Unit 4知識梳理2022-2023學(xué)年牛津譯林版九年級英語下冊

Unit4LifeonMars重點單詞：planet行星crowded擁擠的polluted被污染的rapid快的，迅速的increase增加uncomfortable使人不舒服的；不舒適的tasty味道好的specially專門地，特地compare比較rapidly快地，迅速地possibility可能性stranger陌生人，外來者risk風(fēng)險，危險重點短語：driedfood干糧sleepingbag睡袋（all）overagain再；重新ata/thespeedof以...的速度intheformof以...的形式compareto/with與...相比becomparedwithsth.被與某物相比beawareof意識到carryout開展；執(zhí)行afterall畢竟Howdoyoulike….?=Whatdoyouthinkof….?你覺得...怎么樣？alargenumberof=largenumbersof+名復(fù)大量的largenumbersofpassengers大量的乘客travelatthespeedoflight以光的速度旅行three-eightsofthegravityonEarth地球引力的八分之三Itishopedthat……可以指望inmanyways在許多方面increaserapidly迅速地增加one-third/onethird三分之一besimilarto與……相似inagreement意見一致重點句型：ItishopedthatpeoplecouldstartalloveragainandbuildabetterworldonMars.人們有望能夠在火星上重新開始建設(shè)一個更好的世界。Hereiswhatlifetherecouldbelike.這里描述的是那里的生活可能是什么樣子的。Atpresent,ourspacecraftaretooslowtocarrylargenumbersofpassengerstoMars—itwouldtakemonths.目前我們的宇宙飛船太慢了，無法運送大批的乘客去火星，因為要花幾個月的時間。Withthedevelopmentoftechnology,bytheyear2100,thejourneymightonlytakeabout20minutesinspacecraftthattravelatthespeedoflight!隨著技術(shù)的發(fā)展，到2100年，乘坐以光速飛行的宇宙飛船，行程或許只要大約20分鐘！Foodwouldmostprobablybeintheformofpillsandwouldnotbesotasty.食物很大可能會以藥片的形式存在，而且味道沒那么可口。Thegravityonmarsisonlyaboutthree-eighthsofthatontheEarth.火星上的重力大約只有地球上的3/8。Comparedwithlifeontheearth,lifeonmarswouldbebetterinsomeways.與地球上的生活相比，火星上的生活在有些方面要好一些。Everystudentwouldhaveacomputerathomeconnectedtoaninterplanetarynetwork.每個學(xué)生家里都有一臺電腦與星際網(wǎng)絡(luò)連接。Lifeonmarswouldbeinterestingaswellaschallenging.火星上的生活不僅有挑戰(zhàn)性，而且還很有趣。溫馨提示：使用狀語從句或簡單句①NeilArmstrongreceivedhisstudentpilot’slicencewhenhewas16.NeilArmstrongreceivedhisstudentpilot’slicenceattheageof16.②Peoplemightfloatinspacebecausethegravityislow.Peoplemightfloatinspacebecauseofthelowgravity.③Humanscannotsurviveifthereisnofood,wateroroxygen.Humansmaynotsurvivewithoutfood,wateroroxygen.使用賓語從句或簡單句①Thesmellofthepillsremindsthemthatfoodontheearthistasty.Thesmellofthepillsremindsthemofthetastyfoodontheearth.②Aretheysurethatspecialtravelwillbeveryfast?Aretheysureaboutfastspeedofspacetravel?使用定義關(guān)系從句或簡單句①Peoplemightliveinhouseswhichhavehuge,comfortablerooms.Peoplemightliveinhouse