八年级物理下册 第八章 动力和力 第1节 牛顿第一定律课件 (新版)新人教版 (19)

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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Section A,1,自 主 预 习,Section A,短语互译,1.(闹钟)发出响声 _,2.洗淋浴 _,3确认,确保 _,4.醒来 _,5pick up _,6.fall asleep _,7die down _,8.in a mess _,go off,take a shower,make sure,wake up,接电话,睡着,逐渐变弱;逐渐消失,凌乱;杂乱,2,Section A,句型在线,1.昨天暴风雨来的时候,人们正在做什么?,What _ people _ yesterday _ _ _ _ the rainstorm?,2当你打电话的时候,我正在洗淋浴。,_ you called,I _ _ a shower.,3所以当你睡觉时,我给詹妮打了电话,她帮助了我。,So _ you _ _,I called Jenny and she helped me.,4乌云正使天空变得很暗。,Black clouds were _ the sky very _.,were,doing,at,the,time,of,When,was,taking,while,were,sleeping,making,dark,3,互 动 探 究,词汇点睛,Section A,1begin v.开始,观察 I was waiting for the bus when it began to rain heavily.,当开始下大雨的时候,我正在等大众汽车。,探究 begin是动词,意为“开始”,其过去式是began,过去分词是begun。,拓展,4,Section A,5,Section A,活学活用,1根据句意及首字母提示补全单词,The meeting b_ at 3:00 pm.and finished at 6:00 pm.,2根据汉语意思完成句子,吃完蛋糕之后,他们开始唱歌和跳舞。,They began _ _ _ after eating the cake.,egan,singing,and,dancing,6,Section A,2report v.&n.报道;公布,观察 The news on TV reported that a heavy rainstorm was in the area.,电视上的新闻报道说该区域有一场大暴雨。,He is reading a report of the state of the roads.,他正在读一篇关于道路状况的报告。,探究 report可以作名词,也可以作动词,意为“报道;公布”。,拓展 派生词:reporter n.记者,7,Section A,活学活用,1根据句意及汉语提示完成句子,We are going to listen to a _(报道)tonight.,2用所给词的适当形式填空,The girl wants to become a _(report)when she grows up.,report,reporter,8,Section A,3beat v.敲打;打败,观察 Ben was helping his mom make dinner when the rain began to beat heavily against the windows.,当雨水开始猛烈地敲打窗户的时候,本正在帮助他的妈妈做饭。,探究 beat作动词,意为“敲打”,其过去式是beat,其过去分词是beaten。,辨析 beat与win,9,Section A,beat,表示“赢得”比赛、竞赛、奖牌、奖杯等,通常和match,competition,game,medal,prize等搭配。,win,表示“打败”对手,和表示人、球队、对手等的词搭配。,We beat them by score 2 to 1.,我们以2比1赢了他们。,Which side won the football match?,哪个队赢了足球赛?,10,Section A,活学活用,1根据句意及汉语提示完成句子,The boy is _(敲打)the drums and he looks very excited.,beating,11,Section A,2单项选择,2014陕西,The Chinese national womens badminton team _ the Japanese team by 3:1 in India on May 24.,AwonBLost Cbeat Dmissed,解析 C本题考查动词辨析。主语是“中国国家女子羽毛球队”,它以3比1的成绩“战胜”了日本队,故beat符合题意。,12,Section A,4against prep.倚;碰;撞,观察 I put my bicycle against the wall.,我把我的自行车靠在墙上。,探究 against是介词,意为“倚;碰;撞”。,拓展 against作介词时还可译为“反对;不同意”,此时其反义词是for,表示“支持”。如:,Are you for it or against it?,你对这件事是赞成还是反对?,13,Section A,活学活用,2014广东,Most people are _building a paper factory near here.They are worried the river will get polluted.,AforBwith,Cagainst DBeyond,解析 C结合题干中的“他们担心河流被污染”可知,大多数人反对在这附近建一家造纸厂。故against符合题意。,14,Section A,5rise v.&n.升起;增加;提高,观察 When he woke up,the sun was rising.,当他醒来的时候,太阳正在升起。,探究 rise作动词,意为“升起;增加;提高”,其过去式是rose,过去分词是risen。,辨析(1)rise为不及物动词,意为“升起,起来,起身”。如:,The sun rises in the east.太阳从东方升起。,She rose from the table suddenly.,她突然从桌旁站了起来。,15,Section A,(2)raise为及物动词,意为“举起;抬起;增加”。如:Can you raise this heavy box?,你能举起这个重箱子吗?,16,Section A,活学活用,用rise或raise的适当形式填空,(1)The sun _ in the east and sets in the west.,(2)If you know the answer,please _ your hand.,rises,raise,17,Section A,短语归纳,1go off(闹钟)发出响声,观察 My alarm didnt go off so I got up late.,我的闹钟没有响,所以我起床晚了。,探究 go off是固定搭配,意为“(闹钟)发出响声”。,18,Section A,活学活用,Why did you arrive late for class?,Because my alarm clock didnt _.,A.go offB.go out,C.go back D.go back,解析 A结合句意可知,我迟到是因为我的闹钟没有响,故go off符合题意。,19,Section A,2pick up 接电话,观察 I called you last night,but you didnt pick up.昨晚我给你打电话了,但是你没接。,探究 pick up是固定搭配,意为“接电话”,还可用pick up the phone或answer the phone表达。,拓展 pick up还有如下含义:,捡起;拾起,He picked up his hat and went away.他捡起帽子后离开了。,开车去接,I will go to the airport and pick up my uncle.我要去机场接我的叔叔。,20,Section A,活学活用,2014绍兴,Do you _ your son after school?,No.He comes back home on the school bus.,Apick upBlook after,Cdrop in Dsend for,解析 Apick up意为“捡起,开车去接”;look after意为“照顾”;drop in意为“顺便来访”;send for意为“派人去请”。结合本题答语中的“他坐校车回家”可知,问句问的是“你开车接你儿子放学吗?”,故参考答案为A。,21,Section A,3fall asleep 睡着,观察 He finally fell asleep when the wind was dying down at around 3:00 am.,在凌晨 3 点左右的时候,风开始减弱,最后他睡着了。,探究 fall asleep是固定搭配,意为“睡着”,其中asleep是表语形容词,意为“睡着的”。,拓展,22,Section A,23,Section A,活学活用,2013鄂州,My grandmother often falls _(睡着)when she watches TV.,asleep,24,Section A,句型透视,1What were people doing yesterday at the time of the rainstorm?,昨天暴风雨来的时候,人们正在做什么?,探究 at the time of是固定搭配,表示“在的时候”。如:,What were you doing at the time of the earthquake?地震发生时,你正在做什么?,25,Section A,活学活用,暴风雨来的时候,你妹妹正在做什么?,What was your sister doing _ _ _ _ the rainstorm?,at,the,time,of,26,Section A,2I was so busy looking for the umbrella that I didnt see a car coming.我正忙着找雨伞以至于没看见一辆小汽车过来。,探究 be busy doing sth.意为“忙于做某事”;而be busy with sth.意为“忙于某事”。,27,Section A,活学活用,Linda isnt available now.She is busy _(sweep)the floor.,sweeping,28,Section A,3When you called,I was taking a shower.,当你打电话的时候,我正在洗淋浴。,探究 该句是由when引导的时间状语从句,when意为“当的时候”,后面通常接时间点,从句中的谓语动词用短暂性动词。从本单元语法角度来解释,when后面接的是一般过去时态。如:,When I arrived at home,she was writing a letter.,当我到家的时候,她正在写信。,29,Section A,活学活用,2015长沙,I called you last night but you didnt answer.,Sorry,Grace.I_ I Am A Singer when the phone rang.,Aam watchingBwas watching,Chave watched,解析 B,30,Section A,4So while you were sleeping,I called Jenny and she hel
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