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题型:阅读理解-阅读单选 难度:0.65 引用次数:24 题号:11933305

UNICEF is calling on world leaders to reduce air pollution, saying it leads to the deaths of more children yearly than malaria and HIV/AIDS combined.

Around 600,000 children under age 5 die every year from diseases caused by or worsened by outdoor and indoor air pollution, especially in poor nations, UNICEF Executive Director Anthony Lake said in the introduction to a report titled “Clear the Air for Children.”

“Pollutants don't only harm children’s developing lungs, they can actually cross the blood brain barrier and permanently damage their developing brains, and, thus, their futures. No society can afford to ignore air pollution.”

UNICEF is asking world leaders to take four steps:

Reduce pollution by cutting back on fossil fuel burn and investing in energy efficiency.

Increase children's access to health care, including more immunization programs and information programs about pneumonia, a leading killer of children under 5.

Minimize children's exposure to air pollution by keeping schools away from factories and other pollution sources and using cleaner cookstoves in homes.

Improve monitoring of air pollution.

UNICEF said its air pollution report uses satellite imagery to show the global scope of the air pollution problem.

Around 2 billion children live in places with outdoor pollution exceeding World Health Organization air quality guidelines, the report said. Most of these children live in low and middle income countries.

That includes 620 million in South Asia, 520 million in Africa and 450 million in East Asia and the Pacific, UNICEF said.

The outdoor air pollution is most common in low-income, urban areas and is caused by vehicle emissions, heavy use of fossil fuels, dust and burning of waste, the report said.

The satellite map doesn't take into account the dangers of indoor pollution, primarily a problem in lower-income, rural areas where people use solid fuels like coal and wood for cooking and heating.

More than 1 billion children live in homes where solid fuels are used in this way, UNICEF said, For example, 81% of rural households, in India use this kind of fuel because it's cheap and Air pollution is an especially serious threat for children because their lungs and immune systems are developing, the report said.

Unborn children are also at risk. Studies show long-time exposure to high levels of dust matter is associated with high rates of fetal loss, premature births and lower birthrates.

1. UNICEF calls on the following steps except          .
A.Reduce fossil fuel combustionB.Give children more access to health care
C.Stop Children's exposure to air pollution.D.Strengthen monitoring of air pollution
2. According to the passage, which country's children are less likely to die from air pollution than the others?
A.AmericaB.South AfricaC.East Asian and the PacificD.India
3. The author's attitude towards the steps that UNICEF calls on world leaders to take is       .
A.positiveB.negativeC.supportiveD.not mentioned
4. This passage is probably taken from
A.a storyB.an advertisement.C.a geography magazineD.a news report

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【推荐1】The loud noise of the cars or the sound of a plane can force its way into the deepest forest, yet it’s not only humans that are bothered by the noise.

Bioacoustician Bernie Krause has been studying the effect of noise pollution on wildlife, and has come across some interesting behaviors, especially among animals that communicate by sound, like humans. Birds use sound to communicate, but in noisy places, these animals have to shout over the natural noise to be heard.

Krause mentions a study of nightingales(夜莺) to explain what he means. The birds responded to(回应) traffic noise by singing louder and louder until they actually went beyond noise pollution standards in the city. To belt out (sing loudly) their songs, they increased their lung pressure fivefold, but scientists say that this is not dangerous for the birds themselves.

Studies show that sudden noise can cause certain birds to leave their nests, leaving the young to their enemies. One study also showed that songbirds that nested close to busy motorways were much less productive than those that nested farther away. Mammals(哺乳动物)too are affected(影响). A recent study showed that nursing caribou(驯鹿) responded to plane noise by not producing enough milk to feed their young.

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According to Kruse, “Not only will noise pollution bother wildlife, but it won’t help our lives either.”

1. How do young caribou suffer from aircraft noise?
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