2020版九年级英语全册 Unit 5 Look into Science Lesson 30 Science Affects Us课件 （新版）冀教版.ppt

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1、Unit5LookintoScienceLesson30Ⅰ.根据汉语提示写出下列单词或短语1.影响v._____2.建议,提议,暗示v._______3.发展n.___________其_____形式是developaffectsuggestdevelopment动词4.discover为动词,意为“_____”,其名词形式为“_________”,意为“发现,发觉”。5.使……翻转___________discoveryturn...over发现Ⅱ.根据汉语提示完成下列句子1.我建议你也试一下!________youtryit,too!Isuggest2.托着纸板的向上的空气压力

2、要大于广口瓶内水的向下的压力。Theairpressurepushinguponthecardboard________than______thewaterpushingdownfrominsidethejar.ishigherthatof3.广口瓶外面的空气压力大,把纸板托在原位置。The______airpressureoutsidethejar_____thecardboard_______.4.我总想知道没有电脑或手机,生活是什么样的。Ialwayswonder________wouldbelike_______computers__mobilephones.higherh

3、oldsinplacewhatlifewithoutor5.看见事情的发生会很有趣。Itwillbeinteresting__________________.toseewhathappensⅢ.Readthetextandanswerthequestions1.Whichishighertheairpressurepushingupordownintheexperiment?_________________________________2.Whataffectsourdailylife?_______Theairpressurepushingupishigher.Scienc

4、e.要点developmentn.发展Step1难点·探development的词根是什么?Step2语境·悟*Ourliveswouldsurelybeverydifferentwithoutscientificdevelopments.没有科学的发展,我们的生活一定是很不一样的。(P76)*Thisisanimportantstageinourcountry’sdevelopment.这是我们国家发展的重要阶段。Step3知识·得与development同词根的词的用法(1)development为名词,意为“发展,开发”,为不可数名词;意为“事态发展;新情况;进步”时为可数名

5、词。develop为动词,意为“发展”。(2)固定搭配:developedcountry发达国家;developingcountry发展中国家。*Doingchoreshelpstodevelopchildren’sindependenceandteachesthemhowtolookafterthemselves.做家务有助于发展孩子们的独立性,教他们怎样照顾自己。*AmericaisadevelopedcountrywhileChinaisadevelopingcountry.美国是一个发达国家,而中国是一个发展中国家。Step4考点·练()①(2018·菏泽中考)Nowmor

6、eandmoreschoolscareforthefull________ofthestudents’talents.A.developmentB.agreementC.preparationA()②Plants________fromseeds,butmanyanimals________fromeggs.A.develop;developedB.developed;developC.developed;developedD.develop;developD③Itisinterestingtoresearchhis___________(develop)asascientist.

7、development