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美文赏析:冥冥之中自有天意

It is spring of 1943 during World War II. 1943年的春天，正值第二次世界大战。 Standing among hundreds of new soldiers at Camp Grant, in Illinois, my father, Sam, just 18 years old, waits as a truck slowly drives by. 在伊利诺伊州的格

发表于:2018-11-29 / 阅读(114) / 评论(0) 分类 英语美文

高级听力练习04

electricity The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a power failure, people grope about in flic

发表于:2018-12-07 / 阅读(192) / 评论(0) 分类 高级听力练习

VOA慢速英语20060509c

SCIENCE IN THE NEWS - A Replacement Bladder, Grown in the Lab From Patients' Own CellsBy Caty Weaver and Jill Moss Broadcast: Tuesday, May 09, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VO

发表于:2018-12-07 / 阅读(45) / 评论(0) 分类 2006年慢速英语（五）月

VOA慢速英语 2008 1028a

This is the VOA Special English Agriculture Report. Cows, sheep, goats and other animals can get mastitis, an inflammation in the udder, the organ where milk is produced. Milk from an untreated cow is still relatively safe to drink. But the milk is

发表于:2018-12-07 / 阅读(55) / 评论(0) 分类 VOA慢速英语2008（十）月

SSS 2008-12-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(十二)月

SSS 2010-03-23

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(三)月

SSS 2010-11-22

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. You've seen it on TV. Crime scene investigators show up at what might be a murder scene. There are blood spattersbut no body. Who's the victim? Now, a

发表于:2018-12-24 / 阅读(39) / 评论(0) 分类 Scientific American(十一)月

日本iPS视细胞能恢复感光

TOKYO, Feb. 1 (Xinhua) -- Japan's Ministry of Health, Labor and Welfare on Wednesday approved transplant of retinal cells to treat patients using induced pluripotent stem (iPS) cells derived from another person. According to Japan's public broadcaste

发表于:2019-02-03 / 阅读(44) / 评论(0) 分类 英语新闻

U.S. FDA approves new drug to treat leukemia

WASHINGTON, Nov. 18 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved Erwinaze to treat patients with acute lymphoblastic leukemia (ALL), who have developed an allergy to E. coli derived asparaginase and pegapargase chemother

发表于:2019-02-03 / 阅读(56) / 评论(0) 分类 英语新闻

GRE阅读有哪些易混淆词汇构成的长难句 　

尽管新GRE单词量减少，取消了类反但是难度并没有减少，这更要求考生在新GRE阅读考试中增强逻辑推理能力。虽然逻辑推理能力的考察对我们国内考生来说有点难度，只要保持好心态就能更好

发表于:2019-02-04 / 阅读(38) / 评论(0) 分类 GRE英语

为什么人夜晚睡觉不会口渴

The body's internal clock helps to regulate a water-storing hormone so that nightly dehydration or trips to the toilet are not the norm, research suggests. In an article published in Nature Neuroscience today, neurophysiologists Eric Trudel and Charl

发表于:2019-02-04 / 阅读(42) / 评论(0) 分类 阅读空间

研究:酗酒会导致肌肉无力

WASHINGTON, April 21 (Xinhua) -- U.S. researchers said Monday that muscle weakness from long-term alcoholism may be due to an inability of mitochondria, the powerhouses of cells, to self- repair. In research conducted with rats, the researchers found

发表于:2019-02-05 / 阅读(93) / 评论(0) 分类 英语新闻

托福语法讲解：限定词

托福语法讲解：限定词

发表于:2019-02-07 / 阅读(39) / 评论(0) 分类 英文语法词汇

经济学人225:光电池 染料光电池

Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内

发表于:2019-02-07 / 阅读(66) / 评论(0) 分类 经济学人科技系列

经济学人291:绘制大脑活动地图 棘手的细胞

Science and technology 科学技术 The Brain Activity Map 绘制大脑活动地图 Hard cell 棘手的细胞 An ambitious project to map the brain is in the works. Possibly too ambitious 一个绘制大脑活动地图的宏伟计划正在准备当中，

发表于:2019-02-08 / 阅读(55) / 评论(0) 分类 经济学人科技系列

经济学人213:关节炎与肉毒杆菌毒素

Science and technology 科学技术 Arthritis and botulinum toxin 关节炎与肉毒杆菌毒素 Something to celebrate 值得庆贺 Botulinum toxin may help relieve chronic pain 肉毒杆菌毒素也许能够帮助缓解慢性疾病的痛苦 An infl

发表于:2019-02-16 / 阅读(68) / 评论(0) 分类 经济学人科技系列

万物简史 第431期:小生物的世界(2)

Every human body consists of about 10 quadrillion cells, but about 100 quadrillion bacterial cells. 每个人体大约由1亿亿个细胞组成，但它却是大约10亿亿个细菌细胞的寄主。 They are, in short, a big part of us. 总而言之，

发表于:2019-02-17 / 阅读(69) / 评论(0) 分类 万物简史

美科学家:糖尿病治疗的未来

Reporter: Keeping track of carbohydrate intake, monitoring blood-sugar levels, and injecting insulin is a never-ending cycle for diabetics trying to stay healthy. Labs at Harvard University and MIT have realized major advances in engineering to maint

发表于:2019-02-18 / 阅读(76) / 评论(0) 分类 英语新闻

Scientists find neural stem cell regulator

WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour

发表于:2019-02-18 / 阅读(63) / 评论(0) 分类 英语新闻

万物简史 第365期:进入对流层(6)

People who habitually live at altitude have often spent thousands of years developing disproportionately large chests and lungs, increasing their density of oxygen-bearing red blood cells by almost a third, though there are limits to how much thicken

发表于:2019-02-25 / 阅读(49) / 评论(0) 分类 万物简史
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