高中英语unit7theseasectionⅰreading(ⅰ)(warm_up&lesson1)学案北师大版

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1、Unit7　TheSea　　你知道海水为什么是咸的吗？它会不会变淡或者变得更咸呢？　　Haveyouevernoticedthat，inthesummer，whenyoursweatdriesitwillleavemarksonyourTshirt？1　　Ifyougototheseaside，youwillknowthatseawaterdoesthesametoyourclothes，becauseitalsohasalotofsaltinit.　　Waterevaporates(蒸发)fromthesurfaceoftheseabutthesaltremains

2、.Haveyoueverthoughtaboutwhethertheseaswillkeepgettingsaltier?Theanswerisno.Theoceanshavestayedatabout3.5percentsaltcontentforhundredsofmillionsofyears.2TheouterhardcrustofEarthismadeupofadozenorsohardplatesthatdrift(漂流)onextremelyhot，softrocklikefloatingislandsonasea.TheheatwithinEarthi

3、snotthesameeverywhereandtheplatesmoveduetotheheat.Whenanoceanplatebumpsintoalandplate，thelessdenselandplatefloatsovertheoceanone.Theoceanfloorgetspushedunder，anditssaltyrocks，alongwithshellsandbones，arelostdeepwithinEarth.So，3根据短文内容，从下面所给选项中选出能够填入空白处的最佳选项。选项中有两项为多余选项。A．Themarksaredirty.

4、B．therearemanysaltymaterialintheoceans.C．that'swhytheseasaresaltybutdon'tgetanysaltier.D．Itmaintainsaconstantlevelofsaltindifferentways.E．Themarksaretinybitsofsalt.【答案】　1—3EDCSectionⅠ　Reading(Ⅰ)(Warmup&Lesson1)[新生词汇初识]Ⅰ.匹配下列单词的词性及汉语意思1．participate　　　A．adj.不知道的，未知的2．evaluateB．adv.最终；终于3．

5、arrangeC．vi.道歉4．spiritD．n.讲授，演讲5．deedE．n.祖先，祖宗6．furtherF．vt.安排，准备7．journeyG．n.行为，行动8．lectureH．vt.评估，评价9．ancestorI．adv.更远，较远10．eventuallyJ．vi.参加11．unknownK．n.旅行，旅程12．apologiseL．n.精神【答案】　1—5　JHFLG　6—10　IKDEB　11—12　ACⅡ.选择下列句中相对应词组的汉语意思1．You'rebraveandcourageous.Youcanmakeit.2．Hehashadtotra

6、velthecountryinsearchofwork.3．Youwouldn'thavegotintotroubleifyouhadtakenmyadvice.4．LongbeforeIeverwentthere，Africawasaliveinmyimagination.5．Fillouttheapplicationcarefully，andkeepcopiesofit.【答案】　1—5CDEAB[教材语篇细研]第一步　速读——了解文章主题和段落大意速读P8教材课文，匹配段落大意1．Part1(Paras.1～2)A．TheexplorationsofEric，t

7、heRedBiarni，Leif&Biarni2．Part2(Paras.3～5)B．WherethestoriesofVikingscomefrom3．Part3(Para.6)C．TheintroductionoftheVikings【答案】　1—3　CAB第二步　细读——把控文章关键信息细读P8教材课文，判断正(T)误(F)1．TheVikingswerethefirstEuropeanstoreachAmerica.(　　)2．In982ADtherewereabout1000VikingslivinginIceland.(　　)3．Eric