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高中英语(Module4SandstormsinAsia)课件2外研版教材必修3课件.ppt

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Module4SandstormsinAsiaModule4预习学案3．_________adj.关心的；担心的→_______n．&v．关心；担心 4．_______n．证据；证明→______adj.明显的；显然 的 5．_____adj.主要的；多数的→________n．大多数 6．______adj.紧急的→____vt.催促；极力主张 7．______vt.污染→________n．污染 8．________vi.抱怨；发牢骚→________n．抱怨 9．____adj.恐怖的；吓人的→_____vt.使……受惊→______adj.受惊吓的 10．_________n．保护→______vt.保护字词入章，相得益彰Module4 SandstormsinAsiatornado B【学情调查，情境导入】Fastreading:Readthetextcarefullyandchoosethebestanswers. ①Sandstormsarestrongwindscarryingthroughtheair. A.sandanddust B.rainandheat C.dirtandmud D.cloudandsnow ②Whichofthefollowingdoesn’tbelongtothemainplacesintheworldwheretherearesandstorms? A.CentralAsia. B.NorthAmerica. C.CentralAfrica. D.Austria. ③Whatdotheexpertsadvisepeopletodowhenasandstormarrivesinthecity? A.Don’tgoout. B.Don’twearmasks C.Don’tgotoworkasusual D.Don’tridebicycles.④Thefactorsthatcauselandtobedesertare. A.cuttingdowntrees B.diggingupgrass C.climatechangesD.alloftheabove ⑤Fromthelastparagraphweknow. A.thegovernmentistakingmeasurestopreventsandstorms B.thedistancebetweenthedesertandthecenterofBeijingisonly250kilometers C.morethan30milliontreeshavebeenplantedinBeijing D.thegovernmentwon’tplanttreesanymoreinfiveyears ⑥Accordingtothetext,whichofthefollowingstatementsisTRUE? A.Sandstormsbeginindesertareasandbigcities. B.NorthwestChinaispartofthesandstormcenterinCentralAsia. C.Trafficmovesveryslowlybecausetherearesandandthickdustontheroad. D.Whenasandstormarrives,nobodywillgoout.DiscussionIfyouaretowritethearticledescribingoneenvironmentalproblem,howmanypartswillyouincludeinit?Whatwillyouwriteineachpart?1.一个接一个的 2被困在--- 3照料,照看 4几个世纪以来 5建议某人干某事 6因为，由于 7苏醒过来 8整天 9阻止某人干某事 10在这种形式下 11砍伐,砍倒 12把…擦掉 Sandstormsbeginin__________.Sandstorms_________have increased______________desertification,whichhappenswhen landbecomesdesert__________climatechangesandbecausepeople________treesand______grass. RenJianbodescribeda_______sandstormhe__________:“Itwasthemost__________andthemost_________situation.”HuangXiaomweisays,“__________inasandstormis__________.