高中英语 Unit 4 Wildlife Protection Period three课件 新人教版必修2.ppt

periodthreeusinglanguage 课文理解1 accordingtothepassage whatcanweknowaboutthedinosaurs a theywereoncethekindestanimalsontheearth b theylivedontheearthtogetherwithhumans c theydiedoutforsomeunknownreasons d itwasthetemperaturethatcausedthemtodieout 课文预读 2 thebird likedinosaurswerediscoveredin a xixiacounty nanyang henanprovinceb chaoyangcounty liaoningprovincec xixiacounty nanyang liaoningprovinced chaoyangcounty henanprovince3 howdidscientistsknowaboutthatthebird likedinosaurscouldrunaswellasclimbtrees a bystudyingtheireggs b bystudyingtheirteeth c bystudyingtheirbones d byguessingonly 答案1 c2 b3 c 正 t 误 f 判断1 mostanimalshavediedoutduringthelonghistoryoftheearth 2 dinosaursarethemostfamousoftheanimalsthathavedisappeared 3 thereusedtobemanydifferentkindsofdinosaursontheearth 4 ararespeciesofbird likedinosaurscouldbothrunandclimbtrees 5 nowpeopleknowthereasonwhydinosaurssuddenlydisappeared 答案1 f2 t3 t4 t5 f 单词拼写1 thedentist 检查 thechildren steethtwiceayear 2 beinglateforschoolisan 小事件 notanaccident 3 whenahugerockfromspacehittheearth itputtoomuch 尘土 intotheair 4 theylookliketheteethofsome 凶猛的 animals 5 thefilmhasahappy 结局 答案1 inspects2 incident3 dust4 fierce5 ending 知识梳理 单句语法填空1 whatyousayordowillhavean affect onothers 2 myeyefixedona dust oldbookatthebackoftheshelf 3 i veonly recent startedlearningfrench 4 howcanyoubeso kind andstillcallyourselfmyfriend 5 thisemployeewasdismissedforhis lazy 答案1 effect2 dusty3 recently4 unkind5 laziness 用适当的介词或副词填空1 whendidtheclubcome being 2 heisunkind others asaresult hehasfewfriends 3 dinosaurshavedisappearedduringthehistory theearth 4 weweresurprised findsomeeggsofdinosaursinthemountain 5 alargerockhittheearthandputmuchdust theair 6 shewon tdaredothatagain andthat s sure 7 weneedtobenoticed thesameway 8 hewascapturedtryingtoescape thecountry 9 thisstoryis howdinosaursdisappearedfromtheearth 10 theseraretigersareprotected speciallaws 答案1 into2 to3 of4 to5 into6 for7 in8 from9 about10 by 根据提示完成下列句子1 我在认识你之前很久就认识了汤姆 longbefore 2 地球是什么时候形成的 comeintobeing 3 物种必须要随着环境的变化而变化 否则就会灭绝 dieout 4 他太虚弱了 举不起这箱子 too to 5 有时我们人类也用同样的方式发出声音 inthesameway 答案1 iknewtomlongbeforeiknewyou 2 whendidtheearthcomeintobeing 3 speciesmustchangeastheenvironmentchanges ortheydieout 4 he stooweaktoliftthebox 5 sometimeswehumansmakesoundsinthesameway 话题语篇导读 theriseandfallofthedinosaursdinosaurswalkedtheearthforanincredible165millionyears theyfirstappearedinthelatetriassicperiod beforediversifyingtodominatetheplanet andbecomethelargestlandanimalstohaveeverlived however 65millionyearsago thereignofthedinosaurswastocometoanabruptend aneventsomonumentaloccurredthatitchangedtheshapeofourplanetforever evidencepointstoagiantasteroidwhichsmashedintotheearth leavingacraternearly200kmwide suchanimpactwouldhavekickeddustanddebrisupintotheatmosphere darkeningtheplanetformonthsandcouldhavetriggeredothereventssuchas super acidrain globalfirestormsand mega tsunamis allthedinosaursthatwereliving65millionyearsagowentextinct butthereisoneimportantcaveat onegroup thetheropoddinosaurs foundawaytoliveon 知识链接 1 用beforelong或longbefore填空 iknewthenewsthattheywereinvitedtotheparty youtoldme ihopetoseeyou 答案 longbefore beforelong 2 sothat的用法 1 以至于 结果 用于引导结果状语从句 2 以便 为了 用于引导目的状语从句 从句中常含有情态动词may might can could should would等 可与inorderthat换用 pleaseopenthewindowsothatwecanbreathefreshair 目的状语从句 shehadnotplannedhertimewell sothatshedidnotfinishherhomeworkontime 结果状语从句 将下列句子翻译成英语 父亲60岁时开始学电脑 以便跟得上时代 我坐在教室的前面以便能听清楚 她没把时间计划好 结果没按时完成作业 答案 myfa