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1、2021年天津市高考英语总复习:阅读理解1. As doctors and nurses struggle for medical supplies to fight the coronavirus pandemic, help is coming from an unlikely place - high school students.The Career Technical Education Charter （CTEC） High School, US, has been utilizing （利用）its nine 3D printers to make face shields （
2、防护面罩）for healthcare workers on the frontline.Face masks have been particularly challenging to find across the US since the outbreak. Gavin Newsom, Governor of the State of California, announced recently that the state is set to spend $ 1 billion （about 7 billion yuan） to purchase 200 million masks e
3、ach month to boost its supply.Valerie Castro, 16, a CTEC sophomore, is part of a team of teachers and students who came up with design tweaks （改进）that cut almost 30 minutes off the time it takes to build a face shield.Thats what makes this school kind of different, she said. Even though all these ba
4、d things are happening, were able to make an impact positively. Its like leaving your little mark on the world.Makerbot, a New York - based company that makes 3D printers, has also helped CTEC to maximize the building process.Theyve been churning out （大量生产）nearly 100 shields each day, and that produ
5、ction rate is set to triple as 20 more 3D printers come online at the school.CTEC staff and students have provided masks to hospitals, dentists, urgent care centers and retirement homes in Fresno County and the surrounding areas in California.I was shocked, Stacy Vohra told school staff in a video.
6、We were so thrilled to have the donation from CTEC. This is something that weve been needing.The entire staff has switched from daily teaching to face shield production, said Jonathan Delano, director of CTEC.When the new 3D printers arrive, some of them will go to students houses so kids can help w
7、ith the hands - on process,Delano said.Thats how we get through these things, Delano said. Our high school focuses on giving back to the community. Students should know the skills they hold can have an impact on a community. ”(1) What sets The Career Technical Education Charter High School apart, ac
8、cording to Castro? A. They joined healthcare workers on the frontline.B. They donated about 200 million masks in a month.C. They designed a more protective face shield.D. They made a difference in such difficult times.(2) According to Paragraph 7 what will happen when they triple their production ra
9、te? _A. They will get 20 more 3D printers from Makerbot.B. They will produce a face shield in less than 30 minutes.C. They will be able to produce about 300 face shields every day.D. They will start to sell their face shields on their schools website.(3) What does Delano think of CTECs face shield p
10、roduction? A. It has boosted the supply of masks in Los Angeles.B. It has interrupted the schools daily teaching.C. It reminds the students of the value of their skills.D. It challenges students to handle 3D printers by themselves.(4) What is the text mainly about? A. Teenagers helping design and pr
11、oduce face masks.B. 3D printing technology being used to produce face masks.C. Donations from high schools to fight the pandemic.D. A high school making contributions by producing face shields.2. LONDON (Reuters) - Organic fruit, delivered right to the doorstep. That is what Gabriel Gold prefers, an
12、d he is willing to pay for it. If this is not possible, the 26 - year - old computer technician will spend the extra money at the supermarket buying organic food.Organic product is always better, Gold said. The food is free of pesticides(杀虫剂)， and you are generally supporting family farms instead of
13、 large farms. And more often than not it is locally grown and seasonal, so it is tasty. Gold is one of the growing number of shoppers buying intothe organic trend, and supermarkets across Britain are depending on more like him as they grow their organic food business. But how many shoppers really kn
14、ow what they are getting, and why are they willing to pay a higher price for organic product? Market research shows that Gold and others who buy organic food can generally give clear reasons for their preferences - but their knowledge of organic food is far from complete. For example, small amounts
15、of pesticides can be used on organic product. And about three quarters of organic food in Britain is not local but imported to meet growing demand. The demand for organic food is increasing by about one third every year, so it is a very fast - growing market, said Sue Flock, a specialist in this lin
16、e of business.(1) More and more people in Britain are buying organic food because.A. they are getting richerB. they can get the food anywhereC. they consider the food free of pollutionD. they like home - grown fruit(2) Which of the following statements is TRUE about most organic product sold in Brit
17、ain?A. It grows indoors throughout the year.B. It is produced outside Britain.C. It is grown on family farms.D. It is produced on large farms.(3) What is the meaning of the underlined words the organic trend in the second paragraph ? A. Growing interest in organic food.B. Better quality of organic f
18、oodC. Rising market for organic food.D. Higher prices of organic food.(4) What is the best title for this news story? A. Good qualities of organic food.B. The making of organic food in Britain.C. Organic food - to import or not?D. Organic food - healthy, or just for the wealthy?3. Loneliness hurts.
19、It is psychologically distressing and so physically unhealthy that being lonely increases the likelihood of an earlier death by 26 percent. But psychologists think it hurts so much because, like hunger and thirst, loneliness acts as a biological alarm bell.On March 26, just as the C0V1D - 19 pandemi
20、c gripped the world, researchers from the Massachusetts Institute of Technology posted a report on bioRxiv. It is the first study in humans to show that both loneliness and hunger share signals deep in a part of the brain that governs very basic impulses for reward and motivation. So, our need to co
21、nnect is apparently as fundamental as our need to eat.The researchers used functional magnetic resonance imaging （fMRI） to compare brain responses to loneliness and hunger. 40 adult participants underwent a 10 - hour session depriving （剥夺） them of food and another 10 - hour session denying them soci
22、al contact. Both sessions served as a control （对照） condition for each other.The social - isolation condition was challenging to arrange. Some people are lonely in a crowd, while others enjoy solitude To induce （弓 | 起）not just objective isolation but subjective feelings of loneliness, the researchers
23、 had the participants spend their time from 9A. M. to 7 P. M. in a room at the laboratory without phones, laptops or even novels in case fictional characters provided some social support. Puzzles were allowed, as was preapproved nonfiction reading or writing.Researchers then focused on a midbrain re
24、gion called the substantia nigra, a center of dopamine （多巴胺） release involved with motivation and desire. The dopaminergic response shows a strong wanting. In the scanner, participants saw images of their preferred forms of social interaction and of their favorite foods, as well as a control image o
25、f flowers. It was then found that the substantia nigra responded only to cues of what they had been deprived of. The magnitude of the response correlated with the subjects self - reports of how hungry or lonely they were, though the feelings of hunger were consistently stronger.Finally, the research
26、ers used machine learning to confirm their findings. A software classifier trained to recognize neural patterns during fasting （斎戒）proved able to recognize similar neural patterns from the social - isolation condition even thoughit had never seen them. So there seems to be an underlying shared neura
27、l signature between the two states.Even before the COVID - 19 pandemic, an obvious next question for the work was whether different forms of social media could satisfy the need for social connection. Thoseresearchers were never able to get funding for such a study. But now it seems they will.(1) The
28、 report posted on March 26.A. is based on the social - isolation condition during the pandemicB. is the first study on the effect of loneliness on human beingsC. reflects the similarity between loneliness and hungerD. shows human need for reward and motivation(2) What is Paragraph 4 mainly about? A.
29、 Why inducing feelings of loneliness was challenging.B. How loneliness was created among participants.C. Why participants were denied access to phones.D. How researchers compared brain responses.(3 )We can infer that participants substantia nigra showed response(s) to the image of flowers.A. littleB
30、. variousC. strongD. consistent(4) What does the underlined itH in Paragraph 6 refer to? A. The neural signature.B. Fasting.C. Machine learning.D. The classifier.4. Dolphin (海豚)or not a dolphin? That is the question! You see, there are several types of dolphins. Some are saltwater dolphins while oth
31、ers are river dolphins.What are the 32 types of dolphins? When people are asking the question, they are actually referring to the saltwater dolphins in oceans and seas. The river dolphins living in fresh water are not included in these species (物种). But what would be the answer in this case if we as
32、k, Dolphin or not a dolphin? ” The answer would obviously be yes. Riverdolphins still belong to the dolphin family.Among the 32 types of dolphins, some do not actually wear the word dolphin in their names, such as the tucuxi, while others actually have the word whale as part of their names even if t
33、hey are not whales but in fact, belong to the dolphin family, for example, the melon -headed whale and the killer whale. So what would be the answer to the question dolphin or not a dolphin? in these cases? It would be yes. All these species do belong to the dolphin family.Another question that peop
34、le ask is, Are the sea animals that perform at aquariums (水 族馆)all dolphins? n So, it always seems to come back to the question, Dolphin or not a dolphin*? Well the answer is no in this case. The sea animals that perform there are not all dolphins. The beluga which people tend to think belong to the
35、 dolphin family because they show what seems like a smile, like most dolphins, are in fact a species of the whale family.Now that you read these facts about dolphins, you probably realize that certain sea animals may appear to be part of the dolphin species and that others seem to be part of the wha
36、le family but in either case, it is not obvious and can be surprising when you identify a sea animal as being a dolphin or not a dolphin. That is the question!(1) Which of the following actually belongs to the whale family? A. The tucuxi.B. The beluga.C. The killer whale.D. The melon - headed whale.
37、(2) What do we know about the majority of the dolphins? A. They perform for audience.B. They appear friendly.C. They look like whales.D. They live in fresh water.(3) What paragraph could be added about dolphins before the last paragraph if you were the author? A. The living area.B. Dolphin training.
38、C. The eating habits. D.Further identification.(4) This article can be classified as.A. popular scienceB. literary fictionC. a news reportD. a travel diary5. Experience all the most famous sights in Copenhagen with our Hop On - Hop Off and City Sightseeing tours equipped with audio guide in II langu
39、ages. Choose between three different routes that will take you through different and diverse areas of the city： The Classic Copenhagen tour, the Urban Green tour or the Colorful Copenhagen tour. It is up to you if you want to stay on board for a full ride or if you want to get off and explore sights
40、 on the way. You can hop off and on as much as you like. If you prefer a non - stop tour,thenCopenhagen Panorama is perfect for you. This tour will take you to all the main attractions. It is live guided in English and includes photo stops at The Little Mermaid, Amalienborg Palace and the Opera.Dane
41、s love being close to the water and this is no exception in Copenhagen. The water side of the city is very lively, and citizens love to spend their spare time along the canals. Explore the harbor and canals of Copenhagen with a canal tour. Choose between the classic I hour live guided Grand Tour or
42、the Hop On - Hop Off boat tour with audio guide and experience Copenhagen and its beauty from the water side.If you cant decide between bus and boat - no worries. You can get both. A ticket that combines bus and boat will give you the very best opportunity to discover Copenhagen at your own pace. Wi
43、th our combination tickets you even save money compared to buying separate tickets. A ticket to our combination tours allows you to experience all that Copenhagen has to offer from the water as well as from the land. Of course, you can freely switch between our buses and boats at various spots acros
44、s the city if you go for the hop - on hop - off option.Experience all the main attractions in the city： The Little Mermaid, the royal castleAmalienborg Palace, picturesque historical buildings like the colorful Nyhavn and feel the free spirit of Freetown Christania and the hygge at Frederiksbergs gr
45、een areas. Our buses and boats take you easily to all the top attractions in Copenhagen!(1) The text is most probably taken from.A a research paperB a text bookC.a travel brochureD.a user guide(2) What can we learn from the first paragraph? A. You can hop on a bus or boat for limited times.B. The Co
46、lorful Copenhagen tour is a non - stop tour.C. Sightseeing tours are equipped with video guide in 11 languages.D. All the main scenic spots are covered in the Copenhagen Panorama tour.(3) If you want to fully explore Copenhagen at your own pace, which might be the best choice? A. Choose the classic
47、I hour live guided Grand Tour.B. Get a combination ticket that combines bus and boat tours.C. First buy a bus ticket and then buy a boat ticket for all the attractions.D. Explore the idyllic harbor and canals of Copenhagen with a canal tour.6. Rivers are the veins of the Earth, transporting the wate
48、r and nutrients (营养物) needed to support the planets ecosystems, including human life. While many nutrients are essential to the survival of life, there is one element transported by water in rivers that holds the key to life and to the future of our planet - carbon.Carbon is everywhere and understanding the way it moves and is either released or stored by the Earth system is a complex science in itself. Carbon starts its journey downstream when natural acid rain, which contains carbon dioxide from the atmosphere, melts minerals in rocks. This helps transform carbo