美国国家地理分级读物《Ladders》系列 - 盘搜天堂 - 搜索网盘资源的天堂！

• file:Yosemite National Park-2.pdf
• file:The Pueblo-3.pdf
• file:The Declaration of Independence-3.pdf
• file:Great Smoky Mountains National Park-3.pdf
• file:The World's Ocean-3.pdf
• file:The Sinking of the Titanic-3.pdf
• file:The Galdpagos Ilslands-3.pdf
• file:Power Up-3.pdf
• file:Nature Has the Answers-3.pdf
• file:Going Green-2.pdf
• file:Exploring Above and Beyond-3.pdf
• file:Earth's Crazy Climate-3.pdf
• file:African Savanna-3.pdf
• file:Watery World-980L.pdf
• file:Transformers-990L.pdf
• file:The Old West-890L.pdf
• file:Moving Into the Future-920L.pdf
• file:Connections to Nature-860L.pdf
• file:Catch the Light-990L.pdf
• file:Pacific Coast-3.pdf
• file:North Atlantic Coast-2.pdf
• file:Niagara Fals-2.pdf
• file:Native Americans of the Southwest-2.pdf
• file:Mount Rushmore-3.pdf
• file:Great Plains-1.pdf
• folder:美国国家地理分级读物《Ladders》系列
• folder:09.高阶社会科学【33本】
• folder:04.中级核心阅读【20本】