Module4SandstormsinAsiaPeriod1Introduction ReadingandVocabulary 1 根据音标 词性和汉语写出单词1 n 沙尘暴2 adj 内地的 内陆的3 n 战役 活动4 n 进程 过程5 vt 预报 预告6 n 面罩 sandstorm inland campaign process forecast mask 有部分课件由于控制文件大小 内容不完整 请联系购买完整版 根据词性和汉语写出单词 并注意拓展词汇1 adj 吓人的 可怕的 fright n 恐怖 可怕的东西 frighten v 使 惊恐 使 害怕 frightened adj 受惊的 害怕的2 adj 大量的 大规模的 n 团 块 堆 大量 众多 massive adj 大规模的3 n 土地的 沙漠化 desert n 沙漠 v 抛弃 放弃4 n 公民 市民 city n 城市5 n 沙尘 灰尘 dusty adj 满是灰尘的 枯燥的 frightening mass desertification citizen dust 6 n 力量 力气 strengthen v 加强 巩固 strong adj 坚强的 强壮的 strongly adv 坚强地7 vi 骑自行车 cyclist n 骑自行车 摩托车的人 strength cycle 补全下列短语1 cut 砍倒2 asa of由于3 dig 挖掘4 wakeup 清楚地意识到5 thissituation在这种情况下6 becaught 突然遭遇 风暴等 7 prevent from sth 阻止 做某事 down result up to in in doing 8 one another一个接一个地9 aparticulartime在一个特定的时间10 advisesb sth 建议某人做某事 after at to do Step1LeadinginLookatthepicturesandfillintheblanks 1 isthe2 bywhichapieceoflandbecomesdry empty andunsuitableforgrowingtreesorcropson Itisthemaincauseofa3 akindofbad4 whichusuallyhappensin5 andautumn Whenasandstormcomes the6 blowsstronglywith7 andsand Sometimestreesareeven8 down and9 movesveryslowly Itisvery10 Desertification process sandstorm weather spring wind dust cut traffic frightening Step2FastReadingScanthepassageandmatcheachparagraphwithitsmainidea A SandstormssometimesaffectBeijing B Sandstormsdoalotofdamagetopeople C Thegovernmentplantstreestopreventsandstorms D SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies E SandstormsinAsia F SandstormsinChinaappeartohaveincreased D E F A B C Step3CarefulReading Readthetextcarefullyandfinishthefollowingtasks 1 Whensandstormshappen whatwillyouwearifyougoout A Ahat B Acoat C Amask D Atie 2 HowmanykilometresisthedesertawaytothewestofBeijing A 350 B 250 C 150 D 200 3 WhichstatementisWRONG A Peoplesometimescan tforecastthestrengthofastorm B Thegovernmentplanstocontinueplantingtreesforthenexttenyears C NorthwestChinaispartofthesandstormcenterinCentralAsia D SandstormssometimesaffectBeijing 4 Accordingtothetext wecanlearnthatsandstorms A causepeopletobuymoremasksB aredifficulttodealwithC arenotdangerousbutfrighteningD willdisappearwithinfiveyears 5 WhichofthefollowingisTRUEaccordingtothetext A RenJianbothoughthewouldprobablydiefromthesandstorm B Asandstormcanbeforecastseveralmonthsbeforeitarrives C HuangXiaomeifrequentlycyclesinsandstorms D SandstormsoccurinBeijingmainlybecauseofitsdryclimate Fillintheblankswithproperwordsandphrasesaccordingtothetext climate changes cut down trees dig up grass Effects Suggestions plant trees Sentenceexplanation 1 Thisisaprocessthathappenswhenlandbecomesdesertbecauseofclimatechangesandbecausepeoplecutdowntreesanddigupgrass 分析 thathappens 是定语从句 修饰先行词 定语从句中有两个状语从句 一个是 引导的时间状语从句 另一个是 引导的原因状语从句 句意 这 沙尘暴 就是 而使陆地变成沙漠时的一个过程 process when because 因为气候变化和人们砍伐树木 挖掘草地 2 TheChineseCentralWeatherStationcanforecastasandstormsomeweeksbeforeitarrivesinBeijing butthestrengthofthestormsometimessurprisespeople 分析 是时间状语从句 是连词 是并列连词 句意 中国中央气象台能在沙尘暴到北京前几周做出预报 但是沙尘暴的力量有时令人惊讶 beforeitarrivesinBeijing before but Step4RetellingTrytoretellthemainideaofthepassage Sandstormshavebeenamajor1 formanyAsiancountriesforcenturies Scientistshavetriedmanywaysto2 thisproblem disaster solve Sandstormsarestrong drywindsthatcarrysand Theyareoften3 thickthatyoucannotseethesun andthewindissometimesstrongenoughtomovesand4 Thefourmainplacesintheworld5 therearesandstormsareCentralAsia NorthAmerica CentralAfricaandAustralia RenJianbodescribedaterriblesandstormheexperiencedasachildinthedesert To6 asandstormwasaterrible7 hesaid Itwasthemost8 andthemostdangerous9 I veeverbeenin Youjusthadtohopeyou d10 IthoughtIwasgoingtodisappearunderthesand so dunes where have been caught in experience frightening situation survive Step5DiscussionWhatshouldpeopledotoprotectthemselveswhenasandstormcomes Peopleshouldwearglassesandmaskstoprotecttheireyesandfaces Ifpossible theyshouldstayathomewhenasandstormcomes