大学英语六级词汇(拼读版) 018

[00:00.00]parameter [00:06.96]parameter [00:08.92]n.参(变)数；参量 [00:16.90]parameter [00:18.86]parasite [00:25.30]parasite [00:27.35]n.寄生动物 [00:35.20]parasite [00:37.24]participant [00:45.92]participant [00:48.09]n.参加者，参与者

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SSS 2009-07-08

This is Scientific American's 60-second Science. I'm Cynthia Graber, this will just take a minute. Sex might seem like one of those little gifts from evolution. But its pretty inefficient from an evolutionary perspective. Itd be much easier to reprod

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

SSS 2011-08-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

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53 疟疾 DATE=6-5-01 TITLE=SCIENCE IN THE NEWS #2127 - Malaria BYLINE=Oliver Chanler VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Special English

VOA慢速英语2009年-Development Report - Looking for New W

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2007年VOA标准英语-US Doctors Find More Cases of Parasite Infectio

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VOA标准英语2011--New Malaria Drugs Stop Parasite Early

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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 equivalent of eight dollars U. S. for the fare, which seem

经济学人: 热带疾病 (1)

Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾，其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.

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托福考试常见句型

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