单词：cellular layer
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CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs
上海牛津初中英语九年级
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
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[00:17.46]The Call [00:21.64]电话 [00:40.63]Forgetting the previous episode, [00:42.72]she ran to the phone before it woke the kids [00:45.39]and shattered her peace. [00:48.13]Snatching up the receiver, she blurted, [00:51.32]Hello?. I'm closer repo
英语灵异故事
This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us
Scientific American(七)月
Healing Elbows And Eyeballs A scratch to the surface of your eye heals quite rapidly, often in a matter of minutes. But a surface scratch on your elbow takes days rather than minutes to heal. The reason for these different rates of healing is directl
英语时差8，16
There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
P-MAC packet media access controller PAD packet assembler-disassembler PCB printed circuit board PDS premises distribution system Personal Communications Personal communications provides at least one
电信英语
Get with it! 跟上(时势、潮流、事情的发现状况等)吧! A: You know. I noticed that almost everyone in my class owns a cell phone. A: 你知道吗? 我发觉我们班上几乎每一个人都有一台手机。 B: Please! Cell phones are a
美国俚语
A: May I exchange this DVD player? B: Certainly. Do you have your receipt? A: Here you are. B: Now, why do you want to exchange it? A: It won't play a DVD. B: I'm sorry. I'll get you a new player. A: At first, I thought it was me. B: Okay, here's a n
购物英语对话
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
纯正英语一分钟
HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy
2006年慢速英语(十一)月
German scientists dug 50 meters down and discovered small pieces of copper. After studying these pieces for a long time, Germany announced that the ancient Germans 25,000 years ago had a nation-wide telephone net. Naturally, the Russian government wa
趣味英语
A new study has shown that we tend to remember the bad times better than the good. The study, from Boston College psychologist, Elizabeth Kensinger and colleagues, has suggested that we retain and bear in mind events that carry negative emotional bur
阅读空间
Science and technology 科学技术 Surviving strokes 挺过中风 Living on 继续活着 Why some cells survive strokes while others don't 为什么有些细胞能幸免于中风，而另一些则不能 WHEN dealing with a strokea loss of blood supp
经济学人科技系列
节奏布鲁斯:Cheryl Cole - Better to Lie 相关介绍 ：切尔西天王阿什利-科尔的前妻谢莉尔近日推出了自己的最新专辑《Messy Little Raindrops》，在这张专辑的封面上，谢莉尔一身橙色与粉色相间的连衣裙
节奏布鲁斯