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 2008-08-27

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

蒋健棠英语实用句子(48):He is immune to chickenpox

He is immune to chickenpox, he had it as a child. 他对水痘免疫，他小时候就得过了。 immune表示免疫的，immune system就是指身体的免疫系统；而对...有免疫力就用be immune to...这个词组。

你需要锻炼身体的三个原因

1. It helps with addiction control 1.锻炼有助于控制癖嗜 The brain releases dopamine, which responds to any form of pleasure, be it sex, drugs, alcohol or food. Some people become addicted to dopamine and substances that produce itespecially

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It's time for a new year and a new you, but perhaps your heart is not in it this time around. Maybe you're jaded from too many failed New Year's resolutions, or maybe you're just not feeling motivated these days. Here are a few reasons why you may no

艾滋病疫苗研究

HIV Vaccine Research 艾滋病疫苗研究 Two years ago, Jason Brenchley took part in an HIV vaccine trial sponsored by the U.S. National Institutes of Health. An NIH researcher himself, Mr. Brenchle

成功的秘诀其实并不深奥

You want to know the secret to success? Here it is: 你想知道成功的秘诀吗？下面我就告诉你： Believe in yourself so much, that no one else can tell you otherwise. 要足够相信自己，这样就没有人能对你指手画脚了。

VOA慢速英语 SCIENCE IN THE NEWS - How Autoimmune Diseases Attack

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system the body's

VOA标准英语2010年-Combined Smallpox-Anthrax Vaccine Pass

Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att

VOA标准英语2011--Scientists Target Antibodies That Work A

Scientists Target Antibodies That Work Against Many HIV Mutations The search for a vaccine against HIV/AIDS has been disappointing, in part because the virus cleverly changes to elude the antibodies of the human immune system. Now, scientists have id

VOA标准英语2013--Study: Immune System Weakens in Space

Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system

第213期:炎炎夏日,你为何需要一杯柠檬水

今天分享的是柠檬水的妙用。 重点词汇 immune system 免疫系统; potassium n.化钾; freshen vt.使新鲜; 使清爽，使有精神，把（自己）盥洗一番; 1. Gives your immune system a boost. 2. Excellent source of potassium.

你的生活为什么就是没动力？

1. It's medical. 身体原因。 Check with your doctor to see if the reason for your lethargy is medically related. Perhaps you're depressed or low on iron there are plenty of medical conditions that can cause you to be too tired to be motivated, so

学个词Learn a Word 第1494课 immune

今天我们要学的词是immune。Immune, 的意思是免疫的，比如，immune system就是指免疫系统， immune disease则是免疫系统疾病。Immune还可以指免除的,不受影响的. Apple's OS X, which has long been considered immu

VOA标准英语10月-Kenya Not Immune From Global Downturn

Developing countries in Africa are bracing for serious setbacks in their economies. One of the countries that may feel the effects of the downturn more acutely than others is Kenya, which suffered months of political unrest earlier this year. VOA Co

经济学人340:社会地位与健康 贫困指数

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4 Secrets To Never Getting Sick 从不生病的4个小秘密 Ever wonder why you always seem to come down with a life-interrupting virus this time of year, while other women you know sail through the seasons sniffle-, cough-, and ache-free? 有没有想

乔布斯传 第351期:苹果坠落(4)

He wanted Amelio to help him return to Apple as the CEO. 他想让阿梅里奥帮助他回到苹果担任CEO。 There's only one person who can rally the Apple troops, Jobs said, only one person who can straighten out the company. 只有一个人可以