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

奥运28大项第47课 Synchronized Swimming 花样游泳 01

北京奥运28大项 参与，竞争，分享，进步 Synchronized Swimming 花样游泳 英文原文 The events of Synchronized Swimming are Solos, Duets, Teams and Free Combination. Competitors in Synchronized Swimming younger than fifteen (15) years of age (on December

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

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

奥运28大项第48课 Synchronized Swimming花样游泳 02

北京奥运28大项 参与，竞争，分享，进步 Synchronized Swimming 花样游泳 MUSIC ACCOMPANIMENTS 音乐伴奏 英文原文 The Sound Centre Manager shall be responsible for the securing and properly presenting the accompaniment for each routine. For FINA competiti

英语语法：173 Funny Homophones

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

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

HEALTH REPORT - Bacteria in Food

HEALTH REPORT -August 7, 2002: Bacteria in Food This is the VOA Special English Health Report. An American food company recently recalled about eight-million kilograms of ground beef that is used to m

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2009年-New England Town Brings Rockwell's Chr

Every year around Christmas, Stockbridge, a small town in western Massachusetts, puts on a display unlike any other in the US. The celebrated American artist Norman Rockwell, who passed away some 30 years ago, used the New England town as the setting

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

VOA标准英语2010年-Omo River Dams in Ethiopia: Blessing o

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

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

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