9下Units4基础训练部分一、记忆训练部分(一)重点词汇梳理1到太空旅行travelintospace2到2100年为止bytheyear21003变得越来越拥挤,污染越来越严重becomemoreandmorecrowdedandpolluted4因为人口的急速增长becauseoftherapidincreaseinpopulation5随着科技的发展withthedevelopmentoftechnology6以…的速度ata/thespeedof7以…的形式intheformof8八分之三three-eighths9与…作比较compareto/with10阻止他们自己飘入太空preventthemselves(from)floatingoffintospace11与…相连接connectto/with12实施carryout13火星生活指南aguidetolivingonMars14重新、再(all)overagain15毕竟Afterall(二)重点句子梳理1你认为住在火星上怎么样
HowdoyoulikelifeonMars
2希望人们在火星上重新开始建立一个更美好的世界
ItishopedthatpeoplecouldstartalloveragainandbuildabetterworldonMars
3宇宙飞船的太快,去火星的旅程也许不那么舒服
ThespacecraftwouldtravelsofastthatthejourneytoMarsmightbequiteuncomfortable
4火星的重力大概是地球的八分之三
ThegravityonMarsisonlyaboutthree-eighthsofthatontheearth
5相对于地球生活,火星生活在某方面更好
ComparedwiththelifeonEarth,LifeonMars