[化] 催化剂寿命

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(167) / 评论(0)

Scientific American(十二)月

情景英语口语100主题 001age年龄

Beginner A: how old is Keith? B: hes 21. how old is James？ A: hes a year older than Keith, but he looks younger. B: hows your father? A: hes fine. He retired last week. Its turning poing in his life. Now he can relax and enjoy his retirement. B: he

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情景英语口语100主题

97. The Bronze Age p.161

While on an expedition in western China twenty years ago, some explorers discovered the mummies of a tall, red-haired people. Though estimated to be nearly 4,000 years old, the corpses were quite well

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赖世雄中级美国英语

蒋健棠一词多意教程(27):age

haven't seen you for ages.我好久没见到你了。 age有物品或人的年龄的意思，上面age后加了s,是表示很长时间的意思。 What is the age of this building？这建筑物有多少年历史了？ age也指人生的某一时期或年龄段。例如： I used to be a football player when I was

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蒋健棠一词多意

英语名篇名段背诵精华39 The tragedy of old age

What is it like to be old in the United States? What will our own lives be like when we are old? Americans find it difficult to think about old age until they are propelled into the midst of it by their own aging and that of relatives and friends. A

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英语名著名段背诵精华

Hate in the Digital Age

The Internet and social media are proving to be a double-edged sword. While they expand the possibilities of commerce and information-sharing, they are also used by terrorists(恐怖分子) to recruit members, to promote hate, and even to reveal ways

发表于:2019-01-06 / 阅读(169) / 评论(0)

英语新闻

英语游戏:Age of Japan 2

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Description: Age of Japan is an incredible puzzle entertainment, which shines with unique graphics. All 40 game levels are rendered with Japane...

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Daily Free Games

英语游戏:Age of Japan

发表于:2019-01-08 / 阅读(270) / 评论(0)

Daily Free Games

VOA慢速英语-EXPLORATIONS - The Information Age: The Internet

Computers around the world are connected in an extensive communication system called the Internet. Transcript of radio broadcast: 17 June 2008 VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Tod

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VOA慢速英语2008年（六）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(169) / 评论(0)

实用英语

Age 岁月

The same space seems shorter as we grow older, in youth we may have an absolutely new experience, subjective or objective, every hour of the day. Apprehension is vivid,retentiveness strong, and our re

发表于:2019-01-16 / 阅读(253) / 评论(0)

阅读空间

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

发表于:2019-01-19 / 阅读(151) / 评论(0)

世界各地新闻集锦

VOA标准英语2008年-Age is Only a Number for Olympic Hopeful, Role-

Swimmer Dara Torres of the United States has tasted Olympic victory. But this year, the 41-year-old mother is carrying more than aspirations for a gold medal on her shoulders - she is carrying the hopes of a generation of athletes and fans. Torres w

发表于:2019-01-31 / 阅读(194) / 评论(0)

VOA标准英语2008年（八月）

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

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英文语法词汇

新西兰英语 266 Raising the driving age

Listen to March 3rd 2010 for background to this. The Minister of Transport, Steven Joyce, said there will be changes for young drivers to improve road safety. We already know that the government has planned to raise the driving age to 16 but this is

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新西兰英语

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(136) / 评论(0)

实用英语

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

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阅读空间

咖啡文化——五彩缤纷

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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(103) / 评论(0)

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alveolar-capillary barrier

amplitude modulation carrier telegraph

Arteria pancreatica inferior

atrophia cutis idiopathica

attentional

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base of a range