Unit 13 The water planet

1.不要对是否参加考察队犹豫不决。这是一个学以致用的好机会。2.登上塔楼就可以看到城市的全貌。你肯定要惊叹这个城市的巨大变化。Don’tbehesitatingaboutjoiningtheexpedition.Thisisagoodchancetoapplyknowledgetopractice.RevisionGettingontopofthetowercangiveyouagoodviewofthewholecity.Youaresuretowonderatthegreatchangesthathavetakenplaceinthiscity.3.经过日日夜夜令人难以置信的劳动，挖掘工作仍未完成。4.由于有强烈的学习欲望，他在业余时间开始研究应用科学。Afterdaysandnightsofincrediblelabour,thediggingremained(tobe)unfinished.Drivenbyadesiretolearn,hesetouttostudy(setaboutstudying)appliedscience.5.尽管他们被带上了船，遭到了囚禁，但他们从未放弃过种种努力去逃脱。6.我的童年充满了嬉戏和冒险，没人能像我那样欢快地度过。(独立主格结构)Thoughtheyweretakenonboardandkeptasprisoners,theynevergaveupeffortstoescape.Therebeingallplayandadventureinmychildhood(Mychildhoodfullofplayandadventure),noonecouldhavepassedahappierchildhoodthanmyself.Unit13ThewaterplanetEarthisaoceanplanetand99%percentofthelivingspaceonearthisintheoceans.Marinelifeisincrediblyrichandvaried.Lifeintheoceansrangesfromthetiniestplantsallthewayuptogiantslikesharksandwhales.Itiswaterthatmakestheoceansuchagreatplacetolive.Waterisactuallyquitesimple,butthewaythewatermoleculeisformedgiveswateritsuniqueproperties.Watercanabsorbandreleasealotofheatwithoutbigchangesinitstemperature,thuscreatingastableenvironment.DictationRetellingofthetextPropertyWhatisit?Whatisitgoodfor?ChemicalstructureDensitytwohydrogenatomsandoneoxygenatom;thewatermoleculeispolarbreakdownnutrientsquickly;aliquidatroomtemperature;arelativelyhighfreezingpointtherelationshipbetweenmassandvolume;purewater1000kg/m3;onecubicmetreofwaterweighs…helpsmallcreaturesfloat;theoceansneverfreezetotallyWord1.以这种方式使用水谁将从中受益？benefitvi.得益于vt.使受益n.利益beneficialadj.有利的，有帮助的AbenefitsB=Bbenefitsfrom/byAbeof(great/much)benefitto…=be(very)beneficialtoforthebenefitof….=forsb.’sbenefitWhobenefitsfromusingwaterinthisway?从他的话中我获益良多.Ihavebenefitedalot/greatlyfromhiswords.=Hiswordshavebenefitedmealot.=Hiswordsareofgreatbenefittome.=Hiswordsareverybeneficialtome.=Icanenjoysomebenefitsfromhiswords.2.通过任何渠道进入海洋里的营养物质都能很快被其它生物所利用。①这种资料人人可方便地利用。②这些鞋子没你的尺寸。③他有时间参加会议。Thenutrientsinwhateverfallsintotheoceanquicklybecomeavailabletootherlivingcreatures.availableadj.①abletobegot,obtained,used,etc.②abletobevisitedorseen;nottoobusyTheinformationiseasilyavailabletoanyone.Theshoesarenotavailableinyoursize.He’llbeavailableforthemeeting.3.虽然是纯水赋予了海水的重要特性，然而海水的盐度却影响了它的重量和冰点。Eventhoughthepurewateriswhatgivesseawateritsmainproperties,thesalinityofseawateraffectsbothitsweightandfreezingpoint.Ona_________morning,itwas_________coldoutsideandthetemperaturedroppedfarbelowthe________.Apolicemanwaswalkingonthe________riverwitha_______lookonhisface.Hewantedtoreachtheotherside，fortwomenwere________todeaththere.freezingfreezingfreezingfrozenfreezingfrozenfreezevi.vt.(froze,frozen)结冰；冷藏；停住，惊呆freezingadj.极冷的；冰点以下的；惊呆的frozenadj.4.密度是指质量和容量的相关程度。①大多数的人是基督徒._____________peopleareChristian.②大量的信息被引进.__________informationhasbeenbroughtin.③她有一大堆事情要做。Shehas_____________________thingstodo.Densityistherelationshipbetweenmassandvolume.massu.n.质量c.n.团，块;大量themassof大部分,大多数amassofc.n/u.n许多，大量massesofc.n./u.nThemassofAmassofamassof/massesof5.如果某个物质有着较高的密度，比方说是5,000kg/m3，那么它就不会浮在水面。Ifasubstancehasahigherdensity,say5,000kg/m,itwillnotfloatonwater.floatv.floatingadj.①Thelogsfloatdowntherivertothepaperfactory.②Aslighttouchmaysendyoufloatingintheoppositedirection.③Theoldmanfloatsfromtowntotownwithnowheretogoandnothingtodo.④Londonhasalargefloatingpopulation.（使）浮动，漂流(使）漂浮到处游荡=knockabout/wander流动的，不定的Cf:flow（河水等）流动，流；涌出音乐会结束时，很多人从音乐厅涌出。Whentheconcertwasover,___________________________________.alotofpeopleflowedfromthehall.6.水能吸收或放出大量的热量而其温度不会变化很大，因此能创造一个稳定的环境。Watercanabsorbandgiveoffalotofheatwithoutbigchangesintemperature,thuscreatingastableenvironment.absorbvt.吸收；吸引全部注意力，使全神贯注；理解，掌握beabsorbedinsth/doing①河口吸收来自内陆的各种营养物和污染物。②这个玩具车吸引了孩子的注意力。③那个老人在全神贯注地读书。Estuariesabsorbnutrientsandpollutantsfrominland.Thetoycarabsorbed/attracted/drewthechild’sattention.Theoldmanwasabsorbedinthebook.Phrases4.allthewaybythewayonthewayinthewaynowaymakeone’sway①Jackclimbed____________tothetopofthetree.②____________,Ifoundthatbookyouwerelookingfor.③Ileftthemalone,asIfeltIwas____________.④Willyoubeableto___________________totheairport?⑤“Doyouwanttohelp?”“__________!”⑥Don’tgiveupandyoursuccessis___________.allthewayBythewayinthewaymakeyourownwayNowayontheway12.agreeonsth.agreewithagreeto就…达成一致的看法/协议sb.one’sopinionwhatsb.says/saidsth.do②适合，相宜③与…相符/一致①Thisclimatedoesn’t__________me.②Yourstory___________whatIhavealreadyheard.③They_________adateforthenextmeeting.④We__________leaveatonce.⑤I__________whatyousaid,butIdon’t________yourarrangement.agreewithagreeswithagreeonagreetoagreewithagreeto13.giveback,givein(to),giveoff,giveout,giveup,giveaway,giveoneselfoverto①He___________mostofhismoneytothecountrywhilehiswife__________statesecretstotheenemy.②Theauthoritieshaveshownnosignsof____________thekidnappers’demands.③Theflowers__________afragrantperfume.④Afteramonththeirfoodsupplies__________.⑤Ipickeditupand______it______tohim.⑥Theoldman____________________theresearchofAIDS.gaveawaygaveawaygiving