lives in freshwater all its life. Scientists say that the finless freshwater dolphin that has lived in the Yangtze River for over 20 million years, will die out in 15 years. It’s in danger of disappearing forever.
Dangers:
■Dredging(挖掘) of their habitat
■Heavy boat traffic in the Yangtze River
■Insecticide(杀虫剂) and mercury(汞)
（1）How long has the Yangtze dolphin lived in the Yangtze River?
A.For 20 million years.
B.For less than 20 million years.
C.For more than 20 million years.
D.For about 20 million years.
（2）What is NOT a danger to the Yangtze dolphin?
A.Dredging the river bed.
B.Boats in the river.
C.Insecticide and mercury.
D.Swimmers.
（3）How heavy is an adult Yangtze dolphin?
A.30 kg.
B.45 kg.
C.30 kg～45 kg.
D.75 kg.
（4）What does the Yangtze dolphin mainly eat?
A.Fish and shrimp.
B.Fish.
C.Shrimp.
D.Grass.
（5）In the first picture, the underlined word “finless” means _______ in Chinese.
A.有鳍的
B.无鳍的
C.温顺的
D.好看的
