2019春九年级英语下册Unit4LifeonMars知识清单素材新版牛津版

/3Unit4LifeonMars单元知识清单

Unit4重点单词根据汉语意思，写出相应的英文单词头盔helmet重力gravity行星planet拥挤的crowded5•被污染的polluted快的，迅速的rapid增加increase乘客passenger使人不舒服的;不舒适的uncomfortable氧气oxygen味道好的tasty专门地，特地specially飘浮;漂浮float比较compare网络network挑战性的challenging快地,迅速地rapidly知道，意识到aware围绕;将圈起来circlen.一致，同意agreement距离；远处distance可能性possibility外星人alien外来者，陌生人—stranger百分率；百分数percentage劣势，缺点，不利条件disadvantage风险,危险risk［复］商品，货品.goods电子的electronic娱乐entertainmentII•根据要求写出下列单词的变化形式drydried_(adj.)sleepsleepy/sleeping/asleep_(adj.)crowdcrowded—(adj.)pollute,polluted_(adj.)pollution_(n.)special.specially_(adv.)challengechallenging_(adj.)agreeagreement_(n.)disagree—(反义词)possiblepossibly_(adv.)possibility_(n.)entertainentertainment—(n.)♦重点短语根据汉语意思,写出相应的英文短语干粮driedfood睡袋sleepingbag再;重新(all)overagain以速度行驶atthespeedof以的形式intheformof随着的发展withthedevelopmentof到2100年为止bytheyear2100与相比comparedto/withA和B之间的距离.thedistancebetweenAandB大量的乘客alargenumberof/largenumbersofpassengers对某人有极大的帮助beofgreathelp/beveryhelpfultosb专门设计来做某事bespeciallydesignedtodosth把A连接到BconnectAtoB与相似besimilarto开展;执行_carryout的优势advantagesof...以开始start/beginwith意见一致inagreement的可能性thepossibilityof毕竟afterall公共交通系统publictransportsystem记英语日记keepanEnglishdiary考虑做某事thinkabout/considerdoingsth想要做某事feellikedoingsth25•知道beawareof你觉得怎么样？Howdoyoulike...?/Whatdoyouthinkof...?对某人/物有害doharmtosb/sth=beharmfultosb/sth=harmsb/sth值得冒险beworththerisk/takingtherisk离地球很远far(away)fromtheEarth♦重点句型根据汉语意思完成句子,每空一词1.人们有望能够在火星上重新开始,建设一个更好的世界。Itishopedthatpeoplecouldstartalloveragain_andbuildabetterworldonMars.此处描述的是那里的生活可能是什么样子。Hereiswhatlifethere—couldbelike目前，我们的宇宙飞船太慢了,无法运送大批的乘客去火星一一因为要花几个月的时间。Atpresent_,ourspacecraftaretooslowtocarry_largenumbersofpassengerstoMars—itwouldtakemonths.随着技术的发展,到2100年,乘坐以光速飞行的宇宙飞船,行程或许只要大约20分钟!Withthedevelopment—oftechnology,bytheyear2100,thejourneymightonlytake_about20minutesinspacecraftthattravelatthespeed_oflight!食物很大可能会以药片的形式存在，而且味道没那么可口。Foodwouldmostprobablybeintheform_ofpillsandwouldnotbesotasty火星上的重力大约只有地球上的八分之三。Thegravity_onMarsisonlyaboutthree-eighths_ofthatontheEarth.与地球上的生活相比，火星上的生活在有些方面要更好些。Comparedwithlife—ontheEarth,lifeonMarswouldbebetterinsomeways&每个学生家里都有一台电脑与星际网络连接。Everystudentwouldhaveacomputer_at