单词：primary prothallial cell
单词：primary prothallial cell 相关文章
Topics: Elections in the U.S., to prove someone wrong, effect vs. affect, to wait on someone vs. to wait for someone, big vs. large, Im fine vs. Im good vs. Im well Words: primary election to take office legislative midterm elections term of office t
美语听力 English Cafe
What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i
英语听力文摘 English Digest
By Melinda Smith Washington, DC 22 June 2006 watch Stem Cell report A new medical treatment injecting embryonic stem cells and other drugs into paralyzed mice has researchers wondering if it could eventually help humans suffering from Parkinson's an
2006年VOA标准英语（六月）
A: Nice to see you; how have you been feeling lately? B: I have been feeling great, Dr. Smith. A: I am happy that you have decided to come in for your annual physical. B: Yes, I am going on a cross-country bike ride on vacation and want to make sure
英语情景对话-健康
A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A
英语情景对话-健康
A: Good morning, how are you doing today? B: I have been feeling pretty good, Dr. Smith. A: So, I can see by your chart that you are here for your annual physical. B: Yes, I am playing on the tennis team this year, and they are requiring me to get a
英语情景对话-健康
By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro
2006年VOA标准英语（八月）
This is the VOA Special English Health Report. How important is your mobile phone, better known to Americans as a cell phone? MAN: I use my phone all the time. I'm always on my phone. WOMAN: It's kind of pretty much important to me because it's like
2011年VOA慢速英语(三)月
Power Your Laptop by Taking a Walk Scientists at the University of Wisconsin-Madison have developed a technology that turns human motion into electricity. In this week's journal Nature Communications, they describe how to power a cell phone or other
VOA标准英语2011年(八月)
Scientists Point to Possible Health Effects of Cell Phones This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association f
VOA标准英语2011年(八月)
Fire Dept. shoulders costs in neighborhoods lacking doctors and medical clinics Chris Simkins | Washington, DC 20 November 2009 In large cities like Washington, to ensure the fastest response to medical calls, fire departments dispatch trucks carryi
VOA标准英语2009年(十一月)
Topics: Trouble with my car, Ask an American: Home Schooling, breakthrough versus to break through, to ride shotgun Words: to stick (something) into (something) ignition to turn over jumper cables to home-school to be better off primary character to
美语听力 English Cafe
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
a butterfly with glowing eyes Believe it or not, Monteiro and her team insert ed a new gene into the butterflys genetic sequenceone taken from a jellyfish . No, I know you're fooling. Actually I'm not. This gene codes for a green florescent protein t
英语听力文摘 English Digest
Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todayss Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm
英语听力文摘 English Digest
Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,
英语听力文摘 English Digest
By Jeffrey Young Washington 14 December 2007 The central U.S. state of Iowa, and several other states, have an alternative way to select presidential nominees for the Democratic and Republican parties. In this segment of How America Elects, VOA's Jef
VOA常速英语2007年（十二月）
By Amanda Cassandra New York 09 November 2006 Movie star Robert Redford's Sundance Film Festival is teaming up with global cell phone operators to bring short films to cell phones to give people around the world access to independent films. Robert R
2006年VOA标准英语（十一月)
Topics: Alcatraz; The Simpsons; using negation with an infinitive; heaven versus heavens; kind of versus sort of versus type of Words: to escape guard jailbreak cover-up cell haunted animated dysfunctional family trouble-maker pacifier merchandise le
美语听力 English Cafe
Topics: Types of prisons and the parole system; American cities: Austin; using prepositions with the days of the week; for the world to owe (one) something; late/early morning, afternoon, and evening Words: prison to pose a threat solitary confinemen
美语听力 English Cafe