高中英语《unit4 astronomy the science of the stars language acquaintance（1）》导学案 新人教版必修3

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1、第三册第四单元第二课时词汇导学案BOOK3Unit4Astronomy:thescienceofthestarsLanguageacquaintance（1）LearningGoals:1.TosolveSspuzzlesinthereadingtext2.ToenableSstomastersomenewwords,expressionsandsentencepatterns.Importantpoints:Notuntil,intime,(sth)betodo,thefirsttimePreviewing(预习)Task

2、1：写出下列单词的同源词⑴astronomyn.__________(意义)：__________(n.)____________(意义)⑵religionn.宗教；宗教信仰____________(adj.)____________(意义)⑶violentadj.猛烈的：_______________(n.)_____________(意义)⑷globaladj.全球性的：_________________(n.)__________________(意义)⑸unlikeprep.不同；不像：________（prep.)

3、相像___________(v.)不喜欢⑹harmfuladj.有害的：____________(n.)___________(意义)⑺fundamentaladj.基础的：________(adv.)_______(意义)⑻extinctadj.灭绝的：__________________(n.)_________________(意义)⑼exhaustvt.用尽，耗尽________________(adj)_______________(意义)⑽multiply________(意义)加________减_______

4、_除________Task2:根据句子的结构和意义，在空格处填入一个恰当的单词，或者用括号中所给的适当形式填空。1.Wehaveestablishedsocialist____(制度).2.Hedoesn’tbelievein________________(宗教).3.Itissoin__________(理论)，butnotinpractice.4.Thestrugglebecamemoreandmore_______________(激烈的).5.Freshairis______________(基础的，基本的)to

5、goodhealth.6.Fruitjuicescanbe__________(有害的)tochildren’steeth.8.Salt__________(存在)mostlyinseawater.9.What_____________(使迷惑)meiswhyhelookssoold.10.Childrenwilllearnto__________(乘)inthesecondgrade.Researchinclass(课堂探究)Step1.Lead-inSolvethepuzzlesinthereadingtext.Step

6、2.Thinking1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.Not…until…直到…才…Itis/wasnotuntil…that…强调句直到十点我才吃早餐Ididn’thavebreakfastuntil10o’clock._________________________________.(用强调句)他们到了西藏才发现它的美.Theydidn’tnoticet

7、hebeautyofTibetuntiltheyarrivedthere._______________________________________________(用强调句)2.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.violentadj.猛烈的，激烈的________n.暴力激情即学即练1.Theymadeaairattackonthecontrary.A．firmB.violentC.painfulD.huge2.O

8、nhearingtheunexpectingnews,ourteachertrembled.A．muchB.gentlelyC.violentlyD.especially3.Theywereintimetoproducecarbon,nitrogen,water,vapor,andothe