填空题 <iframe src="/module/audioplay.html?objectid=d9c340fbae2b8cfe9c33f75598d57eb3"></iframe>The Andes are the 1._________mountains of South America and one of the greatest mountain systems of the world. The Andes include some of the world's highest 2._________. More than 50 of them soar higher than 6,100 m (20,000 ft) above sea 3.__________. Only the Himalayas of south central Asia are higher. The lofty plateaus and high mountain valleys of the Andes 4._________ some of the highest permanent human settlements in the world. The Andes are the longest system of high mountain 5. __________ on earth. They 6. __________ for more than 8000 km (5000 mi) in a narrow belt along the western edge of the South American continent, from the 7.__________ of the Caribbean Sea in the north to the island of Tierra del Fuego in the 8__________ south. Along almost its 9.__________length, the Andes rise abruptly from the Pacific 10.__________. The mountains reach into seven countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina