【英语时差8,16】食物链守则

Food Chain Regulation Biologists who study natures food chain agree about the basic links in the chain: sunlight provides fuel for plants, plants are consumed by herbivores, and herbivores are eaten by carnivores. But researchers arent sure about all

发表于:2019-01-17 / 阅读(60) / 评论(0) 分类 英语时差8，16

【英语时差8,16】锤头鲨的锤头2

The Hammerheads Hammerhead These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve? One hypothesis is that having their eyes spaced far apart might give these sharks better 3D vision. Another hypo

发表于:2019-01-17 / 阅读(60) / 评论(0) 分类 英语时差8，16

【英语时差8，16】根据真实故事拍摄的决胜21点

The movie 21 offers the appealing notion that success is just a matter of number crunching and calculation. Learn to count the cards in Las Vegas and you'll never struggle for money again. There's a catch: You have to be an exceptional MIT student. D

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 英语时差8，16

【英语时差8，16】上厕所能使用残障隔间吗

Dear Annie: I have a question regarding the etiquette of using handicapped stalls in public restrooms. Are they to be used only by the handicapped, or is it OK for others to utilize them if there are no handicapped persons in the restroom? I often se

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 英语时差8，16

【英语时差8,16】外婆担心外孙被宠坏

Dear Annie: My daughter allows her 8-year-old son to stay up late at night, watch adult TV and eat lots of sweets. She strongly resents any suggestion that this is not a good thing. The 15-year-old son spends a vast amount of time text messaging, lis

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 英语时差8，16

【英语时差8,16】曲折的奇幻精灵事件薄

The Spiderwick Chronicles, based on a best-selling novel for young people, has no doubt been eagerly awaited by the book's fans, which will most likely be pleased by the filmmakers' visualization of the story's many goblins, fairies, sprites and othe

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 英语时差8，16

【英语时差8,16】靠基因修复牙齿珐琅质

Don: Time to go again to the A Moment of Science mailbox. A listener writers: Dear Don and Yal, I've had a problem with cavities all my life, so I'm wondering if there are any new dental techniques or discoveries that can help me prevent tooth decay?

发表于:2018-12-27 / 阅读(93) / 评论(0) 分类 英语时差8，16

【英语时差8,16】玉米是如何演化的？

Don: Mmm. I'm making corn on the cob for dinner, and my mouth is already watering thinking about those sweet juicy kernels! Yal: Yum! Hey Don, how did corn evolve? The seeds are all crammed together on the cob and wrapped tightly inside the thick hus

发表于:2018-12-27 / 阅读(103) / 评论(0) 分类 英语时差8，16

【英语时差8,16】太空衣是时尚的「一大步」

Spacesuits are the ultimate in couture. Think about it: Custom-fit garments, dozens of layers deep, made from innovative textiles that can run US$5,000 per square foot, with eye-catching accessories. Gemini suits, moon-dust-coated boots and Neil Arms

发表于:2018-12-27 / 阅读(88) / 评论(0) 分类 英语时差8，16

【英语时差8,16】飞行蝗虫的X翼战斗机和运动检测神经元

Don: Hey Yal, what do locusts, neurons, robots and the movie Star Wars have in common? Yal: You got me, Don. D: The answer is: Doctor Claire Rind, a [dict]biologist[/dict] and robotics expert at the University of Newcastle, England. Dr. Rind wanted t

发表于:2018-12-27 / 阅读(64) / 评论(0) 分类 英语时差8，16

【英语时差8,16】致命的波浪

You've heard about them, and maybe seen them in movies as they [dict]smash[/dict] apart ocean liners, or wash whole cities into the sea. What causes[dict] tidal [/dict]waves, and how are they different from the ordinary waves that wash against our co

发表于:2018-12-27 / 阅读(75) / 评论(0) 分类 英语时差8，16

【英语时差8,16】没有阿诺的「魔鬼终结者」

Ex-music-video maker and Charlie's Angels director McG, ignoring the [dict]constraint[/dict]s of time and space, and the [dict]essential[/dict] insanity of the original trilogy, approaches Terminator Salvation far more seriously than the tone of prev

发表于:2018-12-27 / 阅读(39) / 评论(0) 分类 英语时差8，16

【英语时差8,16】在西班牙最棒的美食节品嚐经典佳餚

Paella, Serrano ham, and Manchego cheesecountless tourists in Spain have fallen in love with Iberian cuisine. Today Conchita is preparing anchovies, tiny silver fish, which are often mistaken for [dict]sardine[/dict]s, in an original way. She is up a

发表于:2018-12-27 / 阅读(59) / 评论(0) 分类 英语时差8，16

【英语时差8,16】折纸艺术

Yal: Hey Don, look what I've got here! Don: Oh cool, its one of those little origami cranes. I didn't know you were into the whole origami thing. Y: Well the little paper figures are pretty cool, but what really excites me about origami are all of it

发表于:2018-12-27 / 阅读(51) / 评论(0) 分类 英语时差8，16

【英语时差8,16】马歇尔计划

ANNCR: The Marshall Plan on Today's Congressional Moment. Europe lay devastated at the end of World War II. Its major cities were damaged or destroyed. Its infrastructure roads and bridges, power plants, communications was ruined. Many of its people

发表于:2018-12-27 / 阅读(55) / 评论(0) 分类 英语时差8，16

【英语时差8,16】残疾人教育法

The I.D.E.A Today on Congressional Moment Since 1917, education has been compulsory for American children, but even by the 1970s, the educational needs and rights of children with disabilities were addressed only sparsely, at the local level. Most sc

发表于:2018-12-27 / 阅读(38) / 评论(0) 分类 英语时差8，16

【英语时差8,16】你真的曾经到过这里吗？

Have you really benn there before? Many people at one time or another have experienced dj vu. French for already seen, dj vu is a sudden strong feeling that a moment identical to the present one has occurred at some earlier time. To a cognitive psych

发表于:2018-12-27 / 阅读(54) / 评论(0) 分类 英语时差8，16

【英语时差8,16】无家可归人员救助法案

ANNCR: The Homeless Assistance Act- on today's Congressional Moment On a bitter cold late winter night in March, just outside the nation's Capitol, a group of homeless people slept on the rusty metal grates over a city steam vent. What drew attention

发表于:2018-12-27 / 阅读(46) / 评论(0) 分类 英语时差8，16

【英语时差8,16】希尔伯顿法

The HillBurton Act on Today's Congressional Moment. Few people remember this today, but universal healthcare was on the national agenda six decades ago. President Harry Truman tried, and failed, to convince the Congress to pass universal coverage. Wh

发表于:2018-12-27 / 阅读(40) / 评论(0) 分类 英语时差8，16

【英语时差8,16】枪械管制

The Gun Control Act on Today's Congressional Moment. The debate over gun control in America has been ongoing and intense for many years with proponents seeking to reduce gunrelated injuries and curtail criminal activity, and opponents sighting second

发表于:2018-12-27 / 阅读(37) / 评论(0) 分类 英语时差8，16
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