9BUnit4LifeonMars（一）重点短语1.无污染交通_____________________2.因为住那里而生病________________________________3.开展，执行_____________________4.八分之三__________________5.毕竟_____________（二）佳句背诵1.这里描述的是火星上的生活可能是什么样子。Hereis_________________________________________________________onMars.目前，我们宇宙飞船太慢了，无法运送大批的乘客去火星——因为要花几个月的时间。_________________,ourspacecraftare___________________________carry____________________________________________toMars-----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！_________the_____________of_____________,bytheyear2100,thejourneymightonlytakeabout20minutesinspacecraft______________________________________！食物很大可能会以药片的形式存在，而且味道没那么可口。Foodwouldmost________________________________________pillsandwouldnotbeso___________.与地球上的生活相比，火星上的生活在有些方面要好些。________________lifeontheEarth,lifeonMraswouldbebetter_______________________.每个学生家里都有一台电脑与星际网络连接。Everystudentwouldhaveacomputerathome_____________________aninterplanetarynetwork.(三)单词默写被污染的增加n.不舒适的专门地adv.快地，迅速地adv.一致，同意n.可能性n.外来者，陌生人电子的（四）自我订正________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
