重点词句和语法Unit4Astronomy:thescienceofthestars杨敏第一部分重点单词第1组①______vi.存在;生存②______n.谜;难题vi.&vt.(使)迷惑;(使)为难puzzleexist【连词成句】她只靠吃蔬菜就能维持生存一事让我不解。It______methatshe_______onlyonvegetablesexistspuzzles第2组①_________prep.不同;不像a.不同的②_________n.&vt.拉(力);拖;牵引力③_________adj.猛烈的;激烈的;强暴的pullunlikeviolent【连词成句】别扯他的狗的尾巴;不像我的狗,他的狗凶猛得多。Don't_____hisdog’stail;_______mydog,itismuchmore________.pullunlikeviolent第3组①____________n.学说;理论②____________adj.有害的③____________n.系统;体系;制度harmfultheorysystem【连词成句】这种体制从理论上听起来是不错,但可能对孩子们有害。This________soundsfinein_______,butitmaybe________tochildren.systemtheoryharmful第4组①__________n.气候②__________pron.&n.&adj.(英)万亿;(美)十亿climatebillion【连词成句】每当冬天来临,数以亿计的鸟类飞到较温暖气候的地方。Whenwintercomes,_________ofbirdsflytowarmer_________.billionsclimates第5组①____________n.酸②____________vi.&vt.乘;增加③____________n.大气层;气氛acidatmospheremultiply【连词成句】由于环境污染,大气层中的酸性物质增多了。_____inthe____________has__________duetoenvironmentalpollution.Acidatmospheremultiplied第6组①_________n.氧②_________n.二氧化物④___________n.碳oxygendioxidebiologistcarbon【连词成句】这位生物学家说我们吸进氧气,呼出二氧化碳。The_________saidthatwebreathein________andbreatheout_______________.biologistoxygencarbondioxide③___________n.生物学家第7组①__________n.球体;地球仪;地球②__________adv.因此;于是③__________n.宗教;宗教信仰globereligionthus【连词成句】于是,信仰基督教的那个人开始环球旅行。______themanwhobelievedintheChristian_________begantotravelroundthe_______.Thusreligionglobe第8组①_________n.万有引力;重力②_____vi.&vt.(使)浮动;(使)漂浮n.漂浮物gravitychainfloat【连词成句】由于万有引力,那根链条没有漂浮在空中,而是掉到了地上。The_______felldowntothegroundinsteadof________intheairbecauseof_______.chainfloatinggravity③_________n.链子;连锁;锁链第9组①____________n.原子②____________adj.基本的;基础的③____________n.生物学④____________n.天文学atombiologyfundamentalastronomy【连词成句】那位原子能专家说天文学和生物学有着根本的区别。atomfundamentalastronomybiologyThe______expertsaidthattherewere_________differencesbetween_______and_______.第10组①______________adj.温和的;文雅的②______________n.物理学家③______________n.卫星;人造卫星④______________vi.&vt.碰撞;坠落⑤______________n.宇宙飞船gentlesatellitephysicistcrashspaceship【连词成句】那位温和的物理学家观察到一艘飞船和一颗卫星同时坠落海中。The____________observedthata________anda_________________intotheseaatthesametime.gentlephysicistspaceshipsatellitecrashedcertain(a.)确定的fair公平的paid已付的like相似的kind善良的unkindunfairunpaidunlikeuncertain(a.)第二部分prefixorsuffix(前缀后缀)present(a.)在场的presence(n.)violent猛烈的confident自信的different不同的patient耐心的violenceconfidencedifferencepatienceculture(n.)文化globe球体universe宇宙agriculture农业mathematics数学mathematic(al)cultural(a.)globaluniversalagriculturalart(n.)艺术physics物体学chemistry化学biology生物学家science科学scientistartist(n.)physicistchemistbiologist第三部分重点短语1.intime2.layeggs3.givebirthto4.inone’sturn5.prevent…from6.cheerup7.nowthat8.breakout9.watchout及时;终于下蛋产生;分娩轮到某人;接着阻止;制止...