题目内容

【题目】Passage 4

4 Key Strategies for Running to Lose Weight

As one of the most active exercises out there, running is an extremely efficient way to burn calories and lose weight. A 150-pound person will burn approximately 100 calories per mile when running. 1

1. Healthy Eating is the First Step

If you want to lose weight by running, keep in mind that you’ll only lose pounds if you burn more calories than you consume. To lose a pound, you have to burn, through exercise or life functions, about 3500 calories. 2 Runners do have special nutrition needs, but the basic principles for healthy eating still apply. Try choosing smaller portions of high-fat and high-calorie foods and eating more whole grains, fruits, and vegetables.

2. Follow a training schedule

Sticking to a training schedule is a simple way to stay motivated to run. 3 So it’s much harder to postpone or skip workouts. Following a schedule can also help you avoid a running injury by not increasing your mileage too quickly.

3. Run regularly

If you don’t want to follow a schedule, you still need to have some consistency with your running because you won’t lose weight by running once a week. It’s best to get some activity every day. 4 If you find that your motivation to run is suffering, follow some necessary tips to get inspired.

4. 5

Incorporating speed work or interval training (running at a very fast speed for short intervals of time) into your running routine can also help your weight loss efforts. Speed work burns a great amount of calories in a short period of time. You’ll also increase your muscle mass, causing you to burn more calories throughout the day.

A. Keep it challenging

B. Eat for Performance

C. You’ll know exactly what you need to do every day and each run builds on the next.

D. So you’ll need to combine running with a healthy diet.

E. If you’re hoping to use running to lose weight, here’s some advice on how to be successful.

F. Here are ways to improve your running motivation.

G. But if that’s not possible, try to shoot for at least 3-4 times per week.

【答案】

【1】E

【2】D

【3】C

【4】G

【5】A

【解析

语篇解读】跑步是很好的减肥的方法,但是怎样才是正确的跑步方法,文章给出一些建议。

【1】根据上文"A 150-pound person will burn approximately 100 calories per mile when running."150磅的人跑步的时候大约燃烧100卡路里。可知这里是:如果你想通过跑步减肥,这里有些关于怎么成功的建议。故选E。

【2】根据下文"Runners do have special nutrition needs, but the basic principles for healthy eating still apply."可知这里是:你需要将跑步和健康饮食结合起来。故选D。

【3】根据上文"Sticking to a training schedule is a simple way to stay motivated to run."可知这里是:你将知道你每天要做什么,每次跑步给下一次奠定基础。故选C。

【4】根据上文"It’s best to get some activity every day."可知这里是:如果那样不可能,每周至少锻炼三四次。故选G。

【5】根据下文"Incorporating speed work or interval training"可知这里是:要保持有一定挑战。故选A。

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【题目】Passage2(2017·新课标卷IID

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说明文

当植物受到攻击时会保护自己并与周围植物交流

293

★★★☆☆

7分钟

When a leafy plant is under attack, it doesn’t sit quietly. Back in 1983, two scientists, Jack Schultz and Ian Baldwin, reported that young maple trees getting bitten by insects send out a particular smell that neighboring plants can get. These chemicals come from the injured parts of the plant and seem to be an alarm. What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short.

Scientists have found that all kinds of plants give out VOCs when being attacked .It’s a plant’s way of crying out. But is anyone listening? Apparently. Because we can watch the neighbours react.

Some plants pump out smelly chemicals to keep insects away. But others do double duty. They pump out perfumes designed to attract different insects who are natural enemies to the attackers. Once they arrive, the tables are turned. The attacker who was lunching now becomes lunh.

In study after study, it appears that these chemical conversations help the neighbors .The damage is usually more serious on the first plant, but the neighbors, relatively speaking, stay safer because they heard the alarm and knew what to do.

Does this mean that plants talk to each other? Scientists don’t know. Maybe the first plant just made a cry of pain or was sending a message to its own branches, and so, in effect, was talking to itself. Perhaps the neighbors just happened to “overhear” the cry. So information was exchanged, but it wasn’t a true, intentional back and forth.

Charles Darwin, over 150 years ago, imagined a world far busier, noisier and more intimate(亲密的)

than the world we can see and hear. Our senses are weak. There’s a whole lot going on.

【1】What does a plant do when it is under attack?

A. It makes noises.

B. It gets help from other plants.

C. It stands quietly

D. It sends out certain chemicals.

【2】What does the author mean by “the tables are turned” in paragraph 3?

A. The attackers get attacked.

B. The insects gather under the table.

C. The plants get ready to fight back.

D. The perfumes attract natural enemies.

【3】Scientists find from their studies that plants can .

A. predict natural disasters

B. protect themselves against insects

C. talk to one another intentionally

D. help their neighbors when necessary

【4】what can we infer from the last paragraph?

A. The world is changing faster than ever.

B.People have stronger senses than before

C. The world is more complex than it seems

D. People in Darwin’s time were imaginative.

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