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VOA标准英语2011--African Refugee Children at High Risk fo

African Refugee Children at High Risk for Kala-azar, Malaria, Viral Infections Some 300,000 children are receiving vaccinations against polio and measles at one of the largest refugee camps in Kenya. They also are receving vitamin A and deworming tab

发表于:2018-12-16 / 阅读(73) / 评论(0) 分类 VOA标准英语2011年(七月)

VOA标准英语2011--Study: Neglected Tropical Diseases Surfa

Study: Neglected Tropical Diseases Surfacing in Central Asia Many of the bacterial and parasitic worm infections commonly associated with the tropics are becoming rampant in some Central Asian countries in the former Soviet Union. That's the finding

发表于:2018-12-16 / 阅读(89) / 评论(0) 分类 VOA标准英语2011年(十月)

美国有线新闻 CNN 平昌冬奥参赛规模创历届之最 朝韩女子冰球联队首秀

In Pyeongchang, South Korea, organizers say almost 3,000 athletes representing 92 countries will be competing. That would be the most ever. And while North Korea has sent a delegation of athletes, musicians and media to South Korea, and there are sig

发表于:2018-12-20 / 阅读(65) / 评论(0) 分类 CNN美国有线新闻2018年3月

英语听力文摘 English Digest 591、蜂蜜为什么不会变坏？

Why Doesnt Honey Spoil? If you havent cleaned out your refrigerator in a while, there might be a nasty surprise waiting for you. There, in a forgotten piece of Tupperware, lurks the ravioli you didnt finish three weeks ago. Opening the lid with curio

发表于:2018-12-31 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 608、大自然中的DNA交易

Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad

发表于:2018-12-31 / 阅读(73) / 评论(0) 分类 英语听力文摘 English Digest

VOA标准英语2009年-Flood-Resistant Rice Aids Farmers in South Asia

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(89) / 评论(0) 分类 VOA标准英语2009年(三月)

美国有线新闻 CNN 美国爆发大肠杆菌疫情 CDC呼吁民众停止食用长叶生菜

AZUZ: Romaine is another type that's getting attention for the wrong reason. The U.S. Centers for Disease Control is warning that a recent E. coli outbreak is connected to romaine lettuce. And this outbreak looks to be pretty widespread. It's affecte

发表于:2019-01-19 / 阅读(61) / 评论(0) 分类 CNN美国有线新闻2018年6月

英语听力文摘 English Digest 331、洗手误区

Dirty Hands 洗手误区 Most people believe that regular hand-washing is the best way to prevent infection s . And theyre right: hand-washing does prevent certain infection s , but too much washing can actually help some infection s along.Whats goin

发表于:2019-02-24 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest
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