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题型:阅读理解 题类:模拟题 难易度:普通

天津市河东区2019年高考英语一模考试试卷

阅读理解

    A food chain is a simple way of explaining how each living thing gets its food. For example, a simple African food chain might consist of three parts: first, trees and bushes; second, giraffes; and third, lions. Each link in a food chain is food for the next link. Food chains always start with plants and end with animals.

    Plants are at the bottom of the food chain. Scientists call them producers, because they use light energy from the sun to produce food from carbon dioxide and water through photosynthesis(光合作用). Animals, unlike plants, can't produce their own food. Instead, they must eat plants or other animals. This is why scientists call them consumers.

    Consumer animals fall into three categories. Herbivores(食草动物)eat only plants. Carnivores(食肉动物) eat only other animals. Omnivores eat both plants and animals. In addition to producers and consumers, there are also decomposers(分解者).These organisms, such as bacteria and fungi, feed on decaying(腐烂) matter. They help the food chain by speeding up the decaying process that releases minerals back into the soil to be absorbed by plants as nutrients.

    Most food chains have only four or five links in them. As you go up a food chain, the amount of energy at each level diminishes, because some of the energy is lost in the form of waste or is used up by the organism at the level. That is why it takes many plants, for example, to feed a few giraffes who in turn feed one lion.

    Most animals are part of many different food chains, because they must eat more than one type of food to satisfy their energy needs. All of these interconnected food chains form a more complex structure called a food web. Humans, for example, are at the center of a very complex food web, because we tend to eat many different types of plants and animals.

(1)、Which of the following tells us the African food chain?
A、Trees, giraffes and lions live on one another. B、Giraffes eat lions and lions feed on bushes. C、Lions live on giraffes and giraffes eat trees. D、Bushes live on lions and lions eat giraffes.
(2)、In the second paragraph, the author is mainly to         .
A、emphasize the importance of the plants B、compare the plants and the animals C、present the scientists' different views D、explain the producers and consumers
(3)、The underlined word “diminishes”(in Paragraph 4)probably means         .
A、changes B、decreases C、disappears D、increases
(4)、Those that may lie in the center of the food chain are           .
A、omnivores B、decomposers C、herbivores D、carnivores
(5)、What would be the best title for this passage?
A、The Types of Plants and Animals B、The Differences among the Living Things C、Three Categories of the Consumers D、The Food Chain in the Natural World
举一反三
根据短文理解,选择正确答案。

    Tom appeared on the sidewalk with a bucket of whitewash and a long­handled brush. He stopped by the fence in front of the house where he lived with his aunt Polly. He looked at it, and all joy left him. The fence was long and high. He put the brush into the whitewash and moved it along the top of the fence. He repeated the operation. He felt he could not continue and sat down.

    He knew that his friends would arrive soon with all kinds of interesting plans for the day.

    They would walk past him and laugh. They would make jokes about his having to work on a beautiful summer Saturday. The thought burned him like fire.

    He put his hand into his pockets and took out all that he owned. Perhaps he could find some way to pay someone to do the whitewashing for him. But there was nothing of value in his pockets—nothing that could buy even half an hour of freedom. So he put the bits of toys back into his pockets and gave up the idea.

    At this dark and hopeless moment, a wonderful idea came to him. It filled his mind with a great, bright light. Calmly he picked up the brush and started again to whitewash.

    While Tom was working, Ben Rogers appeared. Ben was eating an apple as he walked along the street. As he walked along it, he was making noises like the sound of a riverboat. First he shouted loudly, like a boat captain. Then he said “Ding-Dong-Dong”, “Ding-Dong-Dong” again and again, like the bell of a riverboat. And he made other strange noises. When he came close to Tom, he stopped.

    Tom went on whitewashing. He did not look at Ben. Ben stared a moment and then said: “Hello! I'm going swimming, but you can't go, can you?”

    No answer. Tom moved his brush carefully along the fence and looked at the result with the eye of an artist. Ben came nearer. Tom's mouth watered for the apple, but he kept on working.

    Ben said, “Hello, old fellow, you've got to work, hey?”

    Tom turned suddenly and said, “Why, it's you, Ben! I wasn't noticing.”

    “Say—I'm going swimming. Don't you wish you could? But of course you'd rather work—wouldn't you? Of course you would.”

    Tom looked at the boy a bit, and said, “What do you call work?”

    “Why, isn't that work?”

    Tom went back to his whitewashing, and answered carelessly.

    “Well, maybe it is, and maybe it isn't. All I know is, it suits Tom Sawyer.”

    “Oh come, now, you don't mean to say that you like it?”

    The brush continued tomove.

    “Like it? Well, I don't see why I shouldn't like it. Does a boy get a chance to whitewash a fence every day?”

    Ben stopped eating his apple. Tom moved his brush back and forth, stepped back to look at the result, added a touch here and there, and stepped back again. Ben watched every move and got more and more interested. Soonhe said,“Say, Tom, let me whitewash a little.”

    Tom thought for a moment, and was about to agree, but he changed his mind.

    “No—no—it won't do, Ben. You see, Aunt Polly wants this fence to be perfect. It has got to be done very carefully. I don't think there is one boy in a thousand, maybe two thousand, that can do it well enough.”

    “No—is that so? Oh come, now—let me just try. Only just a little.”

    “Ben, I'd like to, but if it isn't done right, I'm afraid Aunt Polly … ”

    “Oh, I'll be careful. Now let me try. Say—I'll give you the core of my apple.”

    “Well, here—No, Ben, now don't. I'm afraid …”

    “I'll give you all of it.”

    Tom gave up the brush with unwillingness on his face, but joy in his heart. And while Ben worked at the fence in the hot sun, Tom sat under a tree, eating the apple, and planning how to get more help. There were enough boys. Each one came to laugh, but remained to whitewash. By the time Ben was tired, Tom sold the next chance to Billy for a kite; and when Billy was tired, Johnny bought it for a dead rat—and so on, hour after hour. And when the middle of the afternoon came, Tom had won many treasures.

    And he had not worked. He had had a nice idle time all the time, with plenty of company, and the fence had been whitewashed three times. If he hadn't run out of whitewash, Tom would have owned everything belonging to his friends.

    He had discovered a great law of human action, namely, that in order to make a man or a boy want a thing, it is only necessary to make the thing difficult to get.

根据短文理解,选择正确答案。

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 Fatehpur Sikri (240 km/5 hours)

    Today morning after breakfast, drive to Jaipur, the capital city of Rajsthan state. Jaipur is also known as “Pink City”. En route visit Fatehpur Sikri, known as Ghost Capital. 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

    Eating too much fatty food, exercising too little and smoking can raise your future risk of heart disease.But there is another factor that can cause your heart problems more immediately: the air you breathe.

    Previous studies have linked high exposure (暴露)to environmental pollution to an increased risk of heart problem, but two analyses(分析) now show that poor air quality can lead to heart attack or stroke (中风)within as little as a few hours after exposure.In one review of the research, scientists found that people exposed to high levels of pollutants (污染物)were up to 5% more likely(可能的) to suffer a heart attack within days of exposure than those with lower exposure.A separate study of stroke patients showed that even air that the U.S.Environmental Protection Agency (EPA) considers to be of “moderate” (良好)quality and relatively safe for our health can raise the risk of stroke as much as 34% within 12 to 14 hours of exposure.

    The authors of both studies stress(强调)that these risks are relatively(相对的)small for healthy people and certainly modest compared with other risk factors such as smoking and high blood pressure.However, it is important to be aware of these dangers because everyone is exposed to air pollution regardless of lifestyle choices.So stricter regulation(规章制度)by the EPA of pollutants may not only improve environmental air quality but could also become necessary to protect public health.

阅读理解

    Alibaba opened China's version of Amazon's cashier-less store, “Tao Cafe” at its second annual Taobao Maker Festival taking place from 8—12 July, and then showed it to the public. By scanning a QR code(二维码)on Taobao app at the entrance of the store« consumers are tracked with cameras for facial recognition. After going through the checkout doors, customers will automatically make a purchase through their smartphones without needing to head to a register and be able to leave the store with what they buy in hand.

    The company, putting its efforts in Artificial Intelligence and data technologies, caused some ripples(波动)among offline retailers (零售商). But if you think the e-commerce giant plans to get a slice of the physical-store pie, then you might get it wrong: “It's not about Alibaba wanting to open more cafes, we are not in the restaurant business.” it's about digitalizing the footprints of the visitors to an offline store, '' said Chris Tung, chief marketing officer of Alibaba Group.

    He said, for example, in the online world, Alibaba can always personalize every web page based on users interest and preference thanks to big data, “When you open our app, every moment is different.” But on the other hand, “offline is becoming not so exciting anymore”, because many physical stores are always found to be very similar with no variation.

    Tung said offline retailers could improve by adopting online data competence to link the identity of the customers» and optimize(优化)their in-store shopping experience. So in this sense, after physical stores have an understanding of what their customers need online, then they can allocate the products in the physical offline store accordingly. He further explained the pop-up Tao Cafe is one of the ways to present this “new retail” idea and opens up people's thinking and calls for more partnership.

阅读理解

    It is natural that young people are often uncomfortable when they are with their parents. They say that their parents don't understand them. They often think that their parents are out of touch with modern ways, that they are too serious and too strict with their children, and that they seldom give their children a free hand.

    It is true that parents often find it difficult to win their children's trust and they tend(倾向) to forget how they themselves felt when young.

    For example, young people like to act on the spot without much thinking. It is one of their ways to show that they have grown up and they can face any difficult situation. Old people worry more easily. Most of them plan things in advance, at least in the back of their minds, and do not like their plans to be upset by something unexpected.

    When you want your parents to let you do something, you will have better success if you ask before you really start doing it.

    Young people often make their parents angry with their choices in clothes, in entertainment and in music. But they do not mean to cause any trouble; it is just that they feel cut off from the older people's world, into which they have not yet been accepted. That's why young people want to make a new culture of their own, and if their parents don't like their music or entertainment or clothes or their way of speech, this will make the young people extremely happy.

    Sometimes you are so proud of yourself that you do not want your parents to say “yes” to what you do. All you want is to be left alone and do what you like. It is natural enough, after being a child for so many years, when you were completely under your parents' control.

    If you prefer to control your life, you'd better win your parents over and try to get them to understand you. If your parents see that you have a high sense of responsibility, they will certainly give you the right to do what you want to do.

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