地图发展史
ES 551 -- James S. Aber
What is a Map?
A map is a graphic representation or scale model of spatial concepts. It is a means for conveying geographic infor
Why did a promising heart drug fail? Doomed drug highlights complications of meddling with cholesterol. 1. The failure of a high-profile cholesterol drug has thrown a spotlig
Part I Reading Passage 1 You should spend about 20 minutes on Questions 1-13 which are based on Reading Passage1 below. The Triumph of Unreason? A. Neoclassical
Search begins for 'Earth' beyond solar system Staff and agencies Wednesday December 27, 2006 Guardian Unlimited 1. A European spacecraft took off today to spearhead the
Part I
Reading Passage 1
You should spend about 20 minutes on Questions 1-14 which are based on Reading Passage 1 below.
Next Year Marks the EU's 50th Anniversary o
Sleep medication linked to bizarre behaviour
12:44 06 February 2007
NewScientist.com news service
Roxanne Khamsi
New evidence has linked a commonly prescribed s
Food agency takes on industry over junk labels Felicity Lawrence Thursday December 28, 2006 The Guardian 1. Consumers are to be presented with two rival new year advert
Sun's fickle heart may leave us cold □ 25 January 2007 □ From New Scientist Print Edition. □ Stuart Clark 1 There's a dimmer switch inside the sun that causes its br