unit2系统课件

或因事物固有的性质而迫切需要require含有“说话人自持权威断然提出要求，MountQomolangmaremainedtobegreatestchallengeforhumanbeingsTextClimbingMountQomolangmawasdangerousanditseemedalmostimpossiblebecauseofitsextremeconditionsSherpasprovetobetheidealguidesincethefirstattemptThoughseveralattemptfailedin1920s，EdmundHillaryandTenzingNorgaymadetheirfirstsuccessfulattempttothesummitin1953AfterthefirstsuccessfulattempttoconquerMountQomolangma，itremainsman’sgreatchallengesuntilnowTheChinesesuccessfullyreachedthesummitofitin1960Overthepast40years，other29Chinesereachedthesummitforscientificresearchorsportp6require要求，Bythemiddleof1920s，命令+名/todo/doing/复合宾语等egTheyrequiredhimtokeepitasecretThepatientrequiresspecialattentionofthenurses所讲的要求是按照权利提出的“要求”，要对方断然服从之意demandHishealthrequiresthatheshouldtakeagoodrestHedemandsthatItellhimeverything2riskn危险，风险v冒…的危险后接n或doing作宾语Heriskedbeingcaughtandkilledatrisk在危险中run[take]arisk(s)冒险takenorisks慎重行事run[take]theriskofdoingsth，