Unit7What’sthehighestmountainintheworld?Group1square平方例：TheSaharaisabout9,600,000squarekilometersinsize.meter米deep深的例：TheNileis1,025metersdeep.desert沙漠例：TheSaharaisthebiggestdesertintheworld.Asia亚洲例：ChinaisthebiggestcountryinAsia.feelfree随便tour旅行；旅游例：Feelfreetoaskmeanythingontoday’sGreatWalltour.

Unit7What’sthehighestmountainintheworld?Group28.tourist旅行者9.wall墙例：Thismakesitthelongestwallintheworld.10.amazing令人大为惊奇的例：Thatisamazing!11.ancient古代的例：Whydidtheancientemperorsbuildthewall?12.protect保护例：Themainreasonwastoprotecttheirpartofthecountry.13.wide宽的例：Itisquitetallandwide.14.asfarasIknow就我所知

Unit7What’sthehighestmountainintheworld?Group315.man-made人造的例：AsfarasIknow,therearenootherman-madeobjectsasbigasthis.16.achivement成就17.southwestern西南的例：TheHimalyasrunalongthesouthwesternpartofChina.18.thick厚的例：Thickcloudscoverthetop.19.include包括20.freezing冰冻的21.condition条件例：Moreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.

Unit7What’sthehighestmountainintheworld?Group422.takein吸入例：Itishardtotakeinairasyougetnearthetop.23.succeed成功例：ThefirstwomantosucceedwasfromJapanin

1975.24.challenge挑战25.inthefaceof面对例：Peoplewanttochallengethemselvesinthefaceofdifficulties.26.achive完成例：Weshouldnevergiveuptryingtoachiveourdreams.27.force力量28.nature自然例：Humanscansometimesbestrongerthantheforcesofnature.

Unit7What’sthehighestmountainintheworld?Group529.eventhough即使例：Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?30.ocean海洋31.ThePacificOcean太平洋例：NooceanintheworldisasbigasthePacificOcean.32.cm厘米33.weigh称……的重量例：Anadultpandaweighsmanytimesmorethanababypanda.34.birth出生35.atbirth出生时例：Atbirth,ababypandaisabout15cm