单词：ammonibacteria
单词：ammonibacteria 相关文章
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
新概念优美背诵短文50篇
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
新东方背诵文选
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
创新英语
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
Scientific American(九)月
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
Scientific American(三)月
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常速英语2008年（二月）
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
2011年VOA慢速英语(九)月
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
2015年VOA慢速英语(七)月
When he looked up at poor Meggie, she seemed to be very high above him. 当他往上看可怜的梅吉时，她好像在他上面很高的位置。 Moni saw that it was going to be hard to reach the young goat, 莫尼知道他很难到达小山羊那里
美国小学英语教材4
Moni reached her side and stood listening also. Suddenly he heard a faint bleat. 莫尼来到她的身边，也站在那里听。他突然听到了一阵微弱的咩咩声。 It was Meggie's voice coming up from below, a pitiful and frightened call f
美国小学英语教材4
How long they would have been standing there I do not know, 如果格雷特苏丹没有及时赶上去， if the Great Sultan had not caught up to them just in time to see what was happening. 看到正在发生的事情的话，不知道他们还要在
美国小学英语教材4
He was wondering if he might try to climb a new side of the mountain this afternoon. 莫尼在想他下午是不是可以试着爬到他未曾去过的山的另一侧。 It would be fun to lead the goats high up to the Three Dragon Stones, where the
美国小学英语教材4
Sing, birds, on the high slopes; 鸟儿在高高的山坡上歌唱； Sing where the fir trees grow. 在杉树丛生的地方歌唱。 Whenever you sing the sun comes out. 只要听到你的歌唱，太阳就会出现。 And the rain is sure to go. 雨
美国小学英语教材4
The rest of the flock came, one after the other, to see the goatherd, 其他的山羊也会一个接一个地走过来看看莫尼， and each of the animals had his own way of showing his love for Moni. 而且每只山羊都有自己向莫尼表达爱
美国小学英语教材4
MONI AND HIS GOATS 莫尼和他的山羊 JOHANNA SPYRI 约翰娜施皮里 Moni was a goat boy in Switzerland. 莫尼是瑞士的一个牧羊男孩。 In the villages of that country, each family generally keeps a few goats for their milk. 在那个国家
美国小学英语教材4
By Steve Herman New Delhi 15 October 2007 Sri Lanka is defending its decision to reject a call by a top U.N. envoy for an international mission to monitor human rights on the divided island nation. VOA Correspondent Steve Herman reports from New Delh
2007年VOA常速英语（十月）
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
英语新闻
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
英语新闻
Garza's Art Works Carmen Lomas Garza's eloquent etchings, lithographs, and gouache paintings depict primal images of the rural environment and communal cultural experience of Mexican decended people in the United States. In an introspective and perso
双语有声阅读
Yang Maoyuan is a Chinese multidisciplinary artist particularly noted for his taxidermy techniques to misshape an animal, like camels and horses. He has recently had a piece of his artwork on exhibition at the Beijing Minsheng Art Museum. The artist
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