题目内容：

Summer Science Class registration begins on March 8 ! If you are interested in science，the environment，or conservation and you are in grades 7－12，sign up soon for Black Rock Forest Consortium's Summer Science Class program. You can download the Summer Science Classes 2013 brochure here. It is easy to register；just call 845­534­4517 or click here.

Twelve ­week­long courses in the natural sciences and the arts are offered at Black Rock Forest in Cornwall from July 15 through August 9.Two more classes are offered with site partners，including “The Art of Scientific Observation，” hosted jointly by Black Rock Forest Consortium and Storm King Art Center，one of the world's leading sculpture parks，and “A Nautical Expedition” hosted jointly by the Consortium and the Constitution Marsh Audubon Center.

We are delighted to announce two special “away” classes that are part of the Summer Science Class program this year: an “Adirondack Eco­Adventure” beginning August 11，and “Conservation Biology in Florida，” beginning June 23 and featuring field work on the Gulf Coast in cooperation with the University of Florida's Seahorse Key Marine Biological Laboratory. For more information on the Summer Science Class program，please read our press release.

Black Rock Forest Consortium is a nonprofit organization founded in 1989 to advance scientific understanding of the natural world through research，education and conservation programs.

1.If you want to be a member of Summer Science Class，you should ________．

A．visit Black Rock Forest first

B．download their brochure

C．call a phone 845­534­4517

D．register before March 8

2.Summer Science Class's courses are________．

A．only about science subjects

B．cooperated by several organizations

C．from July 15 through August 9

D．hosted by the world's leading professors

3.Where can you find the article?

A．From a web site.           B．From a traveling brochure.

C．From a novel book.         D．From one famous magazine.