标签：Carbon 相关文章
1. A? His father. B? His mother. C? His brother. D? His sister. 2. A? A job opportunity. B? A position as general manager. C? A big travel agency. D? An inexperienced salesman. 3. A? Having a break. B? Continuing the meeting. C? Moving on
大学四级英语考试听力真题
Diamonds Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond can make a slight cut in a diamond. Diamonds are made from carbon.
双语有声阅读
President Donald Trump is withdrawing the United States from the 2015 Paris climate change agreement. This makes the U.S. one of three countries to reject the international accord. Trump said the agreement hurts the U.S. economy and American workers.
2017年VOA慢速英语(六)月
Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea
英国学生科学读本
I am extremely privileged to be part of the Obama administration. If there ever was a time to help steer America and the world towards a path of sustainable energy, now is the time. 能够成为奥巴马政府的一员，我感到极其荣幸。如果有
TED演讲教育篇
导购口语: I'd like to see the Apple computers. Do you have? 我想看看那苹果公司生产的电脑，有吗？ My office needs two copy machines. 我办公室需要2台复印机。 Here's a list of the items I want for my office: two boxes of
最In导购口语
Topic1-Rich kids or poor kids, who can be more successful? A controversial debate is brewing on Chinese social media. It goes like this: poor kids cannot turn their life around, that's a true testament to social equality in today's China. Is it fair?
英语角-圆桌会议
What do you think are the biggest energy users in your home? Your list most likely includes your A.C., fridge, washing machine, etc. But you would be surprised to know that your smart phone is one of the biggest energy hog in your home. Charging the
轻松英文阅读
We have to do something about pollution. Even though there are warnings about global warming, companies dont do anything to reduce pollution. Our sky, air, rivers, beaches and countryside are becoming rubbish dumps. The air is so polluted it is givin
听一分钟英文-C
World Environment Day (WED) is a day we all need to put in our diaries. It happens on June 5 every year and should be one of the most important days of the holiday calendar. WED was created in 1972 by the United Nations General Assembly. The environm
世界节假日博览
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, our guest is Professor Rob Jackson, director of the Global Change Center at Duke University. He's with us to explain some of the language of ecology and climate change. RS: And we
词汇大师(Wordmaster)
今天学的词组是take a toll。 Take-a-toll意思是由于天灾、疾病、事故等造成的损失。 最近有报道说，在加拿大西部，人工养殖的鲑鱼把一种寄生虫散布到附近海域，导致野生鲑鱼大量死亡，Para
英语每日一词
JUDY WOODRUFF: Finally tonight: Yesterday was Earth Day, with celebrations around the globe. Hari Sreenivasan talked recently to a geologist who is also the host of a new film. And he's traveled the globe looking for ways human ingenuity has solved t
PBS访谈环境系列
Shining a light on Edison 爱迪生的灵光一现 To make a good idea work, you need to be persistence. I learned this lesson through someone else, Thomas Edison. In 1878, the public became very excited when Edison announced he was going to have a s
英语小达人
Forests and CO2 森林和二氧化碳 The amount of fossil fuel emissions released into the atmosphere has steadily risen since the Industrial Revolution. But recently, part of those emissions have been disappearing. Learn more about forests and CO2 -- on
(科普英语)Earth and Sky
Can we help the environment by being green? We all know that humans are damaging the environment, but what can we do about it? Some people are trying to do their bit to try to be more environmentally friendly . Local councils in Britain encourage ce
Take Away English
Ruth: So Akane, is there anything that youre frightened of? Akane: Well Im, Im really scared of horror movies. I never watch them, cuz they really really frighten me. Ruth: Horror movies wow. Have your ever seen a horror movie? Akane: Well, um, when
原版英语对话1000个
Kerry Hears Concerns About Iran Nuclear Agreement 克里听取对伊朗核协议的担忧 In the news today U.S. Secretary of State John Kerry is hearing concerns about the agreement reached with Iran last month to limit its nuclear activities. Mr. K
2015年VOA慢速英语(八)月
AS IT IS 2015-06-09 Conference Urges Protection of Wetlands Hundreds of millions of people around the world depend on wetlands for their livelihoods, such as fishing or farming. However, since 1900, experts say 64 percent of wetlands have disappeared
2015年VOA慢速英语(六)月