[化] 醇烯催化剂; 醇钠烯催化剂

SSS 2008-12-31

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(194) / 评论(0)

Scientific American(十二)月

超级简单英语阅读:Meet Halfway

He stopped at the motel. It was late at night. It was almost midnight. He asked the motel clerk, Do you have a vacant room? She said she had a vacant room. He asked how much it was. She said it was $100 for the night. But the night is half over, he s

发表于:2018-12-07 / 阅读(143) / 评论(0)

超级简单英语阅读

巧解GRE填空的两个小技巧

为实现自己的留学之梦，无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(288) / 评论(0)

GRE英语

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(187) / 评论(0)

Scientific American(八)月

SCIENCE IN THE NEWS #2115 - Digest

12 科技新闻摘要（一） DATE=3-13-01 TITLE=SCIENCE IN THE NEWS #2115 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Spec

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科技之光

大学双语美文：孩子教会我的快乐

Every morning my daughter and I go for a twenty-minute walk to my workplace. For me, in those twenty minutes, Im in transit. For my toddler, its nothing less than a parade of flowers, fire trucks, pebbles, and friendly folk. 每天清晨，我的女儿

发表于:2019-01-08 / 阅读(164) / 评论(0)

阅读空间

VOA标准英语2011--Half a Million Syrians Protest in Hama

Half a Million Syrians Protest in Hama Nearly half a million anti-government protesters filled the streets of the volatile Syrian city of Hama Friday. Two senior foreign envoys visited in a show of solidarity. Rights activists say Syrian security for

发表于:2019-01-13 / 阅读(190) / 评论(0)

VOA标准英语2011年(七月)

VOA标准英语2011-'Born Free' Reflects Organic Blues-Based

Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel

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VOA标准英语2011年(一月)

职场晋升真的男女平等吗

职场晋升真的男女平等吗 A study shows a large gap in perceptions among the sexes in who has more opportunities for advancement -- men or women. 职场中男性与女性谁有更多的晋升机会？一项针对该话题的调研显示，男士

发表于:2019-01-15 / 阅读(198) / 评论(0)

实用英语

9/11 Proves a Catalyst for NGOs to Help Those Affected by the Tragedy

It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl

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世界各地新闻集锦

学个词Learn a Word 第1184期 Halfway

今天我们要学的词是halfway。 Halfway, 一半的地方。 The project has reached its halfway point, 这个项目已经做到了一半。 The show is halfway through, 演出已经进行了一半。 We are more than halfway through winter, 冬天

发表于:2019-01-30 / 阅读(123) / 评论(0)

英语单词荟萃

GRE填空解题攻略流程

GRE频道为各位考生整理了带你领略GRE填空解题流程，供考生们参考使用，更多GRE辅导请继续关注新东方网GRE频道。 1.逻辑关系 GRE填空考察的就是整体逻辑语言的能力，考生的任务就是找出句子

发表于:2019-02-01 / 阅读(176) / 评论(0)

GRE英语

十年人生“杯洗具”

在即将挥别过去十年之际，试问中国最流行的网络语录是哪一句?相信很多人都会提到人生就是一个杯子，而它是杯具还是洗具，全由你自己选择。 What are Chinas most popular online slang terms as we ap

发表于:2019-02-01 / 阅读(160) / 评论(0)

英文语法词汇

2006年VOA标准英语-US Launches Initiatives on Behalf of Human Righ

By Peter Fedynsky Washington, D.C. 15 December 2006 watch Human Rights report Secretary of State Condoleezza Rice has announced initiatives to protect human rights activists worldwide against government repression. As VOA's Peter Fedynsky reports, t

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2006年VOA标准英语（十二月）

美国乡村音乐:You're My Better Half——Keith Urban

ar door slams, it's been a long day at work I'm out on the freeway and I'm wondering if it's all worth The price that I pay, sometimes it doesn't seem fair I pull into the drive and you're standing there And you look at me And give me that come-here

发表于:2019-02-06 / 阅读(147) / 评论(0)

美国乡村音乐

职业女性为何止步公司中层？

Why do so many working moms careers stall out when they hit middle management? Disagreement over the answer has often sparked hot debate. 为什么很多上班妈妈当上中层管理人员后其职业生涯就陷入停滞？对这个问题的不同回

发表于:2019-02-18 / 阅读(156) / 评论(0)

实用英语

信息安全软件展会上吸引眼球

Recent internet mishaps that victimized giant online service providers Alipay and Ctrip have again sparked concerns over information security in China. Chen Wei from the Ministry of Industry and Information Technology calls on the country's software

发表于:2019-02-18 / 阅读(144) / 评论(0)

英语新闻

缤纷的咖啡文化（图）

Give me a decaf triple vente, 2 pump vanilla, non-fatm extra hot, stirred, no foam caramel macchiato with whip cream and caramel sauce top and bottom. 给我一杯热的、无咖啡因和泡沫的香草糖浆脱脂加奶油浓缩式焦糖玛奇朵咖啡

发表于:2019-02-18 / 阅读(212) / 评论(0)

阅读空间

咖啡文化——五彩缤纷

发表于:2019-02-18 / 阅读(348) / 评论(0)

阅读空间

How Well Are You Performing in Your Different Roles?

How Well Are You Performing in Your Different Roles? Each day, you play a number of different roles in both your professional and your personal life. Your professional world is a large part of what you do but if youre striving for excellence in this

发表于:2019-02-20 / 阅读(126) / 评论(0)

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