Unit7Thesea教材背景链接你对大海了解多少？阳光照耀下她妩媚多姿；狂风暴雨下她凶猛狂暴，除此以外还有什么呢？Unit7TheseaUnit7TheseaThefirstthingtorememberisthattheseaisverybig.Whenyoulookatthemapoftheworldyouwillfindthereismoreseathanland.Theseacoversthreequarters(四分之一)oftheworld.Unit7TheseaTheseaisalsoverydeepinsomeplaces.Itisnotdeepeverywhere.Somepartsoftheseaareveryshallow.Butinsomeplacesthedepthoftheseaisverygreat.Thereisonespot，nearJapan，wheretheseaisnearly11kilometersdeep！Thehighestmountainintheworldisabout9kilometershigh.Ifthatmountainwereputintotheseaatthatplace，therewouldbe2kilometersofwateraboveit！Whatadeepplace!Unit7TheseaIfyouhaveswuminthesea，youknowthatitissalty.Youcantastethesalt.Rivers，whichflowintothesea，carrysaltfromthelandintothesea.Somepartsoftheseaaresaltierthanotherparts.Thereisonesea，calledtheDeadSea，whichisverysalty.Itissosaltythatswimmerscannotsink！FishcannotliveintheDeadSea!Unit7TheseaInmostpartsofthesea，thereareplentyoffishesandplants.Somelivenearthetopofthesea.Otherslivedeepdown.Therearealsomillionsoftinylivingthingsthatfloatinthesea.Thesefloatingthingsaresosmallthatitishardtoseethem.Manyfishlivebyeatingthese.Theseacanbeverycold.Diverswhogodeepdownintheseaknowthis.Onthetopthewatermaybewarm.Whenthedivergoesdownwards，theseabecomescolderandcolder.Unit7TheseaAnotherthinghappens.Whenthedivergoesdeeper，thewaterabovepressesdownonhim.Itsqueezes(挤、压)him.Thenthediverhastowearclothesmadeofmetal.Buthecannotgoverydeep.Somepeoplewhowantedtogoverydeepusedaverystrongdivingship！Theywentdowntothedeepestpartoftheseainit.Theywentdowntoadepthofelevenkilometers!SectionⅠWarmup&Lesson1Unit7TheseaⅠ.重点单词1．____________(n.)探险家2．____________(adj.)不知道的，未知的3．____________(adj.)令人惊恐的，骇人的4．____________(n.)水手，海员5．____________(vt.)说服，劝服explorerunknownfrighteningsailorpersuade6．voyage(n.)____________7．ancestor(n.)____________8．eventually(adv.)____________9．journey(n.)____________10．apologise(vi.)____________航海；航空祖先，祖宗最终，终于旅行，旅程道歉Ⅱ.重点短语1．discuss____________sb.和某人讨论2．set____________启航3．according____________根据，依照4．get____________trouble陷入麻烦；陷入困境5．return____________sp.返回某地6．prepare____________为……做准备7．makeit____________到达8．insearch____________寻找，寻求9．beknown____________被称为；被叫作10．blow____________course吹离航线withsailtointotofortoofasoffⅢ.重点句型1．where引导的地点状语从句Byaround900AD，thereweremanyplacesinNorthernEurope________________________________(那里有海盗选择居住)．2．find＋n./pron.＋介词短语BiarniwashopingtojoinhisfatherwhowaswithEric,buthewasblownoffcourseandfound_________________________(自己在一个未知的地方)，fromwhereheeventuallyreachedGreenland.wheretheVikingschosetolivehimselfinanunknownland3．what引导的名词性从句LeiffollowedBiarni’sdirectionsandsailedto______________________(被认为是)thecoastofpresentdayCanada.whatisbelievedtobeⅠ.Readthetextcarefullyandchoosethebestansweraccordingtothetext.1．Thetextmainlytalksabout________．A．howtheVikingsarrivedinAmericaB．howEuropeanssettledinAmericaC．Columbus’firstdiscoveryofAmericaD．thelifestoryofErictheRedA2．WhichofthefollowingisTRUEaboutErictheRed?____A．HewaswelcomedbackafterfindingGreenland.B．HetalkedsomepeopleintogoingtoIceland.C．AviolentcrimewasthemainreasonforhisleavingIc...
