Unit 7Whats the highest mountain in the world?squaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲tourv. n.旅行 touristn.旅行者walln.墙amazingadj.令人大为惊奇的ancientadj.古代的wideadj.宽的；宽阔和LanguageGoal:Talkaboutgeographyandnature一、用英语写出下列数字：ninety-eightthousandsevenhundredandfifty-fourNinehundredandeighty-threeExercisefivehundred(and)sixty-sixsevenhundredandnine566_709_983_98,754_练一练345100118,657,421threehundredandforty-fiveonethousand(and)oneeighteenmillion,sixhundredandfifty-seventhousand,fourhundre
