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题型:阅读选择 题类:常考题 难易度:困难

仁爱科普版九年级下Unit 6 Topic 1 I would rather watch TV plays than sports shows.同步练习

根据短文内容,选择正确答案。

      Have you seen Avatar(《阿凡达》)? It's a popular 3D movie, and you may have to wear 3D glasses to see it. The 3D glasses make the images(图像)from the movie look as if they were coming straight towards 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. 3D technology can make TV and movies are more exciting. However, people with eye problems may get headaches if they spend too much time watching 3D movies. Why?

      When we look at an object(物体), each eye sees it at a different angle(角度). Our eyes send the two images to our brain(大脑), and the brain puts them together. 3D 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. So, when we are watching a 3D movie, our brain can't put together the images sent to our eyes. The brain needs to work harder at “reading” the images. That makes it easier for people with eye problems to get dizzy(头晕的) or have headaches. A famous eye doctor said if your eyes can't focus(聚焦) on the same object at once, you will have trouble watching 3D movies.

(1)、According to the passage, Avatar is a ______.

A、digital camera B、digital TV set C、3D movie D、4D movie
(2)、The 3D glasses can make the images from the movie ______.

A、look more beautiful than usual B、look as if they were coming straight towards you C、look as if they were far away from you D、look more clear than usual
(3)、People will have ______ in their homes in the near future.

A、3D computers B、3D phones C、3D movies D、3D TV sets
(4)、When we look at an object, ______.

A、each eye sees the object at the same angle B、our brain puts the two different pictures together C、there will be two film projectors in our eyes D、our brain can't put together the images sent to our eyes
(5)、If you wear a pair of 3D glasses, ______.

A、you will see different images in both eyes B、your brain can't work at all C、the images can be put together easily by your brain D、our brain can put the images together
举一反三
 阅读短文,从方框内所给的选项中选出可以填入空白处的最佳选项,其中有一个多余的选项。

Today, people all over the world have the same hobbies, watch the same movies, and wear the same clothes. {#blank#}1{#/blank#}

In the East, it can take a long time to become someone's friend. People are very close to their friends. When people from the West meet you, they will call you a friend right away. {#blank#}2{#/blank#} When people from the East meet you, they often ask questions. They want to know about your age and your family. To people from the West, these are not polite questions. They don't like to talk about these personal things. 

{#blank#}3{#/blank#} In the East, family is always a part of life. Kids there live with their parents for a long time. They still listen to them after they grow up. 

However, in the West, independence (独立) is very important. Parents prepare their kids for life. Then, after their kids grow up, they say goodbye and leave home.{#blank#}4{#/blank#} They don't have to listen to their parents. 

In the East and in the West, people think differently too. People in the West think about small de tails (细节). They also think less and act more. In the East, people notice (注意) relationships between things. And they often keep their opinions quiet. 

A. Family is important for everyone. 

B. Parents teach you much about your life. 

C. That doesn't mean they are close to you. 

D. However, our cultures are still quite different. 

E. Later, the kids can choose to start a family or not.

 阅读下面材料,从每题所给的A、B、C、D四个选项中选出最佳选项。

Have you noticed that time seems to pass more slowly when you're waiting in a long line? But when you're playing with your friends, hours seem like minutes. Of course, time is always passing at the same speed--but why does it sometimes feel different?

A study published in the Journal of Neuroscience (神经科学杂志)can tell us the answer. Lead author Masamichi Hayashi and his research team in the US found that it has to do with neurons(神经元)in our brains that are sensitive(敏感的)to time.

The researchers measured (测量)the brain activity of 18 adults who were asked to look at a picture on a screen for a certain period of time. They were then asked to guess how long they had been looking at the picture. They were likely to guess incorrectly when they were asked to stare at the picture for very long or very short periods of time. 

After looking at their brain activity, the researchers found neurons need a certain amount of time to pass signals. When they receive repetitive stimulation(重复的刺激) (such as staring at a screen), these neurons finally get tired and don't work well. It doesn't matter whether this amount of time is long or short, as long as the stimulation is repetitive. However, other neurons still work normally, causing a different experience of time.

When you stand in line or do some other repetitive tasks, such as math homework, your time-sensitive neurons get tired and cause you to feel like time is going slowly. But when you're doing something more high-speed, such as playing soccer, you experience in the opposite way. Either way, you can't always trust your brain when it comes to your experience of time.

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