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人教版英语高二必修5 Unit 2 The United Kingdom 同步练习

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。    
 

Why Exercise Is Cool?

        1. Exercise Strengthens Muscles

        Did you ever do a push-up or swing across the monkey bars at the playground?  By using your muscles to do powerful things, you can make them stronger. For older teens and adults, this kind of workout can make muscles bigger, too.

        2.

        Can you touch your toes easily without yelling ouch? Most kids are pretty flexible, which means that they can bend and stretch their bodies without much trouble. Being flexible is having “full range of motion,” which means you can move your arms and legs freely without feeling tightness or pain.

        3. Exercise Keeps the Balance

        Your body needs a certain amount of calories every day just to function, breathe, walk around, and do all the basic stuff. If you're not very active, your body won't need as many calories.

        Whatever your calorie need is, if you eat enough to meet that need, your body weight will stay about the same. If you eat more calories than your body needs, it may be stored as extra fat.

        4. Exercise Makes You Feel Good

        It feels good to have a strong, flexible body that can do all the activities you enjoy—like running, jumping, and playing with your friends. It's also fun to be good at something, like scoring a basket, hitting a home run, or perfecting a dive.

        But you may not know that exercising can actually put you in a better mood. It's just another reason why exercise is cool!

A. So you want to do some aerobic (有氧的) exercise right now?

B. Food gives your body fuel in the form of calories, which are a kind of energy.

C. When you exercise, your brain releases a chemical, which may make you feel happier.

D. Those are exercises that can build strength.

E. Exercise Makes You Flexible

F. Exercise Makes Your Heart Happy

G. But if you're active, your body needs an extra measure of calories or energy.

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。

The power of work stress

    Many experts believe that stress can strengthen you or tear you down. {#blank#}1{#/blank#} The followings are suggested to perform better under pressure.

Give stress a good name.

    Why hate work stress—it's a sign that our career is advancing. Think of a heavy work load as an exciting opportunity to push yourself. Don't complain about it. {#blank#}2{#/blank#} 

Alternate(交替) tasks.

    Spending an entire day or week on a single project increases your anxiety without improving your productivity. {#blank#}3{#/blank#} You need to create your working patterns to recharge. Every 60 to 90 minutes, take a break from your primary activity and do something different for 15 minutes.

Refuel.

    Tend to skip meals and pull late nights when you feel the heat at work? {#blank#}4{#/blank#} Get six to eight hours of sleep, and go to bed at the same hour every night. Avoid big meals but have high-carbon, low-fat snacks every few hours.

Overcome your fears.

   {#blank#}5{#/blank#} Often, your stress comes from worrying rather than from the work assignment or problems you're dealing with. Write down the fears in detail and methodically address each one.

A. Both could lead to burnout.

B. In fact, you may lose focus.

C. Instead, greet it with optimism.

D. In most cases, you can choose.

E. Or rather, it is the basis of success.

F. Keep work and rest in a proper balance.

G. Pressure doesn't get you down, but fear does.

阅读下面短文,根据其内容写一篇60词左右的内容概要。

    It is natural for species of animals to become extinct over millions of years. But over the past 200 years, humans have caused the process to speed up. In recent years, the total number of threatened animal species has increased from 5205 to 5345. In most cases this is a result of human activity. How are people speeding up the process of animal extinction?

    First of all, people threaten the survival of animal species by destroying their habitats. As the human population grows, people keep building houses and factories in fields and woods. As they spread over the land, they destroy animals' homes. If the animals can't find a place to live, they die out. Sixteen kinds of Hawaiian birds have become extinct for this reason.

    Overhunting is another way that humans are causing some animals to become extinct. In some parts of the world, the parts of rare animals are worth a lot of money. For example, some people will pay more than $3,000 for a single rhino horn. This encourages hunters to kill rhinos even though the animal faces extinction.

    Humans are also polluting the air, water and soil. The effect of pollution on animal species can be complicated. For example, when waste from factories is dumped into rivers, the rivers become polluted. The fish that live in the rivers are poisoned, and the birds cannot lay strong eggs. And some, such as brown pelicans, have become rare and may die out.

    Finally, when humans introduce new species into certain environments, the animals that already live there become threatened and face extinction. For example, when European settlers brought rabbits and foxes to Australia, they killed off many native Australian animals, including the bandicoots. Eventually, the rabbits took over the bandicoot habitats. Now bandicoots are threatened with extinction in their own land.

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