高中英语总复习 Unit4 Astronomy： the science of the stars课件 新人教版必修3 课件.ppt

Unit4Astronomy：thescienceofthestars根据语境猜词义(1)Fruitjuicescanbe_harmful_tochildren'steeth.(2)Manyhouseholdsproductsarepotentiallyharmful.根据语义找匹配：A.有害的B.危害Itdoesnoharmtodosth./Thereisnoharm(in)doingsth.不妨做某事Itwouldn'tdosb.anyharmtodosth.做某事对某人并无害处Noharmdone!(对别人做错事的一种劝慰)没事儿！不要紧！单词拼写(1)Yoursmokingmaybeharmful(有害)tothehealthofyourbaby.(2)Thestormhasdonegreatharm(有害)tothecrops.(3)Thedogseemsfierce,butactuallyhe'sharmless.2、preventv.根据语义找匹配：A.阻碍B.阻止单项填空()(1)Wemusttakefirmandefficientmeasurestopreventpollution______ourlifeevenbetter.A.tomakeB.makingC.makeD.againstmakingA考查非谓语动词的使用。本题的语义是：为了使我们的生活更加美好，我们必须采取果断而卓有成效的措施阻止污染。根据语境非谓语动词在本句是目的状语，所以答案是A。本题极容易造成学生们的思维定势而误选B。()(2)We'llsparenoefforttopreventtheriver______.A.frompollutingB.pollutingC.beingpollutedD.polluted3、developv.根据语义找匹配：A.养成(习惯)B.发展C.开发用develop的正确形式填空Withthedevelopmentofscienceandtechnology,somedevelopingcountrieshavedevelopedintodevelopedones.4、puzzlen．&v.根据语义找匹配：A.使……迷惑不解B.谜C.难题D.使……为难puzzlingadj.令人困惑的；使人感到困惑的puzzledadj.困惑的；感到困惑的puzzlementn.困惑，迷惑beinapuzzleabout对……大惑不解workoutapuzzle猜谜；解决难题puzzleover对……冥思苦想puzzleout(苦苦思索而)搞清楚puzzleone'sbrainabout/over对……而大伤脑筋用puzzle的正确形式填空The(1)puzzlingboy(2)puzzledhismother,sotherewasa(3)puzzledexpressiononherface.Muchto(4)puzzlementofhismother,helefthomewithoutsayingaword.5、gentleadj.根据语义找匹配A.轻轻的，轻柔的B.温柔的，文雅的begentlewithsb.对某人体贴入微，对某人温柔有加gentleinvoice/action声音温柔，举止文雅haveagentlemannerofdoingsth.做某事风度高雅gentle/mild/softgentle用于人时，指温柔文雅的举止，出于自我约束或对他人的体贴。指物时，强调物体运动的轻缓。mild指出于本性性格温柔，脾气好，强调自己“态度安详，不粗野”。Hehastoomildanaturetolosehistemper.soft指人心肠柔软，言语婉转。Iamalwaystoosoftwithyou.单项填空()(1)Strollingatthelake,the______windisbrushingyourface.Howromantic!A.mildB.softC.gentleD.light()(2)Theteacherwastoo______withherclass,sotheywereoutofcontrol.A.mildB.softC.gentleD.light6、pulln．&v.根据语义找匹配：A.拉B.吸引力pulldown拆除；(把身体)拖垮pulloff(匆忙地)脱下(衣物);(成功地)完成pullon(匆忙地)穿上pullout拔出；驶出；摆脱(困难)pullin进站；靠岸pullaway驶离；开走pulltogether通力合作；整顿；控制(感情)pullthrough恢复健康；渡过难关pull/draw/dragpull一般用法，指各种情况的“拉”，但有时强调一时或突然拉的动作。Ipulle