offishappeared.●Greenplantsbegantogrowonland.●Insectsand___________appeared.oxygenshellfishamphibiansManymillionsofyearslater●________appearedandtheylaideggs.●Dinosaursdeveloped,laideggsand_______formorethan140millionyears.●Mammalsroseand____________babies.ReptilesexistedgavebirthtoAbout2.6millionyearsago●Somesmall______animalswithhandsandfeetappearedandspreadallovertheearth.NowHumansproducetoomuchcarbon_______,makingtheearthtoohot.cleverdioxide1.violent(adj.)猛烈的;激烈的;猛烈的进攻?极其的厌恶?极度痛苦(adv.)猛烈地;激烈地;(n.)猛烈;激烈;暴力;船在海上强烈的风暴中沉没。Theboatsankina____________atsea.violentstormviolentlyaviolentattackviolentdislikeviolentpainviolenceTheywereintimetoproducecarbon,nitrogen,watervapour…soonerorlater;eventually迟早;最后,总有一天I’llseehimintime.总有一天我会遇见他。2)notlate及时;不迟Shewillbebackintimetopreparedinner.她来得及回来准备晚饭。
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