This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Pregnant women shouldn't drink. It's become gospel, because of the danger of fetal alcohol spectrum disorder. Alcohol can disturb the normal development

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You know what fiber's good forto keep things moving smoothly downstairs. But it's not just for staying regular. Fiber can boost the number of beneficial bacter

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(六)月

Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60-second science.I'm Innmi Craft.Got a minute? Here's one way bites my get there next meal by ease dropping on flies having sex.That's eat a lot of seemingly undetectable flies.To find out how the winged memers find the i

发表于:2018-12-24 / 阅读(127) / 评论(0) 分类 Scientific American(七)月

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? One way advertisers convince us to buy something is to remind us that we've enjoyed their product before. But unfortunately, we can have fond memories of a pro

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(五)月

This is Scientific American 60 Second Science, I'm Steve Mursky, Got a minute? The average price for a gallon of gas in the U.S. today was nearly $3.78 per gallon. But why do we calculate fuel expenditure in dollars per gallon? Wouldnt a more realist

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 Scientific American(三)月

Turns out youre not just what you eat. Youre when you eat. Because a new study in mice suggests that, in the battle of the bulge, the timing of meals influences the piling on of pounds. In the experiment, researchers gave groups of mice either standa

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(五)月

This is Scientific American 60 Second Science, I'm Steve Mirsky, got a minute? Tens of millions of sharks are killed for their fins each year. It's not just a tragic abuse of the animals, It's bad business. They're basically swimming dollar signs, wh

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(三)月

词汇在英语考试中尤其重要,托福考试也不例外,一定要单词先行。没有单词做强大的后盾,接下来的口语、听力、阅读、写作都无法顺利的进行,所以在托福考试的备考中,背好单词是绝对

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 托福英语

托福考试写作高频论据之一:Money (金钱) The benefits of money: 1. Basic needs: food, clothes, accommodation, transportation; 2. Education: books, attend courses; 3. Emergency: acute illnesses, accidents; 4. Entertainment: travel, concer

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 托福英语

condescend屈尊 condole同情,慰问 condone宽恕,原谅 conduce引起,有助於 confederate共犯,同谋者 confer颁给,赐与 confide信赖,交托 confident确信的 configuration形状,轮廓,外貌

发表于:2019-02-06 / 阅读(72) / 评论(0) 分类 英文语法词汇

compact简洁的 companion同伴,朋友,伴侣 company陪伴,同伴 compare比较,匹敌,竞争 compartment格,隔间 compass周围,范围 compassion同情,怜悯 compatible能共存,一致,符合的

发表于:2019-02-06 / 阅读(80) / 评论(0) 分类 英文语法词汇

发表于:2019-02-06 / 阅读(88) / 评论(0) 分类 英文语法词汇

affront侮辱 aggrandize增强势力 aggravate加重,惹怒 aggregate总计,合计 aggrieve使苦恼,使受屈 align使合作,排列成行 allay使和缓,使镇静 alleviate减轻,使缓和 allocate拨出

发表于:2019-02-06 / 阅读(66) / 评论(0) 分类 英文语法词汇

SE- away,separate 分离 字首se源出古拉丁文副词与介系词se,sed,原有away,separate之意.这个字首组成的英文单字,几乎全由拉丁文借来,如secedev.[脱离,退出]出自sece

发表于:2019-02-09 / 阅读(78) / 评论(0) 分类 英文语法词汇

CONTRA-,CONTRO-,COUNTER- against 相对,反对 字首contra,contro,counter源自拉丁文介系词,副词contra,意为相对,反对.拉丁文将contra和contro视作字首,例如contradictv.[否认],c

发表于:2019-02-18 / 阅读(68) / 评论(0) 分类 英文语法词汇

新GRE作文字数没有要求,但新GRE issue作文字数太少会影响分数,那么同学们要怎样增加新GRE写作字数呢?下面一起来看一下吧。 招术一: 如果复习时间充裕,提议你多瞧瞧英文杂志,积累1些

发表于:2019-02-19 / 阅读(61) / 评论(0) 分类 GRE作文