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科学美国人60秒 SSS 2013-09-19

时间:2013-11-25 05:27来源:互联网 提供网友:gmeng   字体: [ ]
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 This Scientific Americans 60 Seconds Science. I'm Wit Games, got a minute.A bad infection can make you delirious1, but mind clears once germs are gone, usually. Not so when researchers recently injected mice with taxol plasma2 Ganede, this parasites4 protozoan only get amorous5 inside gut6 of cat. The resulting fertilized7 eggs wind up a litter box , their challenge is grow up get back inside the feline8. The solution gets eaten by a mouse that gets eaten by a cat. The expelled egg wait until it become a meal for a mouse, the parasites then move to the mouse's brain where they stop the rodent9 from fearing the smell of cat urine, the delirious mouse approaches Lafite and *  , parasites find its way home. In past trials mice almost always died of this kind of infection, this study use weaker strains taxol and the mice recovered but they stay blowzy about the cat's smell, that curable infection can cause permanent behavior changes is worrisome, because the same parasite3 infects 60 million people in the US alone, most cases produce no symptoms but some evidence links chronic10 infections to schizophrenia and a cluster other mental illness known unscientifically as crazy cat lady syndrome11.              


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1 delirious V9gyj     
adj.不省人事的,神智昏迷的
参考例句:
  • He was delirious,murmuring about that matter.他精神恍惚,低声叨念着那件事。
  • She knew that he had become delirious,and tried to pacify him.她知道他已经神志昏迷起来了,极力想使他镇静下来。
2 plasma z2xzC     
n.血浆,细胞质,乳清
参考例句:
  • Keep some blood plasma back for the serious cases.留一些血浆给重病号。
  • The plasma is the liquid portion of blood that is free of cells .血浆是血液的液体部分,不包含各种细胞。
3 parasite U4lzN     
n.寄生虫;寄生菌;食客
参考例句:
  • The lazy man was a parasite on his family.那懒汉是家里的寄生虫。
  • I don't want to be a parasite.I must earn my own way in life.我不想做寄生虫,我要自己养活自己。
4 parasites a8076647ef34cfbbf9d3cb418df78a08     
寄生物( parasite的名词复数 ); 靠他人为生的人; 诸虫
参考例句:
  • These symptoms may be referable to virus infection rather than parasites. 这些症状也许是由病毒感染引起的,而与寄生虫无关。
  • Kangaroos harbor a vast range of parasites. 袋鼠身上有各种各样的寄生虫。
5 amorous Menys     
adj.多情的;有关爱情的
参考例句:
  • They exchanged amorous glances and clearly made known their passions.二人眉来眼去,以目传情。
  • She gave him an amorous look.她脉脉含情的看他一眼。
6 gut MezzP     
n.[pl.]胆量;内脏;adj.本能的;vt.取出内脏
参考例句:
  • It is not always necessary to gut the fish prior to freezing.冷冻鱼之前并不总是需要先把内脏掏空。
  • My immediate gut feeling was to refuse.我本能的直接反应是拒绝。
7 Fertilized 0f66e269f3e72fa001554304e59712da     
v.施肥( fertilize的过去式和过去分词 )
参考例句:
  • The study of psychology has recently been widely cross-fertilized by new discoveries in genetics. 心理学研究最近从遗传学的新发现中受益匪浅。
  • Flowers are often fertilized by bees as they gather nectar. 花常在蜜蜂采蜜时受粉。
8 feline nkdxi     
adj.猫科的
参考例句:
  • As a result,humans have learned to respect feline independence.结果是人们已经学会尊重猫的独立性。
  • The awakening was almost feline in its stealthiness.这种醒觉,简直和猫的脚步一样地轻悄。
9 rodent DsNyh     
n.啮齿动物;adj.啮齿目的
参考例句:
  • When there is a full moon,this nocturnal rodent is careful to stay in its burrow.月圆之夜,这种夜间活动的啮齿类动物会小心地呆在地洞里不出来。
  • This small rodent can scoop out a long,narrow tunnel in a very short time.这种小啮齿动物能在很短的时间里挖出一条又长又窄的地道来。
10 chronic BO9zl     
adj.(疾病)长期未愈的,慢性的;极坏的
参考例句:
  • Famine differs from chronic malnutrition.饥荒不同于慢性营养不良。
  • Chronic poisoning may lead to death from inanition.慢性中毒也可能由虚弱导致死亡。
11 syndrome uqBwu     
n.综合病症;并存特性
参考例句:
  • The Institute says that an unidentified virus is to blame for the syndrome. 该研究所表示,引起这种综合症的是一种尚未确认的病毒。
  • Results indicated that 11 fetuses had Down syndrome. 结果表明有11个胎儿患有唐氏综合征。
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TAG标签:   美国科学60秒  英语听力
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