New York September 2004, the race for the White House was reaching a dramatic climax. The candidates were neck and neck in the polls. Both were now desperate to seize any advantage over the other. Pre

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 说服的艺术

Trebuchets began in the Far East, in China. But what they were there, were hand-pulled machines, worked by quite large teams of men.

发表于:2018-12-07 / 阅读(76) / 评论(0) 分类 中世纪攻城战

[00:00.00]Lesson 1 Unfair Bosses May Raise Employee's Blood Pressure [00:30.65]老板不通情达理,员工易血压升高 [01:01.31]Unfair and unreasonable bosses can increase their employees' blood pressure [01:06.39]英国的医学工作者于周二

发表于:2018-12-08 / 阅读(112) / 评论(0) 分类 赖世雄学英语第四册

On full alert are his lookouts, the small Pterosaurs. 它的小翼龙瞭望员们非常警惕。 Gastonia finds a promising spot and begins digging. 加斯顿龙发现了一处有指望的地方并开始挖掘。 If he can smell water, it can't be mo

发表于:2018-12-28 / 阅读(51) / 评论(0) 分类 侏罗纪搏击俱乐部

To Live or to Die The history of life on earth has been a history of interaction between living things and their surroundings. To a large extent, the physical form and the habits of the earth’s vege

发表于:2018-12-30 / 阅读(148) / 评论(0) 分类 英语沙龙2004全年合辑上

Coffee is more popular today than ever before, but many people abstain from consuming too much of it because it can really take a toll on their pearly whites. Well, thanks to the worlds first colorless coffee, you dont have to worry about stained tee

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 阅读空间

This is scientific Americans 60-Second Science, I am Karen Hopkin, this will just take a minute. Time for another episode of those amazing alligators. On March 14th, we told you how gators use their lungs to steer through the water. Now, Louisiana bi

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(四)月

Snowpocalypse. Snowmageddon. Whatever your preferred appellation, this week's winter storms brought misery to denizens of the U.S. East Coast and prompted some at least to question the scientific theory of climate change. After all, shouldn't global

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(二)月

有些说明书较详细地介绍药品的药理作用(Pharmacological Actions)。其内容主要包括药理作用、临床药理(Clinical Parmacology)、体外试验(in vitro experiments)、药物代谢(Metabolism)、药效(Potenc

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 医学英语

Tiny Needles Treat Eye Disease 能治愈眼疾的细针 Glaucoma is the second leading cause of blindness around the world. In the United States alone, more than two million people suffer from the disease. Glaucoma results from an over-production of

发表于:2019-01-12 / 阅读(56) / 评论(0) 分类 2014年VOA慢速英语(十二)月

Drink, and make room for that other fellow, who seeks my aid to quench the fiery fever of last night's potations, which he drained from no cup of mine. 喝吧,再给那家伙腾点地方。此刻,那醉醺醺的家伙需要我,才能平息他内心

发表于:2019-01-17 / 阅读(46) / 评论(0) 分类 美国语文第五册

Unlike most Polish cities, Krakow's architecture escaped the ravages of World War II. Gothic churches exalt the heavens; angels still dance over Baroque doorways. But these ancient monuments are threatened. High on a hill, Wawel Castle(瓦维尔城堡

发表于:2019-01-22 / 阅读(77) / 评论(0) 分类 自然百科2009年

Science and Technolgy. 科技。 Artificial meat. 人造肉。 Hamburger junction. 人造汉堡的诞生。 Muscle grown in factories could soon be appearing in a supermarket near you. 工厂培养的肉可能很快出现在你周围的超市了。 A

发表于:2019-01-26 / 阅读(65) / 评论(0) 分类 经济学人科技系列

For more than two years, Europe's 17-nation euro currency bloc has grappled with containing its burgeoning governmental debt crisis. Its leaders often took half-steps they thought surely would calm international financial markets worried about the fa

发表于:2019-02-05 / 阅读(53) / 评论(0) 分类 英语新闻

Ozone layer(臭氧层) 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed(

发表于:2019-02-07 / 阅读(52) / 评论(0) 分类 英语新闻

编者按: 就其带给我们的美好感觉的度和量而言,美的最主要来源是我们与外界的美好关系,它们给我们的生活带来源源不断的感情--让我们茁壮成长,超越自我。这一有力的和谐关系可以存

发表于:2019-02-13 / 阅读(47) / 评论(0) 分类 英语名篇背诵

At length, when the last pint is casked, and all is cool, then the great hatchways are unsealed, 最后,待到装完了最后一桶,所有的油都冷却了的时候,就打开许多大舱口, the bowels of the ship are thrown open, and down g

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 白鲸记

THE political class first sat up and paid real attention to the tea-party movement two years ago, when its acolytes in Utah ended the career of Bob Bennett, a venerable Republican senator, by denying him the partys nomination for his re-election bid.

发表于:2019-02-20 / 阅读(68) / 评论(0) 分类 经济学人综合

RACHEL MARTIN, HOST: With a bit of science, you can turn an illegal high into a legal one. This transformation comes at the molecular level. Some drugs can be altered to make them above board, making them essentially copies of banned drugs. So, how a

发表于:2019-02-23 / 阅读(63) / 评论(0) 分类 英语语言学习

And in between there's everything you could possibly imagine. 介于二者之间的东西应有尽有,只要你想得出来。 I've never been any place where geology is more evidentor prettier. 我从来没有见过哪个地方,地质情况是如此

发表于:2019-02-25 / 阅读(56) / 评论(0) 分类 万物简史