新东方优美背诵短文50篇 Unit48:Bacteria

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

新东方背诵文选 L48 Bacteria

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

创新英语-Shopping Carts Covered in Bacteria

A new study into the hygiene of supermarkets has found that shopping carts are dirtier than the stores bathrooms. Microbiologist Dr Charles Gerba of the University of Arizona conducted research on the handles of 85 carts in four American states. He r

VOA标准英语2012--Report: Africa Agricultural Reforms Could Ensure Food Security

Report: Africa Agricultural Reforms Could Ensure Food Security Experts say Africa needs agricultural market reforms if its going to overcome food shortages and high prices. A new report outlines what it calls high payoff, low-cost solutions. The Alli

英文书摘精选 What Are Sulfites?亚硫酸盐是什么?

Youve just opened a bottle of wine for dinner. On the label, you see these words: Contains Sulfites. What are sulfites? And what are they doing in your wine? 设想一下，你在晚餐时刚刚打开了一瓶酒，你会在酒瓶的标签上看到：含

SSS 2008-09-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sometimes a bit of bacteria can be just what the doctor ordered. If you prize yogurt for its active cultures, you know what Im talking about. Now a new s

SSS 2010-03-16

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

英文书摘精选 Why Lettuce Should NOT Be Frozen为什么莴苣不能冷冻

Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 你在闲逛超市的冷冻食品区的时候，会看到有冷冻玉米、冷冻豌

漫画搞定六级词汇(音频+文本) 第94期

图片1 ban n. 禁令 vt. 禁止，取缔（书刊等） 例句：A ban on the importation of drugs had been issue recently. 最近已经发布了禁止进口毒品的法令。 forbid vt. 禁止，不许 v. 禁止 例句：Lack of time forbids any fu

英语听力文摘 English Digest 654 为什么莴苣不能冷冻

Why Lettuce Should NOT Be Frozen Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 图片1 Why Cant I Freeze Lettuce? Freezing is a

英语听力文摘 English Digest 659 亚硫酸盐是什么？

What Are Sulfites? Youve just opened a bottle of wine for dinner. On the label, you see these words: Contains Sulfites. What are sulfites? And what are they doing in your wine? 图片1 Chemical Compounds Sulfites are chemical compounds found naturall

VOA常速英语2008年-Antibiotic-Resistant Bacteria Poses Threat to P

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

胡敏读故事记单词托福词汇206

206. The spinal cord operation脊髓手术 spectra-sponge There was a lecture given at a medical school on a spinal cord operation. The professor began: In order to have a speedy but safe operation, one must speculate on the entire spectrum of possib

VOA慢速英语2011--Gut Bacteria: We Are What We Eat

HealthReport-GutBacteria:WeAreWhatWeEat This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are expl

Experts: Let Produce Dry Out to Avoid Bacteria

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

VOA标准英语2011--E coli: Good Bacteria Gone Bad

E coli: Good Bacteria Gone Bad As a major outbreak of a highly toxic strain of E. coli bacteria continues to sicken residents of Europe, medical experts are racing to find the source. E. coli doesn't usually cause any trouble, says University of Minn

王强口语 第二册 Dictation 014

Lesson Fourteen 听力部分 Dictation: Please prepare your paper and pen. We keep ____ in the _________ to ______ its _______ and ___________. ________________ keep _________ and inhibit the _____ of most ______. However, ____ spoilage microorganism

Death Toll Rises From Deadly European Bacteria

European and World Health Organization scientists say a deadly outbreak of E. coli bacteria that has killed 18 people is a rare and virulent(致命的) strain of the bacteria. The latest victim died Wednesday night in Germany. The United Nations agen

Using bacteria to generate energy hopeful

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

2011年金融英语考试常用词语总汇

a flat percentage rate of income 统一比率的所得税税率 a long position 多头部位，利多形势 a long position 多头寸；买进的期货合同 a put option on a debt security 债务证券的卖出版权 a sales slip 签购单据，售货