新概念英语第四册Lesson 8 Trading standards

Lesson 8 Trading standards 贸易标准 First listen and then answer the following question. 听录音，然后回答以下问题。 What makes trading between rich countries difficult? Chickens slaughtered in the United States, claim officials in Bru

VOA标准英语2010年-CT Scan Radiation Draws Concern

Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und

SSS 2008-10-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei

词汇大师(Wordmaster)--New Standards Aim

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: new standards for English learners in American public schools. RS: One in nine public school students is a non-native English speaker; in twenty years, it could be one in four. Th

Humans to Mars Official NASA Goal, But What About Radiation?

Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per

VOA标准英语2013--New Standards Approved for Extractive Industries

'Cash Mob' Phenomenon Supports Local Business What do you get when you mix a store's need for more business with enthusiastic local consumers? A cash mob. Organized through social media, the phenomenon is based on the concept of a flash mob, where la

Health Experts Detail Radiation Symptoms

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation（放射） exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

VOA慢速英语2010年-Education Report - National Standards

This is the VOA Special English Education Report. Americans have never had national education standards. Goals for what public schools should teach are set by state and local school boards. Their members are often elected. But some Americans say the

VOA慢速英语2010年-SCIENCE IN THE NEWS - Keeping a Lookou

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

VOA慢速英语2011--No National Standards: A Strength or Wea

Education Report - No National Standards: A Strength or Weakness of US Schools This is the VOA Special English Education Report. What American students are expected to learn has long been different from state to state. We talked last week about the t

VOA标准英语2012--Steve Tyrell Showcases Pop, Jazz Standards on 'I'll Take Romance'

Steve Tyrell Showcases Pop, Jazz Standards on 'I'll Take Romance' Tyrell proves once again that romance never goes out of style. In fact, ever since he recorded The Way You Look Tonight on the soundtrack for the film Father Of The Bride, hes been reg

France Calls for Global Nuclear Safety Standards

French President Nicolas Sarkozy is calling for new international nuclear safety standards, warning radiation leaks at Japan's Fukushima Power Plant could affect the entire world. Sarkozy is calling for nuclear officials from the G20 group of industr

WHO Warns Against Self-Medication as Antidote to Radiation

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

Japanese Radiation Adviser Quits in Rebuke

A key Japanese adviser on radiation（放射 ） leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer

China to raise medical industry standards

BEIJING, Feb. 14 (Xinhua) -- The State Council, or China's Cabinet, has worked out a five-year plan (2011-2015) to raise standards and improve quality in the medicinal sector, including Western medicines, traditional Chinese medicine, and generic dru

food from Japan to be tested for radiation

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from（发源于） Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

VOA标准英语2010年-Body Scanners, Touted as Effective Too

Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But

U.S. finds low levels of radiation in milk

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine（碘） has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

CCTV9英语新闻：Golmud refinery working to meet emission standards

China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g

CCTV9英语新闻：Beijing addresses air pollution

Heavy smog is a big headache for Beijing residents. To find out how air pollution could be reined in, our reporter, Wang Hui, also visited the Beijing Municipal Environmental Protection Bureau. 5.6 million vehicles are running in Beijing. They are th