弯曲应力疲劳极限

AP 2011-12-25

1. The White House says President Barack Obama has called House Speaker John Boehner and Senate Majority leader Harry Reid, to urge them to end the payroll tax cut standoff. Obama says he wants the House back in session to pass a two-month extension

发表于:2018-12-01 / 阅读(118) / 评论(0)

美联社新闻一分钟2011(十二月)

美国国家公共电台 NPR Lost Art Of Bending Over: How Other Cultures Spare Their Spines

STEVE INSKEEP, HOST: Here's something people do every day that many of us apparently do wrong - bending over, you know, to pick things up or put things down or even just to sit down. Now, a group of scientists who study bending say Americans are doin

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2018年NPR美国国家公共电台2月

英语复述材料-第三辑lesson88

Mary wanted to be a nurse when she left school, but in the meanwhile, she joined the Red Cross and had some limited training. She was tought that, in case of an accident, and there was painterful in her town, she should give first aid at once and the

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英语复述材料-第三辑

机械类词汇大全-49

2017 、边缘处理 edging 2018 、链条 chain 2019 、链传动 chaindrive 2020 、链轮 chainwheel 2021 、链轮齿 sprocket 2022 、镗孔 boring 2023 、錾 chisel 2024 、关锁装置

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英文名句短语

VOA慢速英语2015 工作压力影响飞行员的心理健康

Psychology, Stress Influence Pilots' Mental Health 工作压力影响飞行员的心理健康 Some are asking whether personality tests could have prevented co-pilot Andreas Lubitz from crashing a Germanwings passenger airplane in the French Alps on

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2015年VOA慢速英语(四)月

英语角-圆桌会议 RoundTable0825 - 学外语的正确打开方式Get√

Topic1-Rating your doctor A new guideline document from the national government, concerning a new doctor-evaluating system said that patients' post-treating review for doctors would in future affect the doctors career development. Won't such reviews

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英语角-圆桌会议

奥运28大项第44课 BACKSTROKE仰泳

北京奥运28大项参与，竞争，分享，进步 Swimming 游泳 BACKSTROKE 仰泳 Prior to the starting signal, the swimmers shall line up in the water facing the starting end, with both hands holding the starting grips. Standing in or on the gutter or bending th

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奥运28大项比赛

春之女神着素装

spring goeth all in white robert bridges spring goeth all in white, crowned with milk-white may; in fleecy flocks of light, o'er heaven the white clouds stray; white butterflies in the air; white daisies prank the ground; the cherry and hoary pear, s

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有声杂志阅读

简单慢速英语阅读:A Windy Day

The pilot and the passenger got into the plane. It was a small plane. It had one engine. It was an old plane. The pilot started the engine. Are you okay? he asked the passenger. She said she was okay. They were flying to an island. The island was onl

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简单慢速英语阅读

为什么你减肥总是不成功?警惕这十大绊脚石

Have you ever found yourself staring down at an empty bowl of ice cream wondering what just happened? 你是不是也遇到过这种情况：自己盯着空空如也的冰激凌杯，在想刚刚到底发生了什么？ Or holding an empty bag of M a

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实用英语

VOA标准英语2009年-New Study Shows High Rate Of Stress Among

By Carol Pearson Washington 26 September 2009 As the H1N1 swine flu virus spreads rapidly through the Northern Hemisphere, doctors and other health care professionals face a heavier-than-usual workload. Even without a flu pandemic, studies show, up

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VOA标准英语2009年(九月)

VOA标准英语2012--Therapy Dogs Help US Veterans Beat Stress Disorders

Therapy Dogs Help US Veterans Beat Stress Disorders Simonsen, the senior enlisted leader at Joint Base Anacostia-Bolling in Washington, D.C. suffers from post traumatic stress disorder and a traumatic brain injury he received while deployed in Afghan

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VOA标准英语2012年(八月)

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A gentleman who had traveled in Europe, relates that he one day visited the hospital of Berlin, 一位绅士曾去欧洲旅行，有一天，他去参观柏林一家医院。 where he saw a man whose exterior was very striking. 在医院里，他遇见

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美国语文第五册

经济学人104:一种受外力时硬度提高的新材料

Science and Technology Materials science Stronger when stricken 科技材料科学越敲越结实 A new material that gets stiffer when it is stressed 一种受外力时硬度提高的新材料 ONE of the valuable properties of bone is that when it

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请看相关报道： Wang Lijun, Chongqing's former vice-mayor and police chief, has been charged with bending the law for selfish ends, defection, abuse of power and bribe-taking by the Chengdu City People's Procuratorate. 重庆市原副市长、公

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英文语法词汇

A Little Girl Lost

Children of the future age, Reading this indignant page, Know that in a former time Love, sweet love, was thought a crime. In the age of gold, Free from winter's cold, Youth and maiden bright, To the holy light, Naked in the sunny beams delight. Once

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阅读空间

Eleven Ways to Reduce Morning Stress

Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal

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放假比上班更痛苦

For most of us, the purpose of the holidays is to bring peace, love,and goodwill towards all. Yet, for many, the holiday season often meansstress, fatigue, pressure, disappointment and loneliness。对我们大多数人来说，休假的目的是为获

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阅读空间

莎士比亚十四行诗全集:第116篇

Let me not to the marriage of true minds 呵，我绝不让两颗真心遇到障碍 Admit impediments. Love is not love 难成百年之好。爱不是真爱， Which alters when it alteration finds, 如果对方转弯自己立刻转向， Or bends wi

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莎士比亚十四行诗全集

双语有声阅读：当你老了

第三部分你见过那棵树吗 My neighbor Mrs. Gargan first told me about it. Have you seen the tree? she asked as I was sitting in the backyard enjoying the October twilight. 关于那棵树，最初是我的邻居加根太太告诉我的。你见

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双语有声阅读

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altabe

an eight-hour day

and your little dog too