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题型:阅读理解-阅读单选 难度:0.4 引用次数:301 题号:6440880

The Lifecycle of a T-shirt

We all probably have a lot of T-shirts, but do you ever stop and think about the influence of a T-shirt on the planet? You’d probably be surprised to learn what's involved in the lifecycle of just one T-shirt.

There are 5 major stages: material, production, shipping, use and disposal   The material stage involves farming, irrigating, fertilizing, harvesting and ginning(轧花). While cotton is a natural fiber (纤维)and not as harmful to the environment as manmade fibers, it still takes a toll in the material and production stages. Commercial cotton farming uses a large amount of water, and the use of pesticides (杀虫剂)is widespread across the globe, especially in cotton farming. Studies have shown that farmers spend around $4.1 billion on pesticides annually, of which 25% was spent on cotton crops in the US.

Once the cotton is grown and harvested, so begins the production stage: spinning, knitting(编织), bleaching, dyeing, cutting, sewing, etc.——these processes also use a great deal of water and energy. Commercial dyes and bleaches are harmful pollutants and can eventually pollute groundwater.

After the T-shirt is produced, it enters the transportation stage. This often involves overseas shipping. Take a look in your closet. Chances are that most of your cotton garments (衣服)are made in China or India. Garments can be shipped via plane, ship or truck…,all of which spill CO2 into the atmosphere. Calculations show that CO2 emissions from light trucks alone amount to 1.15 pounds per mile.

Once the T-shirt reaches the retail market, it is purchased. This stage may seem like the least environmentally damaging part. But consider the number of times you’ve washed and dried your favorite T-shirt. Washing machines are certainly becoming more efficient. However, the average American household does 400 loads of laundry per year, using about 40 gallons of water per load. Such excessive water use is combined with the large amount of energy used by dryers.

The final stage of life is disposal. This releases harmful emissions, or involves a landfill where cotton takes years to break down. Current US records show that an estimated 15% of clothes and shoes are recycled, which means that consumers send a shocking 85% of these materials to landfills.

We all need new clothes every once in a while, but let’s all try to keep in mind what goes into the production of clothing... It has a real impact on the planet.

There are a lot of things you can do to help reduce your impact. Reuse and recycle clothes. If they’re too worn out to wear, cut them up and use them as cleaning rags. Donate them to charity or another organization that recycles textiles. When possible, make an effort to buy organic cotton. Turn down the thermostat(恒温器) on your washer, and line dry your clothes when the weather will allow it.

1. The underlined phrase “takes a toll” probably means “     
A.wastes waterB.takes a lot of time
C.uses energyD.has a bad effect
2. We can learn from the passage that in the US, .
A.pesticides in cotton farming cost over 4 billion dollars every year
B.C02 emissions of land transport amount to 1.15 pounds per mile
C.about 15% of the clothes and shoes are made of materials that are recycled
D.about 16, 000 gallons of water is used annually by an average family on laundry
3. What can be inferred from this passage?
A.The production process may affect water safety.
B.The clothing cost is relatively low in China and India.
C.Cotton clothes are buried because they are hard to break down.
D.The use stage is the least environmentally harmful of the five stages.
4. What is the purpose of this article?
A.To encourage people to donate clothes to charity.
B.To promote eco-friendly actions related to clothes.
C.To persuade people to purchase more organic cotton.
D.To introduce the five stages in the lifecycle of clothing.
【知识点】 环境保护

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【推荐1】An air-conditioner has become a sign of middle-class status in developing nations. But as air-conditioners appear from windows and storefronts across the world, scientists are becoming increasingly alarmed about the impact of the gases on which they run.

The oldest CFC coolants used in air-conditioners, which are highly damaging to the ozone layer, have been largely rejected from use; and the newest ones, used widely in industrialized nations, have little or no effect on the ozone layer. But these newest gases have an another impact — they contribute to global warming thousands of times more than CO2 does, the standard greenhouse gas. Indeed, the leading scientists in the field have just calculated that if all the equipment entering the world market uses the newest gases currently employed in air-conditioners, up to 27 percent of all global warning will result from those gases by 2050.

So the treatment to cure one global environmental disaster is now seeding another. "There is precious little time to do something, to act," said Stephen O. Andersen, the co-chairman of an international organization's technical and economic advisory panel.

Promising technologies wait, blocked in the wings. In China and a few other countries, room air-conditioners using hydrocarbons — which cause little warming or ozone damage — are already coming off assembly lines in small numbers but have not yet been approved for sale, in part because the chemicals are flammable (易燃的).Yet in Europe, refrigerators that cool with hydrocarbons have been in use for years, and some companies in the United States, such as Pepsi and Ben and Jerry's, have recently changed in-store coolers from HFCs to hydrocarbons as part of sustainability plans. But the patent is being argued. And some governments have still not finished safety testing.

Mr. Wypior, whose agency is trying to promote climate-friendly air-conditioning industries in India and China, said: “The technologies are available. They're well known. They're proven— though not at scale. So why aren't we moving?”

1. What's Paragraph 2 mainly about?
A.Air-conditioners' influence on the ozone layer.
B.Scientist's efforts to control the greenhouse gases.
C.The seriousness of global warning faced by the whole world.
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A.Hydrocarbons are mainly used in refrigerators.
B.People are still arguing about their security.
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4. What's Mr. Wypior's attitude to climate-friendly air-conditioner?
A.Positive.B.Negative.
C.Unconcerned.D.Indifferent.
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【推荐2】There is a small but growing movement in America of households that want to reduce waste to zero. Zero Wasters, as they are called, help each other by sharing advice on blogs and social media. A number of people also have written recent books on the subject.

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【推荐3】It’s always been a rule in my family, spoken or unspoken, that you don’t waste food. With six children herself and having grown up in an even larger family through the Great Depression, my mother would never tolerate throwing out the amounts of food we see routinely these days in the dumpster. We were told simply to clean our plates, no matter whether we liked the taste or if we were not hungry or not. So this subject is deep in my genes and upbringing.

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