2019-2020年高中英语 Unit3 inventors and inventions 第4课时导学案 新人教版选修8

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1、2019-2020年高中英语Unit3inventorsandinventions第4课时导学案新人教版选修8【学习目标】通过阅读了电话发明家亚历山大·格雷厄姆·贝尔的故事【重点难点】通过阅读材料，理解文章的内容后对该话题进行理解，然后进一步深化该话题，掌握有关的句子。【学习内容】◆课前预习I.wordsandphrases:1.________________n.额头2._____n.稻草；饮料吸管3.______n.三角形4.______n./adj.流；电流/现在的；当前的；5._____adj.稳定的；稳固的6._______________adj.实际的7.____

2、___________n.冰箱8._________________开始（做）9._________________迅速把手伸入；一心投入10.________________次序颠倒，发生故障II.Readthetextcarefullyandchoosethecorrectanswertopleteeachsentence.1.Bellinvented______bychanceaccordingtothetext.A.Morsecode　　　　　B.telegraphC.telephoneD.tetrahedron2.Whichstatementistrueacc

3、ordingtothetext?A.Bellmadeacontributiontothedeafeducation.B.Bellinventedthetelephoneforthedeaf.C.Bellthoughtyoushouldn’tthinktoomuchaboutsomethingyouhadneverseenbefore.D.Bellinventedalotofflyingmachineswhilesearchingforakitetocarryamanintotheair.3.Accordingtothetext,Bellgotsuchgreatachiev

4、ementthanksto_______.A.astrawjoinedtoadeafman’searB.theexploringaroundproblemsC.amovingelectricalcurrentD.hisexcellentassistantWatson4.Wecaninferfromthetextthat______.A.doingresearchintelegraphhelpedBellgreatlyininventingthetelephoneB.Bellwasgiventhepatentafterhesucceededinsendingthe

5、firsttelephonemessageC.inordertomakethebridgesstrongerBelldiscoveredtelephoneD.Belldiscoveredsomanypracticalsolutionsthathemustbeamillionaire◆课堂学习I.MatchthemainideaofeachparagraphPara1A.BellisacontinuingsearcherPara2B.Bell’slifeinformationandespeciallyinterestPara3C.Bell’scuriosityPara4D.

6、Bell’sinventionofthetelephonePara5E.Theimportanceofhisinvention-----telephonePara6F.Bell’sfirsttelephonemessagePara7G.Bell’snewdiscoveriesinotherareasofinventionII.Tellwhetherthefollowingstatementsaretrueorfalse.1.Bell’smotherwaspletelydeaf,butwiththehelpofBell,shecouldhearwhatBellsaid.2.It

7、wasBell’sinterestandcuriositythatledtotheinventionofthetelephone.3.Inordertoimprovehisinvention,BellmadeMorsecode.4.Heinventedthehelicopterandotherflyingmachines.III.ImportantsentencesReadthetextagain,findoutthesentencesandanalyzethem.1.Hefoundthatbypres