Module4SandstormsinAsia MostofthesandstormsthathadsweptChinalastyearoriginatedfromforeignland aChineseofficialinchargeofdesertificationcontrolsaidMonday Andtheinvasions 入侵 couldpartlyexplainthefrequentsandstormsinthecountryinrecentyearsdespiteitsachievementsindesertificationcontrol Sincethestartoflastspring thenorthandnorthwesternChineseregionshadbeenhitby17sandstorms ofwhich adozencamefromforeignland 话题导入 Situatedinthecentral Asiasandstormregion oneoftheworld sfourlargestsandstormsources ChinaalsosuffersfromsandstormsfromoutsidethecountrywhilebeingblamedasasandsourcetonortheastAsia TheotherthreemajorsourcesareinAfrica NorthAmericaandAustralia Thelandsufferingfromdesertificationhasbeendecreasingby7 585sq kmannuallyinChina andtheareaofsandylandhasalsobeenfallingby1 284sq kmayear Theshrinkage 收缩 formsaclearcontrasttothefactthatthelandsufferingfromdesertificationandsandyfeaturewasaddedby10 400sq kmand3 436sq kmlatelastcentury respectively Currently thedesertificationlandinChinamakesup2 64millionsq km accountingfor27 46percentofthenation sland anditssandylandtotals1 74millionsq km accountingfor18 1percentofthecountry stotal 根据上文完成下列各题1 WheredomostofthesandstormsinChinacomefrom 2 Whatdoestheunderlinedword decreasing meaninParagraph4 3 WhichisbelievedtobethesandsourcetonortheastAsia Foreigncountries Itmeans goingdown China 基础自测 课文预读 内容索引 要点探究 当堂达标 PeriodOneIntroduction ReadingandVocabulary 基础自测 重点单词1 adj 吓人的 可怕的vt 使惊吓2 adj 内陆的 内地的n 陆地3 n 进程 过程4 n 公民 市民5 n 沙尘 灰尘6 n 力量 力气adj 强健的 强壮的 frightening frighten inland land process citizen dust strength strong 重点短语1 砍倒2 挖3 突然遭遇 风暴等 4 由于 因为 作为 的结果5 一个接一个地 cutdown digup becaughtin asaresultof oneafteranother 重点句式 Theyareoftenthickyoucannotseethesun andthewindissometimesstrongenoughtomovesanddunes 沙尘暴常常很大 以至于遮住了太阳 有时风力大得足以移动沙丘 1 so that so that wasaterribleexperience hesaid 他说 遇上沙尘暴是一种可怕的经历 2 不定式作主语 Tohavebeencaughtinasandstorm Thestormssometimescontinuealldayandtrafficmovesveryslowlybecausethethickdustmakesitdifficult see 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 3 make it adj todo tosee 课文预读 阅读课文 匹配段落大意1 Para 1A Thedescriptionofstrongsandstorms 2 Para 2B TheeffectsofsandstormsonBeijing 3 Para 3C ThemeasurestopreventsandstormscomingtoBeijing 4 Para 4D Sandstorms Asianmajordisaster 5 Para 5E Whattodoinasandstorm 6 Para 6F NorthwestChina asandstormcenter 课文判断正 T 误 F 1 Sandstormsarestrong wetwindsthatcarrysand 2 Sandstormscomefromthedesertareas 3 Thelandbecomesdesertmainlybecauseofclimatechanges 4 SandstormsinChinaseemtohaveincreasedinrecentyears 5 SandstormsusuallycontinueseveralmonthsinBeijing F T F T F 课文阅读理解1 Whatisthebestdescriptionaboutasandstormaccordingtothetext A IthasbeenamajordisasterformanyAsiancountriesforcenturies B Itisstrongwindcarryingsand C Itisawaytocauselandtobecomedesert D Itisakindofnaturaldisasterthatcan tbetreated 答案 1 2 3 4 5 2 WhatisthemainreasonfortheincreaseofsandstormsinChinarecently A Tobeclosetomanydeserts B TheworseningoftheweatherinChina C Desertification D Cuttingdowntreesanddiggingupgrass 1 2 3 4 5 答案 3 Whateffectsaresandstormsbringingtopeoplelivingincities A Thewholecityisusuallycoveredinathickandbrown yellowdust B Trafficmovesveryslowly C Peoplecan tbreathewellandthedustmakesthemill D Alloftheabove 1 2 3 4 5 答案 4 Whatisthebestwaytoavoidtheeffectsfromthesandstorm A Tolivefarawayfromdeserts B Tostayathomewhenasandstormhappens C Towearamaskifyouwanttogoout D Toplantmoretrees 1 2 3 4 5 答案 5 WhichofthefollowingisNOTtheelementtomakeCentralAsia NorthAmerica CentralAfricaandAustraliathefourmainplaceswheretherearesandstorms A Theclimateintheseplacesisratherbad B Theyarealltheplaceswithbigdeserts C Thenaturalenvironmentintheseplacesisworseningeveryyear D Thegovernmentsintheseplacespaylittleattentiontotheprotectionofnature 1 2 3 4 5 答案 要点探究 Itlastedfortenhoursandwasveryfrightening 它 这场沙尘暴 持续了十个小时 非常可怕 重点词汇 1 frighteningadj 令人害怕的 吓人的 2 frightenedadj 害怕的befrightenedof at that 害怕 befrightenedtodosth 害怕去做某事 3 frightenvt 使害怕frightensb away吓走某人frightensb todeath把某人吓得要死frightensb intodoingsth 恐吓某人做某事frightensb outofdoingsth 恐吓某人使其不敢做某事 归纳拓展 1 Asuddenstopcanbeaveryfrighteningexperience especiallyifyouaretravellingathighspeed 2016 浙江 突然停下来可能是一次非常可怕的经历 尤其是你正在高速行驶时 2 Theboywasfrightenedtospeak 那孩子吓得不敢说话 3 Theyfrightenedtheoldladyintosigningthepaper 他们恐吓那位老太太签了字据 语境助记 1 用frighten的正确形式填空 Thegirlwasbythedog Onseeingtheman sface allareaway frightened frightened frightening frightening frightened 2 单句改错Ihadafrightenedencounter 遭遇 withapoisonoussnake frightening 题组训练 cutdown砍倒 杀死 削减 缩小 尺寸 数量等 cutout剪除 切掉 割掉 停止 放弃cutup切碎 使伤心cutoff切断 停掉 隔绝cutin插入 插嘴cutacross through抄近路穿过 Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass 人们砍树挖草也造成了土壤的沙化 归纳拓展 1 Don tcutdownthetreethatgivesyoushade 不要忘恩负义 2 JohnwascutupabouthisfailuretowinMary sheart 约翰没有赢得玛丽的芳心 感到十分伤心 3 Asweweretalking shecutinwithaquestionwhetherwecouldcutacrossthesquare 我们正在谈话 她插嘴问我们是否可以抄近路穿过广场 语境助记 1 写出下列句子中cutdown的汉语意思 Thesepeopledonothaveequipmenttocutdownthetrees Thewhistlingbulletscuttheenemysoldiersdownlikecorn Mymot