The Boy Scouts of America National Jamboree is for boys eleven to eighteen.

VOA: special.2010.08.06

So, today, what do you think are the greatest national security threats or threats to America's interests.

现在，您认为,什么会严重威胁美国国家安全,威胁美国国家利益。

普林斯顿公开课 - 国际座谈会课程节选

In the nineteen sixties, a major black civil rights group declared it the national song of black people in America.

VOA: special.2009.10.04

America's National Oceanic and Atmospheric Administration,NOAA, says the coral reefs that exist today are up to fifty million years old.

VOA: special.2010.08.10

America's National Cancer Institute reports that more than one million people in the United States developed skin cancer last year.

VOA: special.2010.07.06

The Park Service says the park has more kinds of flowering plants than any other national park in North America.

VOA: special.2009.09.28

America's National Institutes of Health says the damage to the lungs cannot be repaired and there is no cure.

VOA: special.2009.06.23

But critics of national standards say the idea goes against one of America's oldest traditions -- local control of education.

VOA: special.2011.06.09

Each year on that day the National Education Association calls for every child and every community in America to celebrate reading.

VOA: special.2010.05.02

Scientists from the National Institute of Diabetes and Digestive and Kidney Diseases measured the energy content of America's wasted food.

VOA: special.2010.11.23

America's National Park Service is responsible for protecting the Grand Canyon from the effects of so many visitors.

VOA: special.2009.10.07

White Sands National Monument is just one of the more unusual examples of America's natural and cultural treasures.

VOA: special.2010.01.04

America's National Cancer Institute has said that people who smoke low-tar cigarettes do not reduce their risk of getting diseases linked to smoking.

VOA: special.2010.03.09

Numbers of America's national bird, the bald eagle, have recovered largely because of measures to fight pollution.

VOA: special.2009.05.12

GINA is a joint effort of the World Health Organization and the National Heart, Lung and Blood Institute of America's National Institutes of Health.

VOA: special.2010.09.07

Yellowstone, in the western state of Wyoming, was not only the first national park in America.

VOA: special.2009.09.28

Even though there is no state religion in America,there is a large, beautiful religious center in the nation's capital called the Washington National Cathedral.

VOA: special.2009.05.22

Then,many years later, on March third,nineteen thirty-one, "The Star-Spangled Banner" officially became America's national anthem.

VOA: special.2011.03.07

America's National Institutes of Health has suggested that women limit calories to no less than one thousand two hundred calories a day without medical supervision.

VOA: special.2011.07.05

You can learn more about other popular authors who spoke at the National Book Festival on the Special English program "This is America" on Monday.

VOA: special.2009.10.09

America's National Weather Service is an agency of the National Oceanic and Atmospheric Administration,or NOAA.

VOA: special.2009.03.17

Many people feel "God Bless America" is the unofficial national song of the United States.

VOA: special.2009.12.20

America's National Cancer Institute says cooking meat at very high temperatures produces the most HCAs.

VOA: special.2010.06.01

Francis Collins led the international group from his position at America's National Institutes of Health.

VOA: special.2010.07.20

The new film, directed by Ken Burns, is called "The National Parks: America's Best Idea."

VOA: special.2009.09.28

Philip Brooks is a researcher at America's National Institute on Alcohol Abuse and Alcoholism.

VOA: special.2009.06.23

This music is played in America during many national events, including some presidential inaugurations.

VOA: special.2009.06.21

One of the birds they can see is America's national symbol, the bald eagle.

VOA: special.2009.02.16

Most people who visit America's national parks bring a camera and take many pictures.

VOA: special.2009.04.15

Most of them are around the National Mall, near the Voice of America building.

VOA: special.2010.07.09