The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Toss a piece of leaf onto a spider web. The spider is indifferent. Because leaves don't squirm like captured flies. But Australia's assassin bug turns the tabl

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its good to be the Queen. You get fed and cared for and generally treated like royalty. But if youre a blue butterfly caterpillar, you can get the same b

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(二)月

Last week, the new Advanced Research Projects Agency for energy held its inaugural conference in Washington, D.C.a direct response to a growing sense that the U.S. is losing its technology lead when it comes to the race for cleaner ways to produce an

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(三)月

一般来说,我们将外语学习称为Second Language Acquisition(SLA)【二语习得】。外语的学习过程一般分为五个阶段(Five Stages of SLA): Preproduction 这是预备阶段,在这阶段的同学就别老想着要张口就来了

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 英语学习方法

1. Listen to yourself.(听自己):如果你不能听出你自己的发音问题,就很难去改正它。试着把你的朗读或演说录下来,并与以英语为母语的外国人士做个比较。 2. Slow down.(慢下来):很多英语

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 实用英语

经常听身边的英语学习小伙伴抱怨,自己阅读听力都没问题,就是口语不行,什么都不敢说,发音不标准,表达不地道,让小编我来给你们总结一下: 1、很多人都觉得看原版影视剧学英语效果

发表于:2019-01-15 / 阅读(68) / 评论(0) 分类 英语口语

口译笔译翻译资格考试:常用词汇复习(1) 快闪族 flash mob (Liverpool Street Station, one of Londons largest railway stations was forced to close for about 90 minutes on Friday evening after a flash mob with over 13,000 people con

发表于:2019-01-15 / 阅读(69) / 评论(0) 分类 实用英语

Now this is just a little study, but it's part of a larger body of research 这只是一个小小的研究,但它是一个更大范围研究的一部分, that is starting to indicate that there may be a connection between people's tendencies for

发表于:2019-01-16 / 阅读(90) / 评论(0) 分类 TED演讲科技篇

大学英语课程的教学目的之一是培养学生的知识能力和用英语进行口头交流的能力。作为一种教学手段,口语训练是培养阅读和写作能力、学习语音、语法和词汇的重要方法。一般来说,衡量

发表于:2019-01-17 / 阅读(67) / 评论(0) 分类 英语口语

英文写作是大学生在英语考试中最薄弱的一环。许多同学花了大量的时间和精力,却很难在这一项上有所突破。比方说,每天用一个小时来练习阅读,一段时间以后,阅读的速度和准确度都会

发表于:2019-01-17 / 阅读(65) / 评论(0) 分类 英语作文

模仿句子: I began by asking Megan Murphy to explain that great fall and then rise in China's stock market. I t 翻译:我们先请Megan Murphy来讲讲中国股市最近的跌宕起伏。

发表于:2019-01-18 / 阅读(53) / 评论(0) 分类 英音模仿秀

When I was a child, I always wanted to be a superhero. I wanted to save the world and then make everyone happy. But I knew that I'd need superpowers to make my dreams come true. So I used to embark on these imaginary journeys to find intergalactic ob

发表于:2019-01-18 / 阅读(60) / 评论(0) 分类 英语演讲

中国考生在托福写作中经常犯哪些问题?是什么问题阻止了我们迈向高分?是不是写作就要拽大词,就要用各种高级句型?今天这篇文章给大家总结了中国考生在托福写作里面的四大误区,想

发表于:2019-01-18 / 阅读(53) / 评论(0) 分类 托福英语

FOR some, myself included, dancing is something best left to those who dont possess three left feet. I know, its more usual to say two left feet but, in my case, my brain must also be included. It simply refuses to supply my body with a sense of rhyt

发表于:2019-01-19 / 阅读(77) / 评论(0) 分类 中英双语新闻

文本: 【S】 Mom wanted everybody to feel welcome while she was away. 【E】 Or she's trying to bribe us. 【H】 What? No. In fact, she got us a special treat for tomorrow-- A table in our name at the Van der Bilt annual charity polo match in

发表于:2019-01-23 / 阅读(50) / 评论(0) 分类 跟着美剧练发音

The 2006 Edinburgh TV Festival is getting underway with a good humor spoof episode of the popular Apprentice program, casting media executives in the world of contestants. Judging by the response, it'

发表于:2019-01-26 / 阅读(78) / 评论(0) 分类 商业报道2006年

That's what I'm here for, that's why I'm a priest. I am Our Lord's chosen representative here on earth, I listen on His behalf, I even forgive on His behalf. And, wee Meggie, there is nothing in God's universe He and I cannot find it in our hearts to

发表于:2019-01-29 / 阅读(60) / 评论(0) 分类 荆棘鸟

we sport exact replicas of each others ears. Im taller and more muscular and shave. Hes slender and ungainly and is all knees and elbows. I reach up and pull my hair back from my face, show him the scar from the accident. Unconsciously, he mimics my

发表于:2019-01-29 / 阅读(69) / 评论(0) 分类 时间旅行者的妻子

Female Anchor: We all know people who are so smart that their friends call them Einstein. But who ever thought a bird could be that bright. Well this African grey parrot from Knoxville Zoo is called E

发表于:2019-02-04 / 阅读(118) / 评论(0) 分类 访谈录