单词：active-passive cell
单词：active-passive cell 相关文章
1.Don't Use Adverbs 1.不要用副词 The adverb is not your friend. Adverbs are words that modify verbs, adjectives, or other adverbs. Theyre the ones that usually end in -ly. With adverbs, the writer usually tells us he or she is afraid he/she isnt
英语作文
How and Why We Sleep? It's apparent that everyone needs to sleep.However,most people vary think about how and why they sleep.We know that if we sleep well,we felt rested.If we don't sleep enough,we often felt tired and irritable.It seems there are tw
英语专业四级考试指南
By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
英语语法:说说主动被动语态那点事儿 Some English teachers actively encourage their students to depend on active voice, while others allow their students to depend on passive voice. Whats the difference, and why is the difference importa
英语语法视频
Victor：今天我们来谈一下伟大的画家达芬奇吧。 Nancy：Da Vinci painted the Last Supper， also we can say The Last Supper was painted by Da Vinci. Victor：Nancy! 达芬奇，最后的晚餐，这两句话是一个意思？ Nancy：right! Heres where we can use active voice
英语口语红宝书
Requirements of language One, if you want your audience to understand your massage, your language must be simple and clear. Two, use short words and short sentences. Three, do not use jargon(专门术语, 行话, 土语)unless you are certain that yo
国际英文演讲高手带翻译
Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th
英语语法 Grammar Girl
by Mignon Fogarty Today's topic is active voice versus passive voice. The podcast edition of this article was sponsored by GoToMeeting. With this meeting service, you can hold your meetings over the Internet and give presentations, product demos and
英语语法 Grammar Girl
Todd: Hey, so Jeff, you have an MBA, or you're studying to get an MBA? Jeff: I'm studying to get an MBA. Todd: OK, why did you choose to get an MBA. You don't seem like the business type of guy. YOu're always talking about nature and travel and art.
原版英语对话1000个
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
国家地理2008年
If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i
Scientific American(十)月
Everyday Grammar: When Passive Is Better than Active 英语日常语法:被动语态 This Everyday Grammar is all about the passive voice. The passive is a verb form in which the subject receives the action of the verb. For example, I was born on a S
2015年VOA慢速英语(六)月
Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy
60秒科学
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
So how can a hormone ultimately affect the rate of aging? 那么，激素到底是怎样影响衰老的速度呢？ How could that work? 原理是什么呢？ Well it turns out that in the daf-2 mutants, 原来在daf-2变异体中 a whole lot of gene
TED演讲科学篇
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
Calm Old Age 淡定的老人们 Ya?l:So here is a question for our listeners: If there were a potion that would allow you to stay young forever, would you take it? Don: Thats obvious, Ya?l? Who wouldnt want to recapture their youth? Y：Im not so sur
英语听力文摘 English Digest
Todd: Hey, so Jeff, you have an MBA, or you're studying to get an MBA? Jeff: I'm studying to get an MBA. Todd: OK, why did you choose to get an MBA. You don't seem like the business type of guy. YOu're always talking about nature and travel and art.
英语趣味课堂