Module 4 Sandstorms in Asia 导学案-高中英语外研版必修三

高一英语导学案编号：高一年级英语导学案Book3Moudule4教学内容Module4SandstormsinAsia编制人审核人执教教师学习目标1．解决文章中出现的困难词汇的读音与意义问题。2．能看懂长句难句，理解文章大意。学情分析教学措施重点难点分析1．重点短语和词汇。2.文章大意的理解。教学过程一、自主预习（独学）教学思路（二次备课）Ⅰ.重点词汇1.sn.沙尘暴2.fadj.吓人的;可怕的3.iadj.内地的;内陆的4.adj.大量的;大规模的5.cn.战役;活动6.dn.(土地的)沙漠化7.pn.进程;过程8.cn.公民;市民9.n.沙尘;灰尘10.fvt.预报;预告11.sn.力量;力气→adj.强壮的.12.vi.骑自行车13.n.面罩14.cut砍倒15.becaught突然遭遇(风暴等)16.oneanother一个接一个地1.Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.人们砍树挖草也造成了土壤的沙化。◆cutdown砍倒WhenIpassedby,somefarmerswerecuttingdowntrees.当我经过的时候,一些农民正在砍伐树木。cutsth.down(to...)/cutdown(onsth.)削减,缩小(尺寸、数量或数目)cutin插嘴;超车抢道cutoff切断;使隔绝cutup切碎;使伤心cutout割掉;删除①Cutonfattyfoodsandalcoholifyouwanttoloseweight.

②ShecutonaredFord,forcingthedrivertobrakeheavily.

③Thearmywascutfromitsbase.

④Shecutthemeatonhisplate.

⑤Youcancuttheunimportantdetailstomakeyourwritingbrief.

2.ScientistshavetriedmanywaystosolvethisproblemandinChina,amasscampaignhasbeenstartedtohelpsolveit.科学家尝试过多种方法解决这个问题,在中国,也发动了群众运动来帮助对付沙尘暴。(1)mass【用法1】adj.大量的;大规模的(仅用于名词前);群众的Theirlatestproductisaimedatthemassmarket.他们的最新产品瞄准了大众市场。【用法2】n.[C]许多;一群;团;块Shehasamassofthingstodo.她有大量的事情要做。【即学即用】用mass或mass短语的适当形式填空①Themovementwasacampaignwhichwasorganizedbygovernment.

②arethetruemakersofhistory.

③Therewerepeopleintheshopyesterday.

④Whenwefaceinformation,thekeyishowtochoosetheusefulinformation.

(2)campaign【用法1】n.战役;(为取得某种结果而进行的政治、商业或社会性的)运动;(宣传)活动HowmanyenemiesdoyouknowwerekilledintheHuaihaiCampaign?你知道在淮海战役中死了多少敌人吗?Wearelaunchingacampaignagainstwaste.我们正发起一场反浪费运动。【用法2】v.发起运动,参加活动Wehavecampaignedsuccessfullyforbetterruraltransport.我们成功开展了改善农村交通状况的活动。【即学即用】完成句子①她成功地领导了一次反对关闭图书馆的运动。Sheledasuccessfultheclosureofthelibrary.

②她毕生致力于环境保护运动。Shespentallherlifeenvironmentprotection.3.“Tohavebeencaughtinasandstormwasaterribleexperience,”hesaid.他说:“遭遇沙尘暴是一种可怕的经历。”◆becaughtin遇到(风、雨、雪等);被困于……Ourcarwascaughtintheheavysnow.我们的车被大雪困住了。catchfire着火catchsightof看见catchupwith赶上catchsb.doingsth.撞上某人在做某事catchone’sattention/eye引起某人的注意【即学即用】完成句子①他昨天淋了一场大雨。Heaheavyrainyesterday.

②Whenhewaswalkinginthestreet,anoldmaninrags(吸引了他的注意).

4.Youjusthadtohopeyou’dsurvive.你只能希望自己可以活下去。◆survive【用法1】vi.幸存,生还(后可跟介词from或on)Heluckilysurvivedfromtheaircrash.他幸运地避过了那次空难。Hesurvivedonthedirtywaterfoundinthecave.他活了下来完全是靠洞中找到的那点脏水。【用法2】vt.幸存;比……活的时间长Fewpeoplesurvivedthesuddenbigearthquake.几乎没有人在那次突然而来的大地震中幸存。Shesurvivedherhusbandbytenyears.丈夫死后她又活了十年。5.Thestormssometimescontinuealldayandtrafficmovesveryslowlybecausethethickdustmakesitdifficulttosee.暴风有时持续一整天,车辆开得很慢,因为浓浓的尘埃降低了能见度。这是一个并列复合句,and连接两个并列分句,because引导一个原因状语从句。句中makesitdifficulttosee中的make是使役动词,意为“使(某人或某物处于某种状态)”,其中it为形式宾语,difficult为宾语补足语,不定式短语tosee为真正的宾语。make常用结构为:makeit+adj./n.(forsb.)todo...Theheavysnowmadeitimpossibleforthemtogetthereontime.这场大雪使得他们不可能按时到达那儿。Hemakesitaruletoreciteapoemeverymorning.他把每天早晨背诵一首诗作为一个习惯。提示:①作形式宾语的词只能使用代词it。②it作形式宾语时,后面的宾语补足语除了形容词外还可以使用名词。③it作形式宾语的情况还用在下面句式中:feel/think/believe/find/consider+it+adj./n.+(forsb.)todo/that...【即学即用】完成句子①汤姆病了,使得我们不可能按时完成这项工作。Tom’sillnessmadetheworkontime.

②大雨使得救援队伍挽救在6月1日沉在长江的客轮中的幸存者更加困难。TheheavyrainsurvivorsinapassengershipwhichsunkinYangtzeRiveronJune1.

6.TheChineseCentralWeatherStationcanforecastasandstormsomeweeksbeforeitarrivesinBeijing,butthestrengthofthestormsometimessurprisespeople.中国中央气象台能在沙尘暴到达北京前几周进行预报,但风力大得有时让人们吃惊。strengthn.[U]体力,力气,意志力[C]优势,长处Heraisedtheheavyboxwithallhisstrength.他用全身力气举起了那个重箱子。Thoughheisnothard-working,hehassomestrengths.尽管他学习不刻苦,但还是有些长处的。ReadingandVocabulary1.SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultof“desertification”.(P32)本句中appeartohavedone为不定式的完成时,表示一个更早的动作,发生在主要动词所表示的动作之前。其中appear意为“似乎,好像”。Fromherlook,sheappearstohaveknownthetruth.从她的表情看,她好像已经知道了真相。【拓展】appear用作系动词,意为“似乎,显得,好像”,常见用法:appear+n./adj.,appeartodo/tobedoing/tohavedone...似乎要做/正在做/已经做过……itappearstosb.that...在某人看来,似乎……thereappearstobe...似乎有……课文缩写填空SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies.Scientistshavetriedmanyways1.(solve)thisproblemandinChina,amasscampaign2.(start)tohelpsolveit.

Sandstormsarestrong,drywindsthatcarrysand.Theyareoften3.thickthatyoucan’tseethesun,andthewindissometimesstrongenough4.(move)sanddunes.

NorthwestChinaispartofthesandstormcenterinCentralAsia.Sandstormsbegin5.desertareas,SandstormssometimesaffectBeijing.Citizenswakeuptoanorangeskyandstrongwinds6.coverthecityinathick,brown-yellowdust.

TheChineseCentralWeatherStationcanforecastasandstormsomeweeks7..itarrivesinBeijing,butthe8.(strong)ofthestormsometimessurprisedpeople.

Thedesertisonly250kilometersawaytothewestofBeijing.Inordertopreventit9.(come)nearer,thegovernmenthasplantedmorethan30billiontreesandplans10.(continue)plantingforthenextfiveyears.教学反思答案：Ⅰ.重点词汇1.sandstormn.沙尘暴2.ffrighteningadj.吓人的;可怕的3.inlandadj.内地的;内陆的4.massadj.大量的;大规模的5.