Have You Met the Perfect Tenses?

Editors note: This is the third episode of four-part series on verb tenses. Be sure to listen to part one and part two first. For VOA Learning English, this is Everyday Grammar. Today we are going to talk about the perfect verb tenses. Perfect tenses

SSS 2008-12-31

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

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图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

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听力题目： 3. (A). Some of the milk was stored. (B). She brought some milk at the store . (C).The milk spilled on the floor. (D). She sent him to the store for some milk. 4. (A). Do you know where the office is? (B). Why dont you look for an off

SSS 2011-10-21

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

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2014年ESL之商务英语 18 Describing Order and Sequence

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

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Model 2 What did you think about the movie? John: So what did you think about the movie? Laura: Well I think this Star Wars episode is an excellent piece of work, but not as good as the previous ones. John: Really? But I think this Star Wars episode

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图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

A Few Films For All Holiday Moviegoers

What makes a film right for the holidays? It has to appeal to the whole family and moviegoers of all ages. This year, three high-budget films meet the requirements. Star Wars: The Last Jedi was released widely last Friday. The political thriller, The

'Black Panther' Breaks Twitter Record

This is Whats Trending The superhero movie Black Panther has already broken records at the box office. Now, it has broken a record on Twitter, too. The social media company says Black Panther is officially the most-tweeted-about movie ever. Twitter s

运动休闲－为防禽流感八角茴香走俏南中国市场

A Chinese spice that increases the flavour of food has become the centre of public attention, thanks to the growing profile of bird flu . Star anise, a herbal fruit mainly grown in China, as well as V

SSS 2008-08-07

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

SSS 2008-05-13

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

2015-03-20 BBC:星光七纪元-18

Now the Sun will be burning hydrogen as the stars doing in the main sequence until the hydrogen is exhausted in the core, and at that point the stars start to die, the outer layer of the Sun will expand, the Sun will move away from the main sequence

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Human fertilization process discovered

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

Lesson 9-2:Dates 日期

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

Lesson 55-1 In the Library 在图书馆

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

《柯南脱口秀》第60期:美国梦

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你