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题型:阅读理解-阅读单选 难度:0.4 引用次数:153 题号:14666544

Not long ago, my wife and I tried a new diet—not to lose weight but to answer a question about climate change. Scientists have reported that the world is heating up even faster than they predicted just a few years ago. The consequences, they say, could be severe if we don’t keep reducing emissions of carbon dioxide (CO₂) and other greenhouse gases that are trapping heat in our atmosphere. But what can we do about it as individuals? And will our efforts really make any difference?

We decided to try an experiment: For one month we would track our personal emissions of CO₂ to see how much we could cut back. The average U.S. household produces about 80 kilos of CO₂, a day by doing commonplace things like turning on air conditioning or driving cars. This is more than twice the European average and almost five times the global average. But how much should we try to reduce?

I checked with Tim Flannery, author of The Weather Makers: How Man Is Changing the Climate and What It Means for Life on Earth. In his book, he challenged readers to make deep cuts in personal emissions to keep the world from reaching critical tipping points, such as the melting of the ice sheets in Greenland or West Antarctica. “To stay below that limitation, we need to reduce CO₂ emissions by 80 percent,” Tim Flannery said. “That sounds like a lot,” my wife said. “Can we really do that?”

It seemed unlikely to me, too. How close could we come to a lifestyle the planet could handle? Finally, we agreed to aim for 80 percent less than the U.S. average: a daily diet of about 13 kilograms of CO₂. Our first challenge was to find ways to convert our daily activities into kilos of CO₂ so that we could change our habits if necessary.

To get a rough idea of our current carbon footprint, I put numbers from recent bills into several calculators on websites. The results that came out were not very flattering. The Environmental Protection Agency (EPA) website figured our annual CO₂ emissions at 24,618 kilos, 30 percent higher than the average U.S. family with two people. Clearly, we had further to go than I thought.

1. Why did the author try a new diet?
A.He intended to lose pounds.
B.He tried to lead a healthy life.
C.He was devoted to saving the world.
D.He decided to perform an experiment.
2. What does the underlined phrase “tipping points” in paragraph 3 refer to?
A.melting points.B.freezing points.
C.burning points.D.boiling points.
3. The author is eventually ________ about the results of his family’s CO₂ production.
A.fairly satisfied.B.not very pleased.
C.not very confident.D.greatly enthusiastic.
4. Where can the passage be found?
A.In a novel.B.In a magazine.C.In a biography.D.In a diary.
21-22高二上·浙江·阶段练习 查看更多[2]
【知识点】 环境保护 记叙文

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【推荐1】Encouraging life to bloom(兴旺) in the middle of a desert is no easy task. But one company in the United Arab Emirates has come up with a plan to provide drinking water for the state’s citizens. The company intends to drag icebergs from Antarctica to the gulf coast in order to harvest its freshwater.

The company plans to source the massive blocks of ice from Heard Island, around 600 miles off the coast of mainland Antarctica. It will then transport them around 5,500 miles to Fujarirah, one part of the UAE. One iceberg could provide enough water for one million people over five years, according to the company.

The company’s director says they have already travelled the transportation route and checked the possibility of the scheme, according to reports in Gulf News. Speaking to the site about what he is calling the UAE Iceberg Project, Abdullah Mohammad Sulaiman Al Shehi said, “We have made the technical and financial plan. We will start the project at the beginning of 2018. We want it mainly for the water. It could also be good for tourism and the weather.”

The UAE is one of the driest countries in the world, due to its extremely arid climate, which receives less than four inches of rainfall per year. Despite that, it consumes more water than double the global national average, putting the country at severe risk of droughts over the next 25 years.

An average iceberg contains more than 20 billion gallons of water, according to the company. The iceberg takes a long time to melt as 80 percent of it is underwater, while the white ice above reflects sunlight and deflects(使转向) its heat. Blocks of ice will be placed in giant tanks, before being processed. “This is the purest water in the world.” Mr. Al Shehi added.

1. What can we learn about the UAE project?
A.It will help the UAE harvest freshwater.
B.It will encourage life to boom in Antarctica.
C.It will put the UAE at severe risk of droughts.
D.It will completely change the climate in the UAE.
2. Where could the block of ice come from?
A.The Atlantic Ocean.B.Fujariah.
C.The Gulf.D.Heard Island.
3. Which of the following may NOT benefit from the project?
A.The local people.B.Antarctica.
C.The weather.D.Tourism.
4. The author mentions the nature of ice in the last paragraph to show ________.
A.the process of the projectB.the possibility of the plan
C.the purpose of the companyD.the comments on the scheme
2018-01-31更新 | 162次组卷
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文章大意:本文是一篇说明文。文章介绍了新型饮用水Ooho bubble的产生背景、研发过程以及投放市场前所做的准备等情况。

【推荐2】It is a well-known fact that plastic bottles, which take hundreds of years to rot, are harmful to our environment. However, efforts by environmentalists to encourage consumers to switch to alternatives, like water fountains or reusable bottles, have not been very effective. The U.S. alone uses over 50 million plastic bottles annually, 80% of which end up in landfills.

To try to stop that, Rodrigo García González, Pierre Paslier and Guillaume Couche from the Imperial College London have been working on a revolutionary solution — water wrapped inside an eatable container made mostly from seaweed. All the customer has to do to relieve his/her thirst is pop the entire drop into the mouth.

The inventors, who have been working on the Ooho bubble since 2014, use a simple two-step cooking process called spherification (球化) to create the delicate container. They begin by dipping a frozen ball of water or juice into a chemical solution (溶液). This helps form a layer around the liquid. The ball is then absorbed in a solution made from seaweed extract. This creates a second layer, helping strengthen the structure so that the water or juice does not leak. In addition to saving our environment, the biodegradable (可降解的) packaging costs just two cents each, making it cheaper to produce than plastic.

After three years of perfecting the design, the inventors, who recently raised over 1 million USD from a financial activity, are ready to bring the Ooho bubble to local market. However, there are a few challenges that still need to be overcome before the product’s launch. In addition to getting accustomed to the taste of the covering, each eatable container contains just a mouthful of water, requiring consumers to drink multiple bubbles to relieve their thirst. There is also the issue of finding an eco-friendly packaging to transport the bubbles so that they remain clean and do not burst. Hopefully, the inventors will find ways to handle the issues so that we can reduce, or perhaps even remove, plastic bottles.

1. Why was the Ooho bubble created?
A.To test a newly-designed material.B.To change consumers’ drinking habit.
C.To reduce pollution caused by plastic.D.To take a share of drinking water industry.
2. What will the inventors probably do next?
A.Solve some specific problems of the product.B.Collect more money to expand production.
C.Distribute the Ooho bubble to global market.D.Advertise the advantages of the Ooho bubble.
3. What is the author’s attitude towards the Ooho bubble’s launch?
A.Uncaring.B.Doubtful.C.Confident.D.Opposed.
4. Which of the following could be the best title for the text?
A.Scientists Work out a New Kind of Water
B.Plastic Bottles Will Be Replaced by the Ooho Bubble
C.Environmental Pollution is Expected to Be Solved
D.The Ooho Bubble Aims to Remove Plastic Bottles
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【推荐3】BEIJING, China ---Pollution in China remains very serious as the country's rapid economic growth brings new environmental problems, a minister said Saturday.

Vice Environment Minister Zhang Lijun said China has made progress on environmental protection, but admitted that its rapid economic growth over the past decade has had a negative effect on the environment.

"Our rapid economic development has continuously brought our country new environmental problems, particularly dangerous chemicals, electronic waste and so on. These environmental pollutants (污染物) bring new problems and affect human health," Zhang told a news conference.

He said that emissions(排放)of traditional pollutants remain high and some areas have failed to meet government standards.

China has pledged to continue reducing emissions this year of three key air pollutants--- ammonia nitrogen, sulfur dioxide and nitrogen oxide. The government has also promised to bring down demand for chemical oxygen---a measure of water pollution by l.5 percent from the 2010 levels.

In the last five years, there were 912 "environmental emergencies" involving heavy metal pollution, including several well-publicized instances of mass contamination, Zhang said. Thousands of children were affected by lead poisoning in several provinces in 2009 and 2010 because they lived near metal smelters or battery factories.

The minister noted that rapid development in the next five years would increase the need for China to improve environmental protection and shift to a more sustainable(可持续的) model of economic development from its dependence on industries which consume huge quantities of energy.

China is focusing on clean energy, including solar, wind and nuclear power, as one way to reduce its dependence on coal, which generates three-quarters of its electricity and is also used for winter heating in northern cities. China also hopes the strategy will reduce its demand for oil and gas and increase economic growth and jobs.

Zhang told reporters there was no plan to adjust China's overall strategy for nuclear development but he said Beijing will learn lessons from Japan after a violent earthquake resulted in a radioactive leak(放射能泄露).

"Some lessons we learn from Japan will be considered in the making of China's nuclear power plans," he said. "But China will not change its determination and plan for developing nuclear power."

1. How can China do to solve the pollution problem according to the minister?
A.China must slow its economic development.
B.China require to ask industries to meet government standards.
C.China should tell people how to protect the environment.
D.China require to transform tis economic development model.
2. What is the meaning of the underlined word "generates" in Paragraph 6?
A.needs
B.transports
C.reduces
D.produces
3. Which of the following is true according to the passage?
A.Dangerous chemicals are one of the traditional pollutants.
B.The use of clean energy will help increase job opportunities.
C.Coal is used more in northern cities than in southern cities.
D.Rapid economic growth helps to improve the environment.
4. What do the last four paragraphs mainly talk about?
A.China’s economic development will shift to depend on clean energy.
B.China will learn to use nuclear power from Japan.
C.Japan had a violent earthquake recently.
D.Rapid economic growth caused some problems in China.
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