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1、ReferenceforTeaching?ReferenceforTeaching? Ⅰ.异域风情? Koala? Whydidthekoalacrosstheroad?Togettolessharmfultreeleavesontheotherside,accordingtonewAustralianresearch.? Foryearskoalashavepuzzledscientistsbyriskingtheirlivestocrossbusyhighwaystoeatfromaparticulareucalyptustree(桉树)whi
2、lerefusinghundredsofothertreesofthesamespecies.? Itisanewchemicalinthoseparticulareucalyptustreeswhichstopthekoalasfromeatingthem.Koalashaveadigestivesystemthatletsthemnotbeharmedbythepoisonintheeucalyptustree,whichcouldbeharmfultohumans.? TheGuinnessBookofRecordslistskoalas,nat
3、ivetoAustraliaandindangerofextinction,astheworld’smoststricteaters.Theyareknowntochoose0.6kilogramleavestoeatadayfromninekilograms.Akoala’sdietisalmostwhollylimitedtoeucalyptusleaves,verylowinenergy-producingnutrients,butitisthepicky(挑剔的)eatinghabitwhichisputtingtheanimalatrisk.?
4、 SinceEuropeansettlement,about80percentofAustralia’seucalyptusforestshavebeenclearedandmostremainingtreesareonprivateland.? Thekoala’sslowmovementalsomakesitafrequentvictimofdogs,carsandbushfires.TheAustralianKoalaFoundationsaysthat4000koalasarekilledeachyearbydogsandtraffic.Koal
5、asnownumberlessthan100000downfrommillionsinthe1920swhentheywereshotfortheirfur.? Ⅱ.知识归纳? 1.不能用于进行时态和被动语态的动词? 英语中有些动词比较特殊，它们不能用于进行时态和被动语态，这样的（短语）动词常见的有：? (1)belongto属于……? Oursuccessbelongstoallthepeoplepresent.? 我们的成功属于在座的每一个人。? (2)meet遇见；碰到? Imethiminthestreetateightyester
6、daymorning.? 昨天早晨8点钟我在街上碰到了他。? (3)stay,keep,remain等动词? Theweatherhasstayedhotrecently.? 最近天气一直很热。? Afterhiselectiontoahighofficer,heremainedmodest.? 在被选为高级领导干部之后他仍然谦虚。? (4)washeasily(易洗)，breakeasily(易折),writesmoothly(写起来流畅),lighteasily(易燃)等动副搭配。? Thiskindofclothwasheseasil
7、y.? 这种布容易洗。? Itisverywet,thematchdoesnotlighteasily.? 天气很潮湿，火柴不易划着。? (5)stand,lie等静态动词? 这些动词表某物位于某处。? Therestandsahighbuildingoverthere.? 那边矗立着一座高高的楼房。? (6)taste,feel,look,smell,sound等感官动词? Thiskindoffoodtastesgood.? 这种食物尝起来味道很好。? Icealwaysfeelscoldtous.? 对我们来说冰摸起来总是冷的
8、。? (7)sellwell(畅销)，lastwell(持久)，
