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题型:语法填空(语篇) 题类: 难易度:困难

外研版(2019)必修 第二册Unit 6 Earth first重点单词变形,语法,短语,句型练习

阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

Beijing is the capital city of China. It  (cover) an area of around 17, 000 square kilometers, in which there are different kinds of bird habitats (栖息地),  (include) grassland, scrubland (灌木丛林地), wetland, and also agricultural land. Researchers call these areas "service stations," where migrating (迁徙) birds stop  (rest) and feed. But the birds ‘"service stations" re  (rapid) closing in Beijing, as the city considers scrubland, grassland and old agricultural land to be "dirty" and "ugly". 

The loss of grassland and scrubland is already having a major influence  Beijing's bird life. In the north of Beijing, the land around Miyun used to be visited by thousands of cranes (鹤). Now, much of that land is covered with man-made forest and  number of cranes there has greatly fallen. 

"Cranes are rare and valuable animals in China. At Miyun, a festival  (hold) to celebrate the migration of cranes every year," one researcher, Townshend, says. "Because it is Beijing, we can attract many people—both local people  visitors."

"More cooperation (合作) between  (country) is needed," Townshend adds. "Migratory birds are a shared natural heritage (遗产), and with this comes a common  (responsible) to protect them and the places they need," he says.

举一反三
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    Before you begin studying English, ask yourself one question: “ {#blank#}1{#/blank#} ” Is it because you want to, or because someone else wants you to? Like every decision in life, studying English must be something you want to do. Here are some tips to help you learn English well.

●Set goals.

    If you know why you want to study, setting goals is easy. For example, maybe you want to travel to an English-speaking country. Great! {#blank#}2{#/blank#} Perhaps you have already known many useful phrases, but you want to improve your listening skills and pronunciation. Whatever your goals are, you should write them down,

{#blank#}3{#/blank#}

    How long do you need to study to achieve your goals? This answer is different for every student. {#blank#}4{#/blank#} If you work 40 hours per week,don't plan on spending another {#blank#}5{#/blank#} hours a week studying English. Start off slow, but study regularly. Use material that is challenging, but not too difficult. Find out what works for you. After you have studied for a few weeks, adjust your study schedule accordingly.

●Make a commitment.

    Learning English requires a lot of motivation. Nobody is going to take your attendance when you aren't in class. If you are sure that you are ready to begin studying, make a commitment.

●Have fun learning English.

    If you aren't having fun learning English, you're not studying the right way! You can be a serious student who has fun at the same time. Make up your own reward program to give yourself encouragement to stay on a task.

A. Make an arrangement.

B. Why do I want to study English?

C. Your goal might be to learn “Survival English”.

D. The important thing is to be realistic and reliable.

E. What is the most effective way of learning English?

F. The things we do best in life are what we enjoy doing.

G. Make every moment of your English learning meaningful.

阅读理解

    Imagine being a crew member, hundreds of years ago, sailing in southern waters. Your captain is searching for food while exploring unfamiliar waters. Your job is to watch the sea off the ship's side for ice. The wind is cold on your face. Alongside the ship, a fish darts past. Another slows to a stop and raises its head above the water to look at you. How could a fish do that?

    Did the sailors see fish with feathers or swimming birds? Today, we know that the sailors saw birds that developed the ability to swim. Their wings became flippers, and they could “fly” through the water with amazing speed.

    There are many types of penguins. Only two kinds raise their young on the continent of Antarctic. Adelie penguins grow up to 29 inches tall and have a white ring around each eye. Emperor penguins have yellow orange color near their necks. Standing about 35 inches tall, they are the tallest penguins living today.

    Emperor penguins have nests on top of their feet. Father Emperor penguins keep the egg on top of their feet for more than two months, until the egg is ready to hatch. The mother penguin goes out for food during that time. Imagine holding an egg on your feet for two months until someone returns with food!

    Male and female penguins are both good parents. Once the chicks hatch, both parents travel long distances to find food for them in the sea. It may be days before the parents return and the chicks eat again. When they return with food, the fun really begins. Chicks chase their parents, begging for food. Penguin chicks eat huge amounts at one time.

    Eventually, the adult penguins stop feeding the chicks. This is nature's way of forcing children to grow up. When the penguin chicks are hungry enough, they find their way to the sea. Without any swimming lessons, they make their way into the icy waters and swim as only penguins do.

阅读理解

    Travis is the manager of G&G where he is responsible for forty employees (雇员)and profits (利润) of over $2 million per year. He's never late to work. He does not get upset on the job. When one of his employees started crying after a customer screamed at her, Travis took her away. "Your working uniform is your shelter," he told her. "Nothing anyone says will ever hurt you. You will always be as strong as you want to be."

    Travis picked up that lecture in one of his G&G training courses, an education program that began on his first day and continues throughout an employee's occupation. The training has, Travis says, changed his life. G&G has taught him how to live, how to focus, how to get to work on time, and how to master his emotions (情绪). Most importantly, it taught him willpower.

    At the center of that education is an extreme focus on an all-important habit; willpower. Dozens of cases show that willpower is the single most important habit for a person's success.

    And the best way to strengthen willpower is to make it into a habit. "Sometimes it looks like people with great self-control aren't working hard—but that's because they've made it automatic," Angela Duckworth, one of the University of Pennsylvania researchers said. "Their willpower occurs without them having to think about it."

    The company spent millions of dollars developing programs of study to train employees on self-control. Managers wrote workbooks that serve as guides to how to make willpower a habit in workers' lives. Those courses arc, in part, why G&G has grown from a sleepy company into a large one with more than seventeen thousand stores and profits of more than $10 billion a year.

阅读理解

For some people, music is no fun at all. About four percent of the population is what scientists call "amusic." People who are amusic are born without the ability to recognize or reproduce musical notes (音调). Amusic people often cannot tell the difference between two songs. Amusics can only hear the difference between two notes if they are very far apart on the musical scale.

As a result, songs sound like noise to an amusic. Many amusics compare the sound of music to pieces of metal hitting each other. Life can be hard for amusics. Their inability to enjoy music sets them apart from others. It can be difficult for other people to identify with their condition. In fact, most people cannot begin to grasp what it feels like to be amusic. Just going to a restaurant or a shopping mall can be uncomfortable or even painful. That is why many amusics intentionally stay away from places where there is music. However, this can result in withdrawal and social isolation. "I used to hate parties," says Margaret, a seventy-year-old woman who only recently discovered that she was amusic. By studying people like Margaret, scientists are finally learning how to identify this unusual condition.

    Scientists say that the brains of amusics are different from the brains of people who can appreciate music. The difference is complex, and it doesn't involve defective hearing. Amusics can understand other nonmusical sounds well. They also have no problems understanding ordinary speech. Scientists compare amusics to people who just can't see certain colors.

Many amusics are happy when their condition is finally diagnosed (诊断). For years, Margaret felt embarrassed about her problem with music. Now she knows that she is not alone. There is a name for her condition. That makes it easier for her to explain. "When people invite me to a concert, I just say, ‘No thanks, I'm amusic,'" says Margaret. "I just wish I had learned to say that when I was seventeen and not seventy."

阅读理解

    New research brings some good news for lovers of spicy(辛辣的) foods, after finding that eating hot red chili peppers might help to extend lifespan(寿命).

    Consuming hot red chili peppers might reduce death risk, say Chopan and Littenberg from the research team. In hot peppers, such as Mexico peppers, the strong flavor comes from a compound(复合物), which does not exist in sweet peppers or onions. Studies have suggested that this compound can offer a welth of health benefits.

    A study of more than 16,000 people in the United States revealed that individuals who consumed red chili peppers had a lower risk of death from all causes over an average of 18 years than those who did not eat the spicy food. Compared with participants who did not consume hot red chili peppers, those who did were found to be at 13 percent reduced risk of all-cause death.

    For example, a recent study reported by Medical News Today, found that the compound might have the potential to stop breast cancer, while an earlier study linked the compound to a reduced risk of digest system cancers. Still, the available data suggested that hot red chili pepper consumption was most strongly associated with a reduced risk of death from heart disease.

    While the researchers are unable to identify the concrete compound by which red chili peppers might extend lifepan, the team says that it is likely due to the compound that is effectively against obesity(肥胖症).

    Overall, the team says that these latest findings support those of the 2015 study, linking spicy food intake to reduced risk of death by showing “a significant decrease in death associated with hot red chili pepper consumption.” However, Chopan and Littenberg note that the earlier study was only conducted in Chinese adults, so the now research makes these findings more credible.

阅读理解

    Who can think of the race between the tortoise and the rabbit when it comes to the greatest races? Sure, that race only took place in ancient Aesop's mind, but while the great modern races can teach us a lot about commitment, perseverance (毅力) and the virtues of having a rather large engine, "The Tortoise and the Rabbit" may tell us everything about animals and even vehicles on this planet.

    In a study published this week, Adrian Bejan, a professor of mechanical engineering, concludes that no one should be surprised that the tortoise wins over the seemingly speedier rabbit. In fact, after analyzing the reported speeds of land-air-and-water-based animals, Bejan concludes that the world's well-known speedsters are actually among the slowest when their movements are averaged out over the course of a lifetime.

    The study builds on Bejan's previous research showing that an animals speed increases with mass regardless of species. And that principle can also be extended to non-living things, like aircraft.

    After studying data from historical airplane models, Bajan noted the speed of each model increased with its size, too. That doesn't sound right. What about the modern jet fighter? How is that relatively small craft not faster than a clumsy large transport plane?

    Again, Bejan harks back to the tortoise. That transport plane spends lots of time in the air, moving regularly across long distances. The fighter jet, on the other hand, may fly across the sky occasionally, but-like the rabbit-it's often found resting on the ground.

    The slow and steady transport plane wins the marathon of life.

    But like so many good stories, Aesop's tale offers even more than a lesson in perseverance.

    At one point, the rabbit asks the tortoise how he expects to win a race at such a slow pace.

    The tortoise—ever focused—doesn't respond But it's the rabbits own words that provide the moment to reflect on, especially in modem times.

    "There is plenty of time to relax," Until there isn't.

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