新视野大学英语 读写教程第三册 unit2-a

Section (A)Iron and the Effects of Exercise Sports medicine experts have observed for years that endurance athletes, particularly females,frequently have iron deficiencies. Now a new study by a team of Purdue University researcherssuggests that even

NPR 2008-04-22

In her last chance to speak to the voters of Pennsylvania before tomorrow's primary, Senator Hillary Clinton went on a cross-state campaign swing today. Mark Nootbaar of member station WDUQ has more from Pittsburgh. Senator Clinton spoke about makin

美国有线新闻 CNN 2013-04-19

Good evening everyone, ten o'clock here in Boston. Just a few blocks fromBoston Marathon finish line where two small bombs caused such terrible,terrible carnage today, just hours into massive investigation, just moment webelieve from news conference

SSS 2009-12-14

Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

英文书摘精选 为什么昆虫的血是绿色的或是黄色的?

Why Is Insect Blood Green Or Yellow?为什么昆虫的血是绿色的或是黄色的? Youve probably heard someone use the phrase blood red, but have you ever wondered if all blood really is red? For example, think about the bugs youve seen splatter

Iodine Deficiency Disorders Plague Europe and Central Asia

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

SSS 2008-12-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals that live in cold climates tend to have stubby limbsshorter arms and legseven smaller ears and tails. Picture a penguin and youll see what I mean

英语听书《白鲸记》第905期

Now, when this strange circumstance was made known aft, the carpenter was at once commanded to do Queequeg's bidding, whatever it might include. 且说这件怪事传到船尾去时，那个木匠就立刻受命按照魁魁格的吩咐行事，把他所

2007年VOA标准英语-Iodine Deficiency Causing Health Problems in Gu

By Kari Barber Dakar 06 July 2007 After years of turmoil and economic hardship, the small West African nation of Guinea Bissau is facing a health challenge caused by the absence of iodine in the nation's diet. In countries where iodine is not already

VOA慢速英语20060111a

HEALTH REPORT - What Happens in a Stroke? Experts Liken It to a 'Brain Attack'By Cynthia Kirk Broadcast: Wednesday, January 11, 2006 I'm Steve Ember with the VOA Special English Health Report. Everyon

英语听书《白鲸记》第913期

Silent, slow, and solemn; bowing over still further his chronically broken back, he toiled away, 他不声不响，慢条斯理而一本正经；弓着他那长期佝偻的背，不停地干下去， as if toil were life itself, and the heavy beating

60秒科学:Gene for Disease Has Healthy Flip Side

Gene for Disease Has Healthy Flip Side A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports Sickle cell disease is

狗狗的鼻子为什么总是湿的？

Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的？ Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来，人类和狗狗都有十分特殊的关系，相互喜爱，相

Sleep deficiency affects many Americans: CDC

LOS ANGELES, March 3 (Xinhua) -- More and more American adults are suffering from a decline in overall sleep duration(持续时间), the U.S. Centers for Disease Control and Prevention (CDC) (疾病防治中心) said on Thursday. It's recommended tha

环球英语 — 133：Preventing Anaemia in Newborn Babies

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Mike Procter. 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 Imagine a baby boy. Lets call him

英语博客(A cup of English):Hot tub heaven

Beginners. Cold fingers, cold toes, chilly shoulders, and a cold nose. When the weather gets chilly, sometimes you feel as if the inside of your body is as cold as your extremities. Some how, putting on lots of clothes isn't enough. You long to get i

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

在每日工作中促进身体健康

我们周围的环境与我们的生活息息相关。由于我们至少每周要花四十个小时在工作上，因此为了你的健康和长寿，让你的工作场所尽可能有利于健康是至关重要的。这些只是几个可以让你将健

英语笑话听力+文本：Mental deficiency(智力缺陷)

[00:13.73]Mental deficiency [00:16.10]智力缺陷 [00:19.02]Would you mind telling me, Doctor, [00:22.09]Bob asked... [00:23.67]how you detect a mental deficiency in somebody [00:28.05]who appears completely normal? [00:31.34]Nothing is easier, he r

【饥饿游戏】08

Peeta Mellark. Peeta Mellark! Oh, no, I think. Not him. Because I recognize this name, although I have never spoken directly to its owner. Peeta Mellark. No, the odds are not in my favor today. I watch him as he makes his way toward the stage. Medium