[网络] 无线粒体原生生物

6原文_te4

Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.M: The main library is open from eight A. M. Until nine P.M. [00:20.51]Monday through Friday; noon until six P.M. Satu

发表于:2018-12-01 / 阅读(192) / 评论(0)

大学六级听力模拟题

6原文_te3

3 Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.M:She wants to apply for the job, [00:19.41]but she is really not qualified,I'm afraid. [00:24.24]W:That's a pity.Sh

发表于:2018-12-01 / 阅读(189) / 评论(0)

大学六级听力模拟题

【英语时差8,16】心脏为什么不会疲倦？

Your heart muscle does something truly incredibleit expands and contracts, non-stop, every moment of every day of your entire life. By comparison, if you tried to squeeze and release the muscles in your hand, they would grow fatigued and need to rest

发表于:2018-12-03 / 阅读(72) / 评论(0)

英语时差8，16

VOA慢速英语2015 三人创造的人类胚胎辩论超越科学和宗教

'Three-Person Babies' Debate Goes Beyond Science and Religion 三人创造的人类胚胎辩论超越科学和宗教 Britain has become the first country to permit doctors to use genetic material from three people to create human embryos. The process

发表于:2018-12-16 / 阅读(50) / 评论(0)

2015年VOA慢速英语(三)月

人为什么分成男人和女人?

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

发表于:2018-12-27 / 阅读(59) / 评论(0)

英语听力广播—Listening

英伦广角 2015-02-07 英国议会下院通过“三亲育子”技术法案

If you're confused by Three Parent... you come to the right place. This is my kitchen lab. The eggs here are somewhat larger but the principles are the same and allows me to demonstrate what scientists hope to do with humans. Inside the egg core are

发表于:2019-01-02 / 阅读(53) / 评论(0)

英伦广角

60秒科学:多细胞生物不需要氧气

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(106) / 评论(0)

60秒科学

2007年VOA标准英语-Israel's Netanyahu Vows to Win Premiership Afte

By Robert Berger Jerusalem 15 August 2007 Former Israeli Prime Minister Benjamin Netanyahu has won re-election as leader of the right-wing Likud party. But as Robert Berger reports from VOA's bureau, some analysts describe it as a limited victory bec

发表于:2019-01-11 / 阅读(130) / 评论(0)

2007年VOA标准英语（八月）

2006年VOA标准英语-Lawmakers Urge Greater US Steps Against Te

By Dan Robinson Capitol Hill 04 May 2006 U.S. lawmakers have heard from experts about the expanding use of the Internet by al-Qaida and other terrorist groups. The scope of terrorist exploitation of t

发表于:2019-01-20 / 阅读(161) / 评论(0)

2006年VOA标准英语（五月）

英语口语大赢家Topic230:茶馆生活 Life in the Teah

喝茶在中国由来已久，而且有着深厚的历史文化，这不，本杰明讲得津津有味，从茶馆生活讲到茶馆艺术，这下罗拉可有的学了。 Listen Read Learn Laura: It's quite busy here. It's true that Chinese people love tea. Benjamin: That's for sure. You know that tea is

发表于:2019-01-21 / 阅读(115) / 评论(0)

英语口语大赢家

英语听力文摘 English Digest 26、为什么会有男人和女人？

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todayss Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm

发表于:2019-01-26 / 阅读(69) / 评论(0)

英语听力文摘 English Digest

研究:酗酒会导致肌肉无力

WASHINGTON, April 21 (Xinhua) -- U.S. researchers said Monday that muscle weakness from long-term alcoholism may be due to an inability of mitochondria, the powerhouses of cells, to self- repair. In research conducted with rats, the researchers found

发表于:2019-02-05 / 阅读(130) / 评论(0)

英语新闻

新型药物有望延长人类寿命至120岁

It sounds like something from a science fiction film, but a pill to counter the ageing process could become a reality. 这听起来有点像科幻片的桥段，但可延缓衰老进程的药物有望变为现实。 Scientists in Russia are testing a

发表于:2019-02-05 / 阅读(85) / 评论(0)

阅读空间

Lochte edges Phelps in 400m medley

WASHINGTON, June 25 (Xinhua) -- Ryan Lochte edged Michael Phelps in the men's 400m individual medley at the US Olympic swimming trials Monday. Lochte took the lead on the breaststroke leg of the four-stroke event and held off Phelps in the closing fr

发表于:2019-02-06 / 阅读(111) / 评论(0)

英语新闻

VOA常速英语2007-S. African Reggae Star Lucky Dube Killed in Atte

By Scott Bobb Johannesburg 19 October 2007 South African Reggae star Lucky Dube has been killed in an apparent car-jacking attempt. The 43-year-old musician was shot Thursday night in a suburb south of Johannesburg. Correspondent Scott Bobb reports f

发表于:2019-02-07 / 阅读(92) / 评论(0)

2007年VOA常速英语（十月）

rivate funeral held for Fawcett

Private funeral held for Fawcett 福塞特的私人葬礼 A private funeral has been held for US actress Farrah Fawcett, who died last week of cancer. Her partner, actor Ryan O'Neal, was a pallbearer （抬棺者） Their son Redmond, who was recently jailed on

发表于:2019-02-08 / 阅读(125) / 评论(0)

英语新闻

三人基因试管婴儿将合法化

British MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move. 英国国会议员投票通过一项具有历史性意义的决议，支持用两母一父的DNA培育婴儿。 The UK is now set to

发表于:2019-02-09 / 阅读(62) / 评论(0)

阅读空间

经济学人:粒腺体影响男性寿命粒腺体阻断

Mitochondria and male lifespan 粒腺体影响男性寿命 Power down 粒腺体阻断 Women outlive men. An evolutionary curiosity may explain this 女性比男性寿命长久。欲知为何，请看进化学分解 Mankiller? 男性健康杀手？ WH

发表于:2019-02-16 / 阅读(44) / 评论(0)

经济学人科技系列

万物简史第428期:生命的起源(22)

Mitochondria manipulate oxygen in a way that liberates energy from foodstuffs. 线粒体支配着氧，释放食物中的能量。 Without this niftily facilitating trick, life on Earth today would be nothing more than a sludge of simple microbes. 没有

发表于:2019-02-17 / 阅读(81) / 评论(0)

万物简史

英语听力精选进阶版 6427

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(45) / 评论(0)

英语听力精选进阶版

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acute phrenopleuritis

ball collar thrust bearing