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3D printing is becoming more and more popular. We are now able to create things we need very quickly and easily using 3D printers. But can you imagine printing food?
Some scientists are trying to revolutionize the dining experience by doing this. They hope that having a 3D printer in the kitchen will be as common as the microwave oven or blender.
Scientists say that it’ll be quite easy: you simply have to select a recipe and put the raw food ‘inks’ into the printer. You can also modify the instructions to make the food exactly how you want it. This means that it would be very quick and easy to create tasty and nutritious meals.
Using 3D printers to create your meals would also be saving the environment. There would be less need for traditional growing, transporting and packaging processes as food production would be a lot more efficient. For example, alternative ingredients(原料) such as proteins from algae, beetroot leaves and insects could be converted into tasty products.
Printing food could also help people who suffer from dysphasia (a swallowing disorder). They could program the printer to print softer versions of their favorite foods so that they would not have trouble in swallowing them.
However, some people think that a future of 3D food printing would be a disaster. It could take away many jobs, including those fro growing, transporting and packaging food. Imagine a world where there was no need for farming or growing crops and the same tastes could be printed from a raw “food ink”. Likewise, traditional cafes and restaurants might lose business. Also, there are concerns about the nutritional value of printed food: is it really possible to be get the nutrients we need from food –based inks and gels(凝胶)?
What’s more , cooking and eating together with family and friends has long been a traditional and enjoyable activity. It is hard to imagine a world where the pleasure of cooking is dead and meals can be created at the touch of a button.
1.Which of the following best describes 3D food printing?
A. Quick and popular.
B. Easy and efficient.
C. Nutritious and tasty.
D. Soft and convenient.
2.Why do some think that 3D food printing would be a disaster?
A. Traditional food would disappear.
B. Many people could lose their jobs.
C. It would affect the people’s health.
D. We could all eat the same food.
3.What can we infer from the last paragraph?
A. 3D food printing will replace traditional cooking.
B. The future of 3D food printing is uncertain.
C. It would hurt our tradition of food culture.
D. 3D food printing would be a failure.
4.Which of the following can be the best title for the text?
A. 3D food “printing”: coming to the kitchen
B. Can 3D printing create everything?
C. 3D—printing food will be in fashion!
D. The disadvantage of 3D food printing
高三英语阅读理解困难题查看答案及解析
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Now it is becoming more and more popular to chat over the Internet, because you can find it 1. _______ expensive to do that than to make a long distance call. This makes Internet chatting 2. _______ attractive option if you live far away from family and friends,3. ______ you are on a budget.
You can also complete 4. _______ tasks while chatting over the Internet. For example, you can read and reply to emails, finish typing a document, or have a conversation 5.______ someone who is in the room. This can be an advantage 6. ______ you are busy and don’t have much time for personal chatting. This can also be a disadvantage because you aren’t giving the other person or task your full attention.
Because you can do kinds of tasks7. _______ chatting on the Internet, it can become easy to lose track of time. You can end up chatting longer than you intended to, 8.______ can make it difficult to complete other tasks.
高三英语填空题中等难度题查看答案及解析
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Golf is rapidly becoming more popular. Near some towns and cities new courses are being built in ________.
A．what is farmland B．what farmland is
C．what farmland was D．what was farmland
高三英语单项填空中等难度题查看答案及解析
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Three-Dimensional （3D） movies have been becoming more and more popular in recent years．It seems 3D TV sets may be going into family households in the near future．While new digital 3D technology has made the experience more comfortable for many, for some with eye problems, long 3D viewing may result in an aching head, doctors say．
"There are a lot of people walking around with very minor eye problems, which under normal situations, the brain deals with naturally," said Dr Michael Rosenberg, an ophthalmologist （眼科医师） in Chicago．He said in a 3D movie, these people face a completely new sensory experience．"That translates into greater mental effort, making it easier to get a headache," Rosenberg told Reuters．
In normal vision, each eye sees things at a slightly different angle．"When that gets processed in the brain, that creates the perception （感觉） of depth," said Dr Deborah Friedman, an ophthalmologist in New York．The images people see in three dimensions in the movies are not calibrated （校准的） in the same way that their eyes and brain are．"If your eyes are a little off to begin with, then it's really throwing a whole degree of effort that your brain now needs
to exert （竭尽全力）," he said．
Dr John Hagan, a Kansas City ophthalmologist, said some people who do not have normal depth perception cannot see in 3D at all．He said people with eye muscle problems, in which the eyes are not pointed at the same object, have trouble processing 3D images．
Rock Heineman, a spokesman for RealD, a provider of 3D equipment to theaters, said headaches and nausea were the main reasons 3D technology never took off．
Heineman said older 3D technology used two film projectors（放映机）, one that projected a left-eye image and one that projected a right-eye image．Three-D glasses would allow viewers to see a different image in each eye．
"People often complained of headaches and it was really because the projectors weren’t lined up," Heineman said．
Now his company has developed a new single digital projector, which switches between the left and the right-eye image 144 times a second, to help overcome some of the old problems．
"By going to a single digital projector, those problems were solved," he said．Friedman said he thinks most people will do fine with 3D movies and with 3D TVs, but Rosenberg said people may quickly tire of the novelty （新鲜事物）．"I suspect there will be a lot of people who say it's sort of neat, but it's not really comfortable," he said．
1.The text is mainly about ____．
A．the reasons why people like 3D movies
B．how to improve 3D technology
C．the development of 3D technology in recent years
D．causes of headaches and nausea when people watch 3D movies
2.The underlined phrase "took off" could be replaced by "______"．
A．became popular
B．flew in the sky
C．left hurriedly
D．removed one's clothes
3.This article implies that _____．
A．people do not like new things like 3D movies
B．3D TVs will completely take the place of old TV sets
C．3D technology is the most important technology ever
D．those with eye muscle problems should not watch 3D movies
4.We can learn from what Rosenberg said in the last paragraph that
A．a single digital projector could solve all the problems with 3D technology
B．people will gradually become comfortable with 3D movies and TVs
C．the appeal of 3D movies and "TVs may fade
D．most people will actually enjoy the 3D experience
高三英语阅读理解中等难度题查看答案及解析
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C
There is not enough oil in the world now. As time goes by, it becomes less and less, so what are we going to do when it runs out? Perhaps we will go back to using horses, carriages and bicycles.
In the Second World War, some people didn’t use gas made from petroleum (石油) in their cars. They made gas from wood and plants instead. The car didn’t go fast, but they ran, so this was better than nothing. However, in the future, we can’t cut down all our trees to make gas; we need our trees for other things, too.
Besides different types of gas, we can also use electricity to run our cars, but first we must make the electricity! Some countries have coal and they make electricity with that, but we might not always have coal, either. Other countries have big, strong rivers, and they can use the power of water to turn turbines (涡轮机) and make electricity more easily and cheaply.
We are also able to get power from the ocean tides. We put turbines into the mouth of the river. Then the tide comes in, the water turns the turbines and then it goes out, it turns them again.
Which of these ways will be used to run our cars in the future?
49. When might people have to go back to using horses and carriages?
A. When they are poor. B. When they run out of oil.
C. When they need more exercise. D. When there aren’t any big trees in the world.
50. What did some people use to make gas in the Second World War?
A. Water B. Coal C. Wood and plants D. Tides
51. How many ways are suggested to make electricity in the passage?
A. 2 B. 5 C. 4 D. 3
52. The passage is mainly about ________ .
A. how to run our cars B. what to do when oil runs out
C. different types of gas D. the ways to make electricity
高三英语阅读理解简单题查看答案及解析
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Green products are becoming more and more popular because they are environmentally_______.
A.friendly B.various C.common D.changeable
高三英语单项填空中等难度题查看答案及解析
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Green products are becoming more and more popular because they are environmentally ________.
A. friendly B. various' C. common D. changeable
高三英语单项填空中等难度题查看答案及解析
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Green products are becoming more and more popular because they are environmentally________。
A. friendly B. various C. common D. changeable
高三英语单项填空简单题查看答案及解析
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As computers become more and more popular in China, Chinese are increasingly relying on computer keyboards to input Chinese characters. But if they use the computer too much, they may end up forgetting the exact strokes(笔画) of each Chinese character when writing on paper. Experts suggest people, especially students, write by hand more.
Do you write by hand more or type more? In Beijing, students start using a computer as early as primary school. And computer dependence is more widespread among university students. Almost all their assignments and essays are typed on a computer. All the students interviewed say they usually use computers.
It's faster and easier to correct the mistakes if using a computer. And that’s why computers are being used more and more often in modern education. But when people are taking stock in computers increasingly, problems appear.
“When I'm writing with a pen, I find I often can’t remember how to write a character, though I feel I'm familiar with it.”
“I'm not in the mood to write when faced with a pen and paper.”
Many students don’t feel this is something to worry about. Now that it's more convenient and efficient to type on a computer, why bother to write by hand?
Many educators think differently. Shi Liwei , the headmaster of a famous primary school in the capital said, “Chinese characters enjoy both practical and aesthetic (审美的) value. But those characters typed with computer keyboards only maintain their practical value. All the artistic beauty of the characters is lost. Besides, handwriting contains the writer's emotion. Through one's handwriting, people can learn one's thinking and personality. Beautiful writing will give people a better first impression.”
To encourage students to write more, many primary schools in Beijing have made writing classes compulsory and in universities, some professors are asking students to turn in their homework and essays written by hand.
1.Which of the following can be the best title for the passage?
A．The Importance of Typing
B．Practical and Aesthetic Value of Chinese Characters
C．Writing by Computer Will Replace Writing by Hand
D．To Type or to Write by Hand
2.The students interviewed prefer to type on a computer mainly because_______.
A．they can correct the mistakes quickly and conveniently
B．they are usually asked to e-mail their homework and essays
C．they find it hard to remember how to write a character
D．computers have become a trend and fashion in China
3.Which of the following statements is NOT true about advantages of handwriting?
A．Handwriting contains the writer's emotion.
B．Handwriting can impress people well and build their self-confidence.
C．The writer's thinking and personality are shown in his or her handwriting.
D．Chinese characters enjoy both practical and aesthetic value.
4.The underlined phrase in Paragraph 3 probably means________.
A．getting bored with B．becoming crazy about
C．becoming dependent on D．getting curious about
高三英语阅读理解中等难度题查看答案及解析
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T-shirts out; uniforms in
School uniforms（制服） are becoming more and more popular across the U.S.A. That’s no surprise, because they offer many benefits. They immediately end the powerful social sorting and labeling (标记) that come from clothing. If all students are dressed in the same way, they will not pay too much attention to their clothing, and some of them will not be laughed at for wearing the “wrong” clothes.
Some people are against the strict rule of school uniforms, but they do not realize that students already accept a kind of rule — wanting to look just like their friends. The difference is that the clothing students choose for themselves creates social barriers(障碍); school uniforms tear those barriers down.
As in other places, uniforms remind the wearers of their purposes and duties. For example, when a man or woman puts on a police uniform, he or she becomes, for a time, the symbol (象征) of law and order. The uniform means to the wearer his or her special duties and sends the same message to everyone the wearer meets. People with different jobs wear uniforms of one kind or another. For students, the school uniform reminds them that their task for the six or seven hours they are in school is to get an education.
Some parents are unhappy about uniforms, saying that school uniforms will affect their children’s “creativity.” First, the clothes students choose to wear do not necessarily express their individuality (个性). They just copy their classmates. Second, students have the rest of the day to be as creative as they like. While they’re in school, their job is to master reading, writing, and maths; this should take up all the creativity they have. Mastery of those skills will be good for the students to build up their creativity in every way.
1.From the passage we learn that uniforms in general.
A. prevent the wearers from being laughed at
B. help the wearers keep their duties in mind
C. are seen as a symbol of power
D. help to create social barriers
2.Some people are against school uniforms because.
A. they fail to realize that students have accepted the uniforms
B. they believe that uniforms will make students less creative
C. they don’t agree that uniforms can remove social barriers
D. they think that school uniforms are too popular
3.The author would probably agree that.
A. it makes no difference whether to wear school uniforms or not
B. students’ individuality may not come from school education
C. students’ creativity is related to the clothes they choose
D. school uniforms help to create equality among students
4.School uniforms are becoming more and more popular and important because _____
A. they can stop the powerful social sorting and labeling.
B. if all students are dressed in the same way, they will not pay too much attention to their clothing.
C. uniforms can remind the wearers of their purposes and duties
D. school uniforms will affect their children’s creativity.
高三英语阅读理解中等难度题查看答案及解析