PAGELet’sDoanExperiment学习目标1.掌握单词及短语：science,experiment,fill,prove,scientific,method,doanexperiment,fill…with,cover…with,turn…upsidedown,be(not)sure…2.了解詹妮、丹尼和布莱恩的实验并
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理由。学习重点Besure的用法学习难点Besure的用法学法指导通过课前预习掌握基本知识，通过合作探究解决较难知识，通过堂达标巩固所学知识。知识准备beworriedabout担心课题组补充学习流程学习流程预习检测1.自学教材第25课单词与词组，你可以听录音跟读，根据音标读，或者请教别人读。做到发音
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，弄清词性和汉语意思。读得同时用红色圈出新单词，用红色双圈圈出生单词。2.自学教材第32页内容，仔细读课文至少五遍，弄清课文大意。用红色横线划出文中的重要句子。任务导学【自主学习】I．（独学）自读课文，圈出文中你不懂的单词，并把它们写下来的这些单词写下来。____________________________________________________Ⅱ.翻译下列短语。1.给广口瓶装入水_______________2.用硬纸板盖住瓶口_____________3把广口瓶翻转过来______________4.做一个实验____________________5.科学的方法______________________III.在自学过程中，你还有哪些疑惑用红色波浪线在文中画出来，并把它写下来，和你的同伴交流。【合作探究】Ⅰ.（独学）读课文，想一想下面的两个问题1.WhatexperimentisBriangoingtodo?_____________________________What’sDanny’stheoryaboutwhatwillhappen?________________________Ⅱ.（对学）再读课文，给下列句子排序。1.Putyourhandonthecardboard.Andturnoverthejarcarefully.2.Moveyourhandawayquickly.3.Fillthejarwithwater.4.Coverthetopwithapieceofcardboard.5.Thecardboardwillholdthewaterup._____________________________Ⅲ.分组做实验，并用英语描述实验过程及结果。达标检测单项选择1.----HowlonghasMrs.Green_________?----Sincelastweek.A.becomeillB.fallensickC.gotsickD.beenill2.Themotherwas_______hersonbecausehehadnotbeenback.A.worryaboutB.worriedaboutC.toworryaboutD.worryingabout3.Ihave_______todo.Pleasegiveme_____toread.A.something,anythingB.nothing;somethingC.nothing;somethingD.anything;nothing4.Theboysarrivedlateatthecinema,and______thestartofthefilm.A.caughtB.missedC.gotD.lost5.EveryonelistenedtoLeiFeng’sstory______intheclassroom.A.quietB.quietlyC.quickD.quickly6.Bequiet!I’lltellyouwhatmyfriend’sletter________.A.saysB.writesC.readsD.sings7.Thedoctortoldme_______plentyofwaterandhaveagoodrest.A.drinkB.todrinkC.nottodrinkD.tonotdrink拓展延伸DotheexperimentingroupsastoldinP3inLet’sDoIt.小结Let’ssummarizethekeypointsanddifficultpointstogether.作业布置1.Understandthemeaningofthetext2.Rememberthemasterywordsinthislesson.3.Finishtheactivitybookoflesson25.课后反思
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