高中英语课件选修七Unit3阶段复习课

Unit3Underthesea海下景观阶段复习课zxxkw学科网学.科.网【单词】学科网zxxkw【短语】1.ontheInternet在网上2.sortout分类3.aheadof在……之前4.apackof一群5.bringin引进6.inthemeantime在此期间；与此同时7.holdup举起；阻挡8.help(...)out帮助(某人)摆脱困境或危难9.indangerof...处于……的危险中10.be/becomeawareof对……知道、明白；意识到……11.beshapedlike形状像12.upsidedown上下翻转13.getcloseto接近14.(be)scaredtodeath吓死了【句型】1.Itwasatimewhenthekillerwhales,or“killers”astheywerethencalled,helpedthewhalerscatchthebaleenwhalesthatwereontheirannualmigration.那个时期，虎鲸(当时被称为“杀手”)帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。本句是一个主从复合句。句子的主干是Itwasatime,when引导的限制性定语从句修饰atime。2.Well,it’steamwork—thekillersovertherearethrowingthemselvesontopofthewhale’sblow-holetostopitbreathing.啊，它们在协同作战呢——那些虎鲸正往鲸的出气孔上扑去，不让它呼吸。句中tostopitbreathing为不定式短语作目的状语，其中stop...(from)doing...阻止……干……，在被动语态中from不可省略。3.I’msittinginthewarmnightairwithacolddrinkinmyhandandreflectingontheday—adayofpuremagic!我坐在温暖的夜空下，手里拿着一瓶冷饮，回忆着当天的故事——这真是神奇的一天!本句中的withacolddrinkinmyhand是with复合结构，即“with+宾语+宾语补足语”。该结构中宾语补足语可由介词短语、名词、代词、形容词、副词、非谓语动词充当。在句中通常作状语，表示条件、原因、方式、伴随等。4.Thenthereweretwogreyreefsharks,eachaboutoneandahalfmetreslong,whichsuddenlyappearedfrombehindsomecoral.然后还有两条灰色的珊瑚鲨，每条大约有1.5米长，它们突然从珊瑚礁后面游了出来。独立主格结构eachaboutoneandahalfmetreslong在此作状语。Ⅰ.构词技巧1.由relation(n.)+ship→relationship(n.)可知-ship是名词后缀之一，常表示“身份、资格、关系、技能”等。请填写下表。friendshipmembershiphorsemanshipprofessorship2.由sea(n.海)+side(n.边)→seaside(n.海边)，可知seaside是由两个名词构成的一个合成名词，这样的名词我们学过很多。请完成下表。flashlightseaweedteamworkclassroomfootballⅡ.易错点拨(T/F)1.学生坐下后，教授开始讲话。①Thestudentshavingsatdown,theprofessorstartedhistalk.()②Thestudentssatdown，theprofessorstartedhistalk.()【点拨】由句中的逗号可知此处需用非谓语动词，再由sitdown和start两动作之间的先后关系可知，应用现在分词的完成式构成独立主格结构作状语。TF2.这棵小树苗需要天天浇水。①Theplantneedsbewateredeveryday.()②Theplantneedswateringeveryday.()【点拨】need表示“需要”时，后面需用v.-ing形式的主动形式表示被动意义。FT3.他极力主张他们明天去纽约。①HeurgedthattheygotoNewYorktomorrow.()②HeurgedthattheywillgotoNewYorktomorrow.()【点拨】urge后跟宾语从句时要用虚拟语气，谓语动词用shoulddo，其中should可以省略。TFⅢ.语篇点睛用本单元学过的词汇补全下文LastyearmybrotherandIvisitedanaquariumatthe______(海边).WhenI___________(回忆/思考)thosewonderfulmarineanimals,Ican’thelpbeingexcited.ThereI_________(看见)_____(巨大的)killerwhales,baleenwhales,cleverdolphins,______(鲨鱼)，____(海豹),sea-slugs,slow______(海龟),quickeels,andclamsandsoon.Theygavemeadeepand_____(生动的)memory.WhatI’mmostinterestedinarekillerwhales.seasidereflectedonwitnessedgiantsharkssealsturtlesvividIlearnthatontheInternetkillerwhalesareknownfortheirstrongbodiesandviolentcharacters.Butaftertraining,theycanhelphumansdoingmanythings.Thewhalersusekillerstocatchtheir______(目标)——thebaleenwhales,whichareontheir______(每年的)migration.Whenthekillersfindabaleenwhale,theywill____(呼喊)atitsowner.Theystoppedit______(潜水)or______(逃离)outtoseathrough_________(协作).Theyoftenthrowthemselveswithout_______(中止)ontopofthewhale’sblow-holetostopitbreathing.Whenthewhaleiskilled,theywill_____(拖)itsbodyintothe_____(深处)oftheseatoenjoythe_____(美味的)lipsandtongue.targetsannualyellfleeingdivingteamworkpausingdragdepthtastyRecently,people___________(意识到)thefactthatthenumberofthekillershasdecreasedand______(极力主张)thatanatureconservationshouldbebuiltandalawshouldbemadetoprotectthem.Ithinkweshouldbuildagood___________(关系)withalltheanimals.areawareofurgedrelationship