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题型:阅读理解 题类:常考题 难易度:普通

甘肃省会宁县第一中学2018届高三上学期英语第一次月考试卷

阅读理解

    New mercury(汞) threat to oceans from climate change

    Rising temperatures could boost mercury levels in fish by up to seven times the current rates, said Swedish researchers in an article published in Science Journal. They've discovered warming increases levels of the toxin (毒素) in sea creatures. In experiments, they found that extra rainfall drives up the amount of organic material flowing into the seas. This alters the food chain, adding another layer of complex organisms which boosts the concentrations of mercury up the line.

    Mercury is one of the world's most toxic metals, and according to the World Health Organization, is one of the top ten threats to public health. The substance at high levels has been linked to damage to the nervous system, paralysis and mental impairment in children.

    The most common form of exposure to mercury is by eating fish containing methylmercury(甲基水银), an organic form of the chemical which forms when bacteria react with mercury in water, soil or plants. Levels of mercury in the world's ecosystems have increased by between 200% and 500%, since the industrial revolution say experts, driven up by the use of fossil fuels such as coal.

    In recent years there have been concentrated efforts to limit the amount of mercury entering the environment, with an international treaty, called the Minamata Convention, signed by 136 countries in place since 2013.

Researchers hope that the Minamata treaty will be successful and countries reduce the amount of mercury that is being produced. Otherwise this discovery of a previously unknown source could have impacts for human health.

    Other researchers in the field say that the new study highlights important issues that have previously been little known.

     “This work experimentally proves that climate change will have a significant effect of methylmercury budgets in coastal waters and its accumulation in fish,” said Milena Horvat from the Jozef Stefan Institute in Slovenia.

     “This work will also help us understand the formation of mercury in fish and help reduce mercury from emission sources (primarily industrial).”

(1)、Where did Swedish researchers find warming increases levels of the toxin?
A、In the Pacific Ocean. B、On the Continent. C、In Red Sea. D、In sea creatures.
(2)、What can cause damage to the nervous system?
A、Exposure to mercury. B、Mercury at high levels. C、Methylmercury. D、The use of fossil fuels.
(3)、How does methylmercury form?
A、By limiting the amount of mercury entering the environment. B、By reducing the amount of mercury. C、When bacteria react with mercury in water, soil or plants. D、When climate change returns to normal.
(4)、What can we know from Milena Horvat's words?
A、Climate change will increase the levels of mercury in food. B、Levels of mercury in the world's ecosystems have increased by between 200% and 500%. C、The Minamata Convention has been signed by 136 countries in place since 2013. D、Mercury reduction from emission sources can be beneficial to fish.
举一反三
阅读理解

    Journey to India

    DAY 1: Arrive in Delhi

    Today arrive in Delhi, the national capital of India. Upon arrival at the airport, our company representative will meet you and transfer you to the hotel for check-in.

    Overnight at Delhi hotels

    DAY 2: Delhi—Full-day tour(old& New Delhi tour)

    Today morning have breakfast in the hotel. At 9:30, the tour guide will meet you at your hotel and later proceed for a full-day guided tour in Delhi starting with Old Delhi visiting Raj Gaht. Jama Masjid, driving past through the Red Fort. Later in New Delhi visit Humayun's Tomb, India Gate, drive past through Parliament Street and President House and visit Qutub Minar.

    Overnight at Delhi hotels

    DAY 3: Delhi-Jaipur via Fitehpur Sikri(240 km/5 hours)

    Today morning after breakfast. drive to Jaipur, the capita] city of Rajsthan state. Jaipur is also known as “Pink City”. En route visit Fatehpur Sikri, known as Ghost. Later continue the drive to Jaipur. Upon arrival, check in at the hotel. Evening: free at leisure for your own activities.

    Optional: visits to Chokhi Dhani Village Resort(US $25 per person)

    Overnight at Jaipur hotels

    DAY 4:Delhi(256 km/5 hours)

    Today morning after breakfast, drive back to Delhi airport. The total distance is 256 kms and you can cover it in 5 hours. Upon arrival in Delhi, board flight to onward journey.

    NOTE: Price starts with US $ 215 with

    Daily breakfast and soft beverages(饮料) and packaged drinking water.

    Elephant rides at Amber Fort.

    Sunset or sunrise visits to Taj MahaL

    All entrance fees to the monuments and train tickets.

阅读理解

    A car dealership in my hometown of Albuquerque was selling six to eight new cars a day. I was also told that 72 percent of this dealership's first-time visitors returned for a second visit.

    I was curious. How does a car dealership get 72 percent of its first-time visitors to return? And how can they sell six to eight cars a day in a declining car market?

    When I walked into Saturn of Albuquerque that Friday, the staff there didn't know me from Adam; yet they shared with me their pricing policy, the profit margin on every model, and staff income. They even opened their training manuals for my review and invited me back on Saturday if I wanted more information.

    On Sunday, the day after my second visit to the Saturn store, my wife, Jane, and I were walking as we frequently do. On this particular June morning, Jane gently slipped her hand in mine and said tenderly, "I don't know if you remember, but today's my fifth anniversary of being cancer-free." I was surprised, partially because I was embarrassed that I had forgotten and, partially because.... Well, I didn't know what to do with Jane's information.

    The next day, Monday, Jane went off to work teaching school. Still not knowing what to do to mark this special occasion, I did the most impetuous thing I've ever done in my life: I bought a new Saturn. I didn't pick the color or the model, but I paid cash and told them I'd bring Jane in on Wednesday at 4:30. I told them why I was buying the car.

    On Tuesday, it dawned on me that Jane always wanted a white car. I called the sales consultant at Saturn, and I asked him if he had anything white in the store. He said he had one left but he couldn't guarantee it'd still be available on Wednesday at 4:30 because they were selling so fast. I said I'd take my chances and asked him to put it in the showroom.

    Wednesday came. Unexpectedly, someone in our family was admitted to the hospital. So, it wasn't until 9:30 Saturday morning when we finally made our way to the Saturn store. Jane had never been in a Saturn store. When we went through the front door, the Lord took control of her feet and her mouth. She saw that little white Saturn coupe all the way across the showroom floor. She quickly passed a multi-colored sea of automobiles, sat in the little white Saturn and said, "Oh, what a pretty little car. Can I have a new car?" I said, "No. Not until our son graduates from college." She said, "I'm sick and tired of driving that old Dodge, I want a new car." I said, "I promise, just three more semesters and he'll be out."

    Next, Jane walked around to the front of the car. As she looked it over, she let out the most blood-curdling, shrill scream I'd ever heard in 29 years of marriage.

    Now, before I tell you why Jane screamed, let me tell you what the sales consultant had done. He had ordered a large, professionally engraved sign (white letters on blue). The sign stood alone on the hood of the little white Saturn coupe. It said "Congratulations, Jane. This car is yours. Five years cancer-free. Let's celebrate life. From Team Saturn" Every employee at Saturn of Albuquerque had signed the back of that sign.

    Jane saw it, screamed, collapsed in my arms and cried loudly. I didn't know what to do. I was in tears. I took out my invoice (发票) from the previous Monday, pointing to the white coupe, said, "No, honey, this car isn't yours. I bought you this one." I tapped the invoice with my index finger. Jane said, "No, I want this one right here."

    While this conversation was going on, there was no one in the store. The sales consultant had arranged it so that we could share the moment alone. Even so, it's impossible to have a lot of privacy when so many people are standing outside the showroom windows looking in. When Jane screamed and collapsed in my arms, I saw everybody outside applaud and begin to cry.

阅读理解

    Hilary Smith belonged to a good family. But by the age of twenty, he had spent all the money the good old family had. He then had some trouble with the bank and was put in prison. He escaped from the prison and ran to Australia without delay.

    Hilary did not like Australia and Australia did not like Hilary. What he could do seemed to be one of two things: die or work. Then he remembered that he was not alone in the world. He had an aunt.

    She was his father's only sister, but his father used to say she brought no glory to the family. Hilary, of course, tried to discover what she had done. It seemed that she had failed to marry a nobleman. Instead, she had chosen a husband who was connected with "trade". Of course as soon as she became "Mrs. Parks", her brother considered her dead. Later on, Mr. Parks died and left her a lot of money; but that did not bring her back to life in her brother's opinion.

    Hilary discovered his aunt's address. Fortunately she remained faithful and honest to him even after she fell ill. So Hilary's star shone again, and soon he moved into her house and lived as comfortably as a sailor who had just reached harbor. He had only about six pence in his pocket.

    One thing was soon clear: his aunt was seriously ill, and nothing could cure her illness. Hilary was very worried. Fate had found a home for him, and was now going to throw him out of it. There was only one thing that could save him: her will.

    "Will?" she said, "yes, I have made one. That was when I was a girl and had not much money. I left all my money to some religious people."

    "Didn't you make another will when you were married?" Hilary asked.

    His aunt shook her head. "No," she said in a low voice, "There was no need. When I finally had a lot of money, I found I had no relations."

    On the next day he went to the public library and examined a book of law. It told him what he already believed. When a woman is married, an earlier will loses its value. A new will must be made. If no new will is made, the money goes to the nearest relation. Hilary knew that he was his aunt's only relation. His future was safe.

    After a few months had passed, Hilary's problems became serious. He badly needed money. He had expensive tastes, and owed a lot of money to shopkeepers. They trusted him because his aunt was rich, but the debt was terrible.

    Unfortunately his aunt did not want to discuss money matters at all. In the end they had a quarrel about the small amount of ten pounds. Hilary was not very angry. He began to wonder about a new problem. Was it kind to want his aunt to live any longer? Was it not better for her to die now? While he was considering what to do, his aunt told him that she was going to send for her lawyer. So she was going to make a new will, Hilary thought. She might leave all her money to someone else. Soon he reached a clear decision. He must do a great kindness to the poor old woman.

    One night when the old servant who had been nursing his aunt went off, he doubled the amount of some medicine. The total amount was too great and it could just put her to sleep forever.

    "Thank you," his aunt took the glass from his hand with a grateful look." I want, more than anything, to sleep, and never to wake up again. Is that what you wish, Hilary? Don't blame me if I have some doubts about what you intended to do. Sick people get these ideas, you know. One thing I ought to explain to you. Mr. Parks never married me. He already had a wife and couldn't marry again. That made your foolish father very angry with me...Well, if I am alive tomorrow, I shall make another will in your favor. If I die tonight, you'll get nothing...No, Hilary, don't try to take the glass away. If you do that, I shall know and I don't want to know. Good night, Hilary."

    Then, very carefully, she raised the glass to her mouth and drank.

阅读理解

    This player is neither the answer to Bafana Bafana's goal-scoring problem, nor holds any hope of being in the national team for the World Cup. But Mmane Koko trains every morning and is now used to playing soccer. She said, 'Before I can do my domestic(家庭的) jobs, I go to train every morning. This helps me keep my body healthy. I started exercising after my doctor told me that exercising can keep my body healthy.'

    Mmane Koko, aged 66, said if she had been exposed to soccer at an earlier age, she would have become a top South African striker and could have stolen the limelight from Noko Matlou, who helped South Africa achieve its best ever result in the African women's soccer cup. She encourages young people to start playing sports early and to continue into their old age as it helps to lower blood pressure and prevent obesity(肥胖症).

    She added that because soccer is not only about exercising, but also helps one to put bread on the table, it could make a difference socially. She also says soccer is a business and that clubs these days pay generously. Therefore if the young take sports seriously, they can make a living out of it. But this can only happen if our government participate in developing sports and building stadiums for future generations.

    Exercise does us a lot of good as Mmane Koko says. We can live longer and feel better through exercise. It gives us energy surprisingly enough! Regular exercise reduces our risk of all kinds of disease. It can help us relieve stress and anxiety, increase our endurance(耐力) and sleep better. Exercise can contribute to our mental well-being and helps treat depression. So if you want to stay fit, keep on exercising to keep your body healthy.

阅读理解

    Crown shyness(树冠羞避) is a mysterious natural phenomenon in which the crowns of some tree species do not touch each other, but get separated by a gap clearly visible from ground level. The effect usually occurs between trees of the same species, but has also been observed between trees of different species.

    There are many theories going around, most of which make sense, but no one has been able to prove without the shadow of a doubt why some trees avoid touching each other.

    In his 1955 book Growth Habits of the Eucalypts, Australian forester M.R. Jacobs writes that the growing tips of the trees are sensitive to abrasion(擦伤), which results in crown shyness phenomenon. This theory was also supported by Dr. Miguel Franco. Some experiments have shown that if trees displaying crown shyness are artificially prevented from swinging in the wind and touching each other, they gradually fill up the gaps between them.

    But while the above theory is arguably the most widespread, it's certainly not the only one. Some scientists have suggested that crown shyness is a mechanism to stop the spreading of leaf-eating insects. These pests have been known to work together and create structures that extend up to 10 cm off of tree branches in order to reach other plants, so the gaps are the trees' natural defense method.

    One Malaysian scholar studied many trees, but found no traces of abrasions, despite their clear crown shyness. Instead, he suggests that the growing tips of the trees were sensitive to light levels and stopped growing when they got too close to other trees. Plants are able to sense how close they are to other plants and in order to get more light, they give off some chemical element to stop other trees from growing too close.

    Whatever the reason, one thing is for sure: plants are more intelligent than people used to think.

阅读短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

    Tim Berners-Lee is not the most famous inventor in the world. However, his invention has changed our lives.

    He was born in London, England in 1955.When he was a small boy, Tim was interested in playing with electrical things. He studied science at Oxford University. He made his first computer from an old television at the age of 21.

    Tim started working on early computers. At that time, they were much bigger than now. He worked in England then Switzerland. Tim was really interested in two things, computers and how the brain works. How could the brain connect so many facts so quickly? He had to work with people all over the world. They shared information about computers. It was hard to manage all the information. He answered the same questions again and again. It took a lot of time. It was even difficult for computers in the same office in Switzerland to share information. Tim also forgot things easily. Could a computer work like a brain? Could it "talk" to other computers?

    There was an Internet already but it was difficult to use. In 1989, Tim Berners-Lee invented the World Wide Web (WWW) all by himself. This had a special language that helped computers talk to each other on the Internet. When people wanted to share information with others, they used the World Wide Web. The Internet grew quickly after that.

    Tim Berners-Lee doesn't think he did anything special. He says that all of the ideas about the Internet were already there. All he did was to put them together. He says that many other people worked together to make the Internet what it is today.

    Most inventors want to become rich. But Tim gave away the World Wide Web for nothing. He now works in America. He helps people share technology and wants the Internet to be free for everyone to use. Maybe he is the most important but least famous inventor in the world today!

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