7 1 (1) 1.pptpage1Unit 7What's the highest mountain in the world?Section A (1a-1c)page29,600,000 square kilometers millionthousandTian’anmen Squarepage38,8446,6711,0259,600,000the largestthe smallestlarger than any other numbersmaller than any other number.43pointpage4Which isA. mountainB. riverC. lakeD. desertInteresting EnglishQomolangmathe Nilethe Caspian Seathe SaharaIt has two banks河岸.the richest?page5________ meters high________ meters long________ meters deep8,844.436,6711,0..