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

美国小学英语教材6:第19课 森林恐怖之王(8)

Quickly now and loudly we counted the whiskers and tied them with grass to protect them from the natives. 我们大声地数着老虎的胡须，将胡须和杂草捆在一起，从而保护土著居民。 For tiger whiskers are the most useful sort

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

英语听力 暮光之城•暮色 第292期:第十七章 游戏(17)

I picked myself up, ignoring him as I brushed the mud and bracken off the back of my jacket. 我自己挣扎着站起来，不去理会他，只是把外套后面的泥泞和蕨类植物拍掉。 That only made him laugh harder. Annoyed, I began to s

VOA慢速英语2010年-Health Report - New Test Could Speed T

This is the VOA Special English Health Report. Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also di

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

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

名校励志英语演讲 61:拯救世界 拯救儿童

To be sure, I would like them to remember how I always wanted them with me wherever I went, how I always tried to put them before everything else. But there are also challenges in their lives. Because my kids are stalked by paparazzi, they can't alwa

【英语4级听力】暗恋者-The Stalker

Samantha Williams was a young and pretty woman. Men were always asking her out on dates. Samantha did not want a boyfriend. She nicely said no to every man that asked her out. This broke many men's hearts. However, most of the men would just move on.

纸牌屋第一季 第116期:真的挺可爱

So, 那个 you know, we don't have to talk if you don't want to. 你不想谈就不要勉强 But I haven't seen you in, like, 不过我们 six months. 六个月没见了 Except for when I drunkenly stalked you at your... 除了我上回喝醉了跟踪你

60秒科学:Cigarettes Are Bacteria Sticks,Too

Cigarettes Are Bacteria Sticks, Too A study in the journal Environmental Health Perspectives finds that cigarettes harbor various species of bacteria, some of which cause disease. Karen Hopkin reports This January, the country Turkey will join a hand

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

英语听力文摘 English Digest 112、在网上被跟踪

Dear Annie: I'm a 15-year-old girl who has been having problems with another girl for about a year. She's basically stalking me over the computer. I've received multiple threatening messages from her on MySpace. She says, Why don't you just go and ki

双语有声阅读：Bacteria

48 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 bac