高中英语总复习 Unit4 Astronomy： the science of the stars课.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.making
C.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.polluting
C.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/soft
gentle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/drag
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