Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(221) / 评论(0) 分类 新东方背诵文选

口语部分 文化篇 Read the text carefully and be prepared to answer the question: Regional Characteristics of People New Yorkers, that is, people who live in the Big Apple, are in a class by themselves. They have a reputation for rudeness3, impa

发表于:2018-12-03 / 阅读(70) / 评论(0) 分类 王强口语 第二册

Through music, poetry, and song, a group of artists explores the Muslim-America experience. The show at Washingtons Kennedy Center is called Now You See Us. It aims to shatter negative views of Muslim Americans in a post-9/11 World by exploring life

发表于:2018-12-08 / 阅读(50) / 评论(0) 分类 VOA标准英语2018年(九月)

This is AP News Minute. President Trump says his administration's zero tolerance on illegal immigration will continue. On Wednesday, he reversed the policy of separating families from children, although it's unclear how the new guidelines will take s

发表于:2018-12-15 / 阅读(123) / 评论(0) 分类 美联社新闻一分钟2018(六)月

Egyptian Military Seeks to Consolidate Role Egypt has rarely been without demonstrations in recent weeks, but Friday's is the first openly called for by the military. They come out to give me the mandate and order that I confront violence and potenti

发表于:2018-12-16 / 阅读(53) / 评论(0) 分类 VOA标准英语2013年(七月)

Throughout the Middle East, a Need to Change Course 在整个中东地区,需要改变方向 The United States cares about the Middle East because of the economic, political, and security interests we have, the many friendships we have forged, and th

发表于:2019-01-14 / 阅读(61) / 评论(0) 分类 VOA标准英语2014年(十月)

Detroit Seeks Path to Solvency As talks broke down with some of Detroits major creditors, Michigan Governor Rick Snyder told reporters the state of Michigan was out of options. The city is basically broke, he said. Detroits bankruptcy petition, filed

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2013年(七月)

Russia Prepares Law to Ban Gay Propaganda MOSCOW When a gay group held a film festival in Moscow in April, there were the usual anti-gay protesters. But this time, there was an unexpected visitor: a policeman armed with a Kalashnikov, checking IDs. L

发表于:2019-01-14 / 阅读(73) / 评论(0) 分类 VOA标准英语2013年(五月)

In the midst of lawsuits over genetically modified organisms, the U.S. Department of Agriculture is asking, Can't we all just get along? 面对围绕基因改良物种所引发的诉讼,美国农业部提出,我们能否和睦共处? GMO oppone

发表于:2019-01-17 / 阅读(49) / 评论(0) 分类 VOA双语新闻 2011年3月

Forget cockroaches. Forget Superman. Forget any other tough-as-nails creatures youve ever heard of. The most indestructible multicellular organisms on Earth are undoubtedly tardigradesmicroscopic eight-legged aquatic invertebrates also known as water

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 2016年Scientific American(十)月

A champion of freedom, a pioneering leader,a woman of greatness, that's how some world leaders described Margret Thatcher.Former British Prime Minister died yesterday after she had a stroke. We lost a great leader, a great primeminister, and a Great

发表于:2019-01-19 / 阅读(90) / 评论(0) 分类 CNN2013年(四)月

Voice 1 Thank you for joining us for Spotlight. Im Rebekah Schipper. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Todays Spotl

发表于:2019-01-19 / 阅读(58) / 评论(0) 分类 环球英语 Spotlight

How much alcohol the yeast can tolerate depends partly on the type of yeast. And thats another reason wine is stronger than beer: beer-yeast, with a lower tolerance for alcohol, is killed by the time the alcohol reaches about nine percent. Wine-yeast

发表于:2019-01-22 / 阅读(45) / 评论(0) 分类 英语时差8,16

1. The University of Oklahoma says theres zero tolerance for racist behaviors after a video released showed members of an Oklahoma fraternity participating in a racist chant. Sigma Alpha Epsilon said it was closing the local chapter. University presi

发表于:2019-02-11 / 阅读(101) / 评论(0) 分类 美联社新闻一分钟2015(三)月

Iran Extends Influence in Central Asia's Tajikistan Iran is competing with Russia as it seeks to forge closer ties with Tajikistan, the one Persian-speaking nation of the former Soviet Central Asia. The capitals of Iran and Tajikistan are 1,000 kilom

发表于:2019-02-12 / 阅读(69) / 评论(0) 分类 VOA标准英语2011年(十一月)

By Scott Bobb Johannesburg 19 October 2009 Ian Khama (June 2009 file photo) Botswana's President Ian Khama is to be inaugurated for a five-year term following his party's victory in Friday's elections. Election officials say President Ian Khama will

发表于:2019-02-12 / 阅读(48) / 评论(0) 分类 VOA标准英语2009年(十月)

Xi Jinping says the campaign against corruption should continue to cover all sectors and zero tolerance will be shown to violators. He also stresses that China is gaining ground in the fight against corruption, urging all Party members to maintain co

发表于:2019-02-14 / 阅读(73) / 评论(0) 分类 2016CRI中国国际广播电台

Kindness Walls are beginning to become a familiar sight in the streets of cities around the world. These are places where people leave unwanted items of clothing for those in most need. China is no exception, but as CRI's Li Jianhua reports, one exam

发表于:2019-02-14 / 阅读(52) / 评论(0) 分类 2016CRI中国国际广播电台

By Scott Stearns Dakar 08 October 2009 Cameroon President Paul Biya (file photo) Authorities in Cameroon have closed a private FM radio station that has been broadcasting illegally from the capital for several months. The station was highly critical

发表于:2019-02-18 / 阅读(74) / 评论(0) 分类 VOA标准英语2009年(十月)

The Charity say the children estimated more than half a million boys and girls under 5 would die of hunger this year in countries plagued by conflict, as feuding parties deliberately block humanitarian aid. The charity says that there were more than

发表于:2019-02-23 / 阅读(64) / 评论(0) 分类 英语听力精选进阶版