2023名校版高考英语阅读理解精读含答案wr.docx

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1、2023名校版高考英语阅读理解精 读含答案From Latin America to Sichuan province, chili peppers and their famous burning taste have become a worldwide sensation （热门）But how could something that burns so hot possibly be any good for people?In a study by researchers at Marshall University in the Us, scientists made the fi

2、rst complete description of capsaicin （辣椒 素）一a chemical found in spicy chilis and its anti-cancer properties. Although capsaicin is not normally a good medicine due to some negative properties such as its spicy flavor, the study found that there are ways to bring out its anti-cancer benefits while o

3、vercoming these negatives.In nature, capsaicin evolved as a defense mechanism in plants to drive away unwanted animals while attracting those that could spread the seeds, such as birds which cannot taste or feel the spice. From a scientific point of view, capsaicin works by triggering a pain recepto

4、r called TRPV1, causing the body to react as if it had actually touched something hot and dangerous. Yet, this natural repellent（驱虫齐U） for most animals has insteadbecome a favorite food for many people, often called chiliheads.So, what is it that attracts humans to capsaicin, chili peppers and spicy

5、 food in general? Besides its many health benefits such as pain relief, weight loss, and body heat regulation people love eating chili peppers precisely because it hits the pain receptors in just the right way.As Scientific American noted: People seem to enjoy and actively seek outmany other sensati

6、ons . the sensation of falling provided by roller coasters or skydiving, the feelings of fear and anxiety while watching horror movies, the physical pain experienced upon jumping into icy water, or even the feelings of sadness that come while watching a tearjerker./,So, the next time you bite into a

7、 hot chili pepper, remember: its not just healthy, but fun too!32. What can we learn from the result of the study by researchers at Marshall University?A. The study describes capsaicin for the first time.B. Capsaicin contributes to the prevention of cancer.C. There is a chemical called capsaicin in

8、spicy chilis.D. The negative features of capsaicin cannot be overcome.33. How does capsaicin benefit plants?A. It stops birds from eating plants.B. It causes more seeds to be produced.C. It attracts some animals to distribute seeds.D. It helps plants survive in hot or dangerous situations.34. How do

9、es the author prove spicy food is fun?A. By illustration.B. By statistics.C. By comparison.D. By definition.35. What is the passage mainly about?A. Why some people enjoy spicy food.B. How chili peppers are so burning.C. How plants benefit from capsaicin.D. Where capsaicin can be found.BCCAAmerican A

10、irlines announced an agreement in mid-August to buy 20 supersonic Overture planes from Boom Supersonic, a US-based start-up company focused on the production of supersonic commercial aircraft.The Overture is planned to transport between 65 and 80 passengers at speeds of over 1.7 times that of the sp

11、eed of sound (,235 km/h) - twice that of the fastest traditional commercial airplane on the market today.The idea of riding aboard a plane at supersonic speeds might seem like a scary one; but, in fact, it might even be smoother than flying on a traditional airplane.Most commercial airliners fly bet

12、ween 11.5 and 12 kilometers high in the sky, but the Overture will fly at about 18.29 kilometers by comparison. The higher a plane flies, the thinner the air is, resulting in less turbulence (颠簸).As Lourdes Maurice, a mechanical engineer and advisor to Boom Supersonic, remarked about her supersonic

13、flight on the Concorde, the Overtures predecessor: Climbing to 60,000 feet (about 18.29 km) was incredibly smooth. There was no turbulence. We knew we were flying supersonically, but our bodies didnt give us any signs.”Since the first supersonic flight by the US Air Force in October 1947 and the fir

14、st commercial supersonic flight in 1976, the promise of supersonic flight has been an alluring goal; yet, the path forward has seen many obstacles. The biggest problem is that massive, powerful sound waves called sonic booms are created when an object breaks the sound barrier.Similar to thunder, the

15、se sonic booms are difficult to ignore when flying over residential areas. Besides noise pollution, the use of supersonic aircraft has also been criticized for is huge fuel consumption and greenhouse gas emissions, resulting in bans on supersonic commercial flights in many countries.Since the last c

16、ommercial supersonic flight of the Concorde in 2003, the dream of supersonic travel appeared dead. However, with improvements being made to supersonic plane designs and fuel efficiency, the dream could come back to life once more.28. What do we know about the Overture?A. It will fly as high as 1829

17、feet.B. It will travel much faster than sound.C. It will carry out the first supersonic flight.D. It will fly at twice the speed of traditional planes.29. Which is the main factor that determines a planes stability?A. Its flight altitude.B. Its top flight speed.C. Its carrying capacity.D. Its abilit

18、y to reduce turbulence.30. What does the underlined word alluring“ mean in paragraph 6?A. ScientificB. Inviting.C. Demanding.D. Essential31. Which of the following needs improving most about supersonic fight?A. Huge fuel consumption.B. High development costs.C. Excessive noise generation.D. High greenhouse gas emissions.Babc