单词:water-soluble petroleum sulfonic acid
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W: The air in the city is seriously polluted. M: Yes. I cant even breathe. W: Air pollution endangers our health. M: The government should take steps to solve it. Dialogue 2. W: I cant bear the noise near my house any more. M: Why? Is it that bad? W:
Voice 1 Thank you for joining us for todays Spotlight. Im Ruby Jones. Voice 2 And Im Joshua Leo. Voice 1 Some people believe that the number thirteen brings bad luck. But instead, today, the number thirteen is going to bring you health! Voice 2 On to
Item eight. Vocabulary. fossil, molecule, hydrogen, carbon, sulfur. Petroleum has been important since ancient times. In Latin, the name means rock oil. Petroleum is a fossil fuel. The liquid comes from the remains of plants and animals that died mil
Section (B)Changes in the Balance of NaturePerceptions are relative. A single tree may seem large compared to a person. If you compare it to a mountain, however, thelarge tree seems small. In other words, things in nature are large or small, new or o
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Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some
But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di
AS IT IS 2016-09-06 Water Pollution Puts Over 300 Million at Risk 超过3亿人面临水污染风险 More than 300 million people in Africa, Asia and Latin America are at risk of life-threatening diseases such as cholera and typhoid. The reason: Poll
ARI SHAPIRO, HOST: Officials in Texas are still trying to confirm whether floodwater has spread contamination from decades-old toxic waste sites. Thirteen so-called Superfund sites were flooded last week. NPR's Rebecca Hersher visited six of them and
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 In the last fifteen years, farmers
文本: There are 150 tonnes of fish in this one haul. It used to take a fishing vessel one whole year to catch this many fish. These are mostly yellow fin tuna, plus some skip jack. As they're slower breeders than skip jack, many yellow fin are ca
JUDY WOODRUFF: Now we turn to our ongoing coverage of the aftermath of Hurricane Sandy. Tonight, special correspondent Rick Karr looks at environmental concerns in New York City. Many residents in Brooklyn want to know more about the risks of chemica
HOUSTON, July 24 (Xinhua) -- An out-of-control natural gas well ignited a fire on a rig off the coast of the U.S. state of Louisiana in the Gulf of Mexico, and the raging blaze has caused its production platform to collapse, authorities said on Wedne
Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri
1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin
Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot
Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as
1.tomato juice 番茄汁 Tomato juice contains the antioxidant lycopene.Scientific studies have suggested that lycopene consumption may protect against prostate cancer, breast cancer, atherosclerosis, and coronary artery disease.Epidemiological resea