标签：寄生虫分布图 相关文章

SSS 2010-04-16

Invasive species can decrease biodiversity and drive resident species to the brink of extinction. But how do these interlopers fare so well in unfamiliar territory? One idea is that theyve escaped their enemies, for example, the parasites that keep t

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(四)月

SSS 2009-04-27

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. April 25th was World Malaria Day. The mosquito-borne disease is still one of the biggest killers in developing countries with a death toll of a million

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(四)月

精美英文欣赏:Bill Gates’8 Rules to Students比尔.盖茨

1.Life is not fair,get used to it . 2.The world won't care about your self-esteem.The world will expect you to accomplish something before you feel good about yourself. 3.You will not make 4,000 dollars a year right out of high school .You won't be a

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 精美英文欣赏

30. A Business Trip

On a business trip to India, a colleague of mine arrived at the airport in Dilhi. He took a taxi to his hotel, where he was greeted by his hospitable Indian host. The cab driver requested the equivale

发表于:2019-01-06 / 阅读(78) / 评论(0) 分类 英汉幽默故事选读

比尔盖茨的十大人生定律中英对照

比尔盖茨的十大人生定律中英对照 Life is not fair, get used to it. 糊口是不公允的；要去顺应它。 The world wont care about your self-esteem. The world will expect you to accomplish something before you feel good about yourse

发表于:2019-01-06 / 阅读(47) / 评论(0) 分类 实用英语

SSS 2009-08-19

About 10 years ago, I followed some researchers waist deep into the waters of the Everglades. In the middle of the night. We kept a vigilant eye out for alligators and for venomous snakes. But the animals that actually posed the greatest danger were

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(八)月

SSS 2010-10-15

Many of our medicines originate in plants. But were not the only ones who tap into nature.Theres increasing evidence that some animals seek out specific plants for their medicinal qualities. A new study shows that monarch butterflies may be among the

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(十)月

SSS 2010-08-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Shakespeare noted that a worm may eat a king, after that king is dead. Sadly, parasitic worms infect people who are still alive, especially kids. Publi

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(八)月

SSS 2012-02-16

This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(二)月

DEVELOPMENT REPORT - River Blindness

DEVELOPMENT REPORT – August 5, 2002: River Blindness By Jill Moss This is the VOA Special English Development Report. Doctors in Cameroon have found that giving the drug that fights river blindness

发表于:2019-01-11 / 阅读(63) / 评论(0) 分类 农业与发展

VOA慢速英语 200707020041

This is the VOA Special English Development Report. Scientists say they have made more progress in developing malaria-resistant mosquitoes. The idea is to release genetically engineered insects like these into mosquito populations as a way to control

发表于:2019-01-11 / 阅读(75) / 评论(0) 分类 VOA慢速英语2007年（七）月

VOA慢速英语 2007 0206a

This is the VOA Special English Agriculture Report. The parasites can spread from chicken to chicken through infectious droppings The chicken industry loses billions of dollars worldwide because of a disease called coccidiosis. Coccidiosis is caused

发表于:2019-01-11 / 阅读(100) / 评论(0) 分类 VOA慢速英语2007年（二）月

Researchers Develop Long-Term, Drug Release Capsule

Researchers have developed a long-lasting capsule that, when swallowed, slowly releases medicine into the body. The researchers say the capsule was developed for treatment of the disease malaria. But they believe it could hold medicines for a number

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2016年VOA慢速英语(十二)月

比尔盖茨的十大经典人生定律

微软公司董事长比尔盖茨的成功令很多人羡慕，也是无数人学习模仿的榜样。是什么力量另比尔盖茨获得如此巨大的成功呢? Life is not fair, get used to it。 生活是不公平的;要去适应它。 The world

发表于:2019-01-17 / 阅读(53) / 评论(0) 分类 实用英语

African Sleeping Sickness

78 非洲睡眠病在撒哈拉沙漠南部国家猖獗蔓延 DATE=8-6-01 TITLE=DEVELOPMENT REPORT - African Sleeping Sickness BYLINE=Nancy Steinbach （Startat 59

发表于:2019-01-30 / 阅读(116) / 评论(0) 分类 科技之光

屠呦呦获诺贝尔生理学或医学奖

Jan Andersson from the Nobel Prize Committee in Physiology or Medicine explained why Tu Youyou won the Nobel Prize. Youyou Tu got half of this year's prize for her discovery of Artemisinin, and she did that from an herb, so she was the one who identi

发表于:2019-02-04 / 阅读(65) / 评论(0) 分类 英语新闻

经济学人251:消灭疟疾任重道远

Not swatted yet 消灭疟疾任重道远 A new vaccine is one step towards a distant goal 一种新疫苗让人类离消灭疟疾更近了一步 MAN has vanquished only one disease, smallpox. In 2007 Bill Gates set out to eradicate another, malaria.

发表于:2019-02-18 / 阅读(47) / 评论(0) 分类 经济学人综合

双语：比尔·盖茨十大经典语录

1.Life is not fair, get used to it. 生活是不公平的；要去适应它。 2.The world won't care about your self-esteem. The world will expect you to accomplish something before you feel good about yourself. 这世界并不会在意你的自尊。

发表于:2019-02-20 / 阅读(78) / 评论(0) 分类 实用英语

学个词 54:take a toll

今天学的词组是take a toll。 Take-a-toll意思是由于天灾、疾病、事故等造成的损失。 最近有报道说，在加拿大西部，人工养殖的鲑鱼把一种寄生虫散布到附近海域，导致野生鲑鱼大量死亡，Para

发表于:2019-02-24 / 阅读(61) / 评论(0) 分类 学个词

生活大爆炸第四季第十集_2

生活大爆炸第四季第十集_2 剧情简介： The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有

发表于:2019-03-16 / 阅读(207) / 评论(0) 分类 生活大爆炸第四季
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