美国国家公共电台 NPR Military Victory But Political Defeat: The Tet Offensive 50 Years Later

DAVID GREENE, HOST: All this year, we are looking at the events of 1968 that continue to shape our world today. It was 50 years ago this week when thousands of North Vietnamese troops and their Viet Cong allies launched an audacious attack sweeping i

太阳科普 第6期

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条，都是微量复杂元素造成的 metals like iron and magnesium. 好比说

人教全日制普通高中英语（必修）高二上07

[00:06.79]Jane works at the Center for Disease Control and prevention [00:12.12]as a disease detective. [00:15.46]Listen to the tape and answer the questions. [00:19.91]The Diseases detective. [00:23.46]Jane is one of the experts at the Center for Di

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

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

专业术语—皮肤科词汇中英对照(20)

草莓的作用

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

VOA慢速英语 2008 0217

VOICE ONE: This is Faith Lapidus. VOICE TWO: Cole Porter And this is Steve Ember with People in America in VOA Special English. Today we bring you the second part of our program about American songwriter Cole Porter. Porter wrote his songs from the

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

How to Overcome Laziness

Australian researchers have identified a new condition characterized by extreme laziness: motivational deficiency disorder (MoDeD). MoDeD is far different from being a couch potato when you get home from work or sleeping in late on a Sunday morning.

永远设立更高的目标

当你给自己设定了一个目标之后，你是踌躇满志还是心存怀疑？当你没有如愿实现自己的目标时，你是不是就此降低对自己的期望？这篇短文将告诉你：矢志不移地追求你的目标，不妄自菲薄

Breastfeeding and AIDS

23 患爱滋病的母亲不宜母乳喂养婴儿 DATE=3-19-01 TITLE=DEVELOPMENT REPORT - Breastfeeding and AIDS BYLINE=Jill Moss (Start at 1'00

在购物清单上加上这些健康食品吧

Avocado 牛油果 In addition to its flavorful taste and rich and creamy texture, this fruit (yep, it is indeed a fruit!) is loaded with antioxidants and can help you lower your bad cholesterol. Whether you eat it in a salad, spread on toast, or even

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

让你增加工作活力的5个方法

让你增加工作活力的5个方法 1. Engage in a quick conversation with a high-energy colleague. Their positive energy may refresh you. (Just be careful not to drag them down!) 与精力充沛的同事进行短暂的交谈。他们积极的干劲会

有效的睡眠疗法

Sleep well, sleep better If sleep has plunged to the bottom of your to-do list, you're not alone. Although the National Sleep Foundation recommends getting seven to nine hours of sleep a night, the average American logs only six hours and 40 minutes.

英语笑话听力+文本：对历史不很了解

【生词预览】 detect查明、测出，mental智力的，deficiency缺陷、不足，confess承认 【笑话原文】 Dont Know Much about History Would you mind telling me, Doctor, Bob asked, how you detect a mental deficiency in somebody who ap

乔布斯 第229期:靠自己(8)

Jobs's passion for perfection was out of control. 乔布斯对于完美的热情已然失控。 When he noticed a tiny line in the chassis caused by the molds, 当他注意到模具在机箱底盘上留下的微小细纹时， something that any othe

多吃芹菜 健康好处多多

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

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