单词：production of context-free grammar
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Making Comparisons Female: Now we know that the English language is 1) set up for maximum 2) clarity. We also know that it’s important to make sure that all the units you’re talking about agree. M
疯狂英语2002年
Parts of Speech Female: Parts of speech are what we call the basic building blocks of language. They are all words or at least made up of words, but they all play different roles in the sentence. The
疯狂英语2002年
To celebrate the holidays we are releasing a free lesson from our recent business English audio /e-book: Presenting for Success. Free copies of the transcript and online activities for this episode will also be available to listeners on Christmas Day
商务英语演讲课
Broadcast: Jan 12, 2003 The Organization of Petroleum Exporting Countries has agreed to increase production to 24.5 million barrels per day to cover a shortfall of oil from Venezuela, where a six week
VOA2003（上）-商业论坛
天轮到汤姆和丹尼尔值日，他俩加快步伐来到了教室。汤姆负责擦黑板，而丹尼尔负责扫地。来看看他们做得怎么样吧。 Listen Read Learn Daniel: Don't talk too much, Tom. We are on duty today, we should hurry up. Tom: OK. (Daniel and Tom reach the classroom.) D
英语口语大赢家
Grammar Girl here. Today I'm going to play two listener comments that will lead us to a discussion of wordiness and idioms. Wordiness First, here's Tod in Canada from the todbits.com website: Can you help me correct people? Everyone that I know seems
英语语法 Grammar Girl
Grammar Girl here. Today I'm going to play two listener comments that will lead us to a discussion of wordiness and idioms. Wordiness First, here's Tod in Canada from the todbits.com website: Can you help me correct people? Everyone that I know seems
英语语法 Grammar Girl
Everyday Grammar: The Sounds of Grammar with Betty Azar Today we have a special guest host. Betty Azar is the most successful writer of grammar textbooks in the world. Generations of English learners will recognize her best-selling book Understanding
2015年VOA慢速英语(八)月
Everyday Grammar: 3 Grammar Rules That Are Dying For VOA Learning English, this is Everyday Grammar. Today we have good news for English learners. Just as words come and go in English, so do grammar rules. Today we will show you three difficult gramm
2015年VOA慢速英语(十一)月
研究称少吃肉既健康又环保 Cutting meat production and consumption by 30 percent would help to reduce carbon emissions and improve health in the most meat－loving nations，scientists said on Wednesday。 Using prediction models， British
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By Sabina Castelfranco Rome 22 April 2008 OPEC Secretary General Abdalla Salem el-Badri says the cartel plans to boost its oil production targets by five million barrels a day by 2012. He was speaking on the final day of the International Energy Foru
VOA常速英语2008年（四月）
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VOA2004（上）--各类新闻
TIANJIN, May 27 (Xinhua) -- China's first state-level animation production base opened Friday in northern Tianjin Municipality, with a total investment of 4.5 billion yuan (690 million U.S. dollars). More than 180 firms have signed up for animation p
英语新闻
BEIJING, Aug. 21 (Xinhua) -- Production safety in China has seen continuous improvement over the past decade, with decreasing numbers of both workplace accidents and deaths, an official said Tuesday. Huang Yi, spokesman for the State Administration o
英语新闻
Senior leader launches high-end automobile production base BEIJING, Oct. 27 (Xinhua) -- Senior leader Jia Qinglin has officially launched a high-end production base for Beijing Automotive's Chinese branded automobiles. Jia, a member of the Standing C
英语新闻
BEIJING, Feb. 27 (Xinhua) -- Senior Chinese legislators on Monday started their second deliberation on a draft amendment to the country's Law on the Promotion of Clean Production. At the three-day bimonthly session of the Standing Committee of the Na
英语新闻
BEIJING, July 23 (Xinhua) -- A Chinese dairy company has been ordered to suspend production after its infant formula products were found to contain the carcinogen aflatoxin, the nation's quality watchdog said Monday. Excessive amounts of aflatoxin we
英语新闻
U.S. President Barack Obama is announcing a new initiative to increase domestic oil production, while moving toward lowering the country's dependence on imported oil. In his weekly address Saturday, Obama said his administration plans to extend drill
英语新闻
Saudi Arabia is signaling that it is going to boost its supply of oil on its own after failing to convince other oil producers to jointly agree to more production. Several news agencies reported Saturday that the Saudis could increase their oil produ
英语新闻
hug: How do you learn English grammar? The purpose of learning grammar is to help learners to have a better understanding of the language. It is no use remembering grammar rules by rote because there are no rules without exceptions. It is sensible to
英语学习方法