高考英语 第4讲Unit4Astronomy:thescienceofthestars课件 新人教必修3.ppt
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1、Unit 4 Astronomy:the science of the stars Unit 4 Astronomy:the science of the stars 2021/8/11 星期三1美文佳句Unit 4 美文佳句美文佳句诵美文诵美文下图描述的是全球环境问题。请仔细观察这幅漫画,用英语下图描述的是全球环境问题。请仔细观察这幅漫画,用英语写一篇短文,阐明漫画中所反映的问题,并提出解决此问题的方写一篇短文,阐明漫画中所反映的问题,并提出解决此问题的方法法(至少三点至少三点)。2021/8/11 星期三2Unit 4 美文佳句美文佳句注意:注意:1 1仔细品味图中文字的韵味,可以适当发挥
2、想象,不要做仔细品味图中文字的韵味,可以适当发挥想象,不要做简单描述;简单描述;2 2词数词数120120左右。开头已经写好,不计入总词数;左右。开头已经写好,不计入总词数;3 3作文作文中不得提及考生所在学校和本人姓名。中不得提及考生所在学校和本人姓名。From the picture,we From the picture,we can see can see that_that_2021/8/11 星期三3Unit 4 美文佳句美文佳句From the picture,we can see that pollution is From the picture,we can see tha
3、t pollution is posing a threat to our earth,which comes in many ways.posing a threat to our earth,which comes in many ways.Millions of chimneys of the factories are pouring heavy Millions of chimneys of the factories are pouring heavy smoke into air,which causes serious air pollution.smoke into air,
4、which causes serious air pollution.A A large amount of waste water from the factories pollutes large amount of waste water from the factories pollutes water,making our rivers fishless and our water unfit to water,making our rivers fishless and our water unfit to drink and swim in.drink and swim in.F
5、urthermore,a lot of trees have been Furthermore,a lot of trees have been cut down without proper plans,which contributes to the cut down without proper plans,which contributes to the soil being washed away.It seems that we really have no soil being washed away.It seems that we really have no clean p
6、lace to live in.clean place to live in.2021/8/11 星期三4Unit 4 美文佳句美文佳句The pollution is so serious that we have to find The pollution is so serious that we have to find effective solutions to it.As far as I am concerned,the effective solutions to it.As far as I am concerned,the government should make l
7、aws to reduce polluted air.Some government should make laws to reduce polluted air.Some measures should be taken to purify the water before it measures should be taken to purify the water before it is poured into the rivers or the seas.We should plant is poured into the rivers or the seas.We should
8、plant more trees to keep the soil in place.Whats more,more trees to keep the soil in place.Whats more,people should be further educated to realize the people should be further educated to realize the importance of environmental protection.Thus,we will importance of environmental protection.Thus,we w
9、ill have a clean and tidy environment.have a clean and tidy environment.2021/8/11 星期三5Unit 4 美文佳句美文佳句背佳句背佳句1 1From the picture,we can see that pollution is posing From the picture,we can see that pollution is posing a threat to our earth,which comes in many ways.a threat to our earth,which comes in
10、many ways.从图从图中我们可以看到,污染从方方面面构成了对我们地球的威胁。中我们可以看到,污染从方方面面构成了对我们地球的威胁。赏析赏析 该句是图画作文的万能开篇句,用现在进行时形象地该句是图画作文的万能开篇句,用现在进行时形象地描述了图画的内容,为了提高句子的表达档次,还使用了一描述了图画的内容,为了提高句子的表达档次,还使用了一个个whichwhich引导的非限制性定语从句。引导的非限制性定语从句。2021/8/11 星期三6Unit 4 美文佳句美文佳句2 2A large amount of waste water from the factories A large amou
11、nt of waste water from the factories pollutes water,making our rivers fishless and our pollutes water,making our rivers fishless and our water unfit to drink and swim in.water unfit to drink and swim in.工厂排出的大量废水污工厂排出的大量废水污染了水源,使我们的河流里没有了鱼,我们的水不能饮用也不染了水源,使我们的河流里没有了鱼,我们的水不能饮用也不能在里面游泳。能在里面游泳。赏析赏析 该句使用
12、了现在分词短语做结果状语,生动地描绘了污该句使用了现在分词短语做结果状语,生动地描绘了污染的严重后果。染的严重后果。3 3The pollution is so serious that we have to find The pollution is so serious that we have to find effective solutions to it.effective solutions to it.污染是如此严重,以致我们必须污染是如此严重,以致我们必须找到行之有效的解决方案。找到行之有效的解决方案。赏析赏析 该句使用了该句使用了“sothat”“sothat”结构,结构,
13、thatthat引导的是结果状语引导的是结果状语从句。从句。2021/8/11 星期三7Unit 4 美文佳句美文佳句4 4Whats more,people should be further educated to Whats more,people should be further educated to realize the importance of environmental protection.realize the importance of environmental protection.此外,应该进一步教育人们,使其意识到环境保护的重要性。此外,应该进一步教育人们,
14、使其意识到环境保护的重要性。赏析赏析 该句使用了含有情态动词的被动语态,使用了该句使用了含有情态动词的被动语态,使用了“educate sb.to do sth.”“educate sb.to do sth.”结构的被动语态。结构的被动语态。2021/8/11 星期三8Unit 4 课前热身课前热身课前热身.单词拼写单词拼写1 1What are the differences between the American and What are the differences between the American and British _(British _(制度制度)of the go
15、vernment?)of the government?2 2A number of gases forms the _(A number of gases forms the _(大气大气)3 3Her school report shows that she is weak at/in Her school report shows that she is weak at/in arithmetic and _(arithmetic and _(生物学生物学)4 4If you are in trouble,do you believe God e_If you are in troubl
16、e,do you believe God e_?5 5We should not only know the t_ but also how to We should not only know the t_ but also how to apply it in practice.apply it in practice.systemssystemsatmosphereatmospherebiologybiologyxistsxistsheoryheory2021/8/11 星期三9Unit 4 课前热身课前热身6 6He spent the whole afternoon _(He spe
17、nt the whole afternoon _(拔拔)weeds in)weeds in the garden.the garden.7._(7._(不同于不同于)his brother,he works hard and makes)his brother,he works hard and makes much progress.much progress.8 8There is a v_ wind outside and the snow is so There is a v_ wind outside and the snow is so heavy.heavy.9 9What _(
18、What _(使困惑使困惑)me most is why they doesnt show)me most is why they doesnt show up.up.1010It is h_ to your health to drink too much It is h_ to your health to drink too much alcohol.alcohol.pullingpullingUnlikeUnlikeiolentiolentpuzzlespuzzlesarmfularmful2021/8/11 星期三10Unit 4 课前热身课前热身.完成短语完成短语1 1下蛋下蛋 _
19、eggs _eggs2 2密切注视;当心;提防密切注视;当心;提防 watch _ watch _3 3既然既然 _that _that4 4产生;分娩产生;分娩 give _to give _to5 5及时;迟早及时;迟早 _ time _ time6 6阻止;制止阻止;制止 prevent _ prevent _7 7感到高兴、振奋感到高兴、振奋 cheer _ cheer _8 8突发;爆发突发;爆发 break _ break _laylayoutoutnownowbirthbirthininfromfromupupoutout2021/8/11 星期三11Unit 4 课前热身课前热
20、身.完成句子完成句子1 1谢天谢地,医生终于及时赶到了这里。谢天谢地,医生终于及时赶到了这里。Thank God.The doctor_.Thank God.The doctor_.2 2医生们正想方设法防止癌细胞扩散。医生们正想方设法防止癌细胞扩散。The doctors are making an The doctors are making an attempt_.attempt_.3 3很明显他昨天没有说实话。很明显他昨天没有说实话。_he didnt tell the truth yesterday._he didnt tell the truth yesterday.arrived
21、arrived herehere justjust inin timetimetoto preventprevent cancercancer cellscells fromfrom spreadingspreadingItIt waswas obviousobvious thatthat2021/8/11 星期三12Unit 4 课前热身课前热身4 4既然大家都到了,咱们开始上课吧。既然大家都到了,咱们开始上课吧。_,_,we can begin our class.we can begin our class.5 5这场雨使我们走远路很困难。这场雨使我们走远路很困难。The rain _l
22、ong The rain _long distances.distances.NowNow thatthat everyoneeveryone isis hereheremademade itit difficultdifficult forfor usus toto walkwalk2021/8/11 星期三13单词点睛Unit 4 单词点睛单词点睛1 1unlikeunlikeprepprep.不同;不像不同;不像 like like prepprep.像,如像,如 unlikely unlikely adjadj.不太可能的不太可能的 alike alike adjadj.相似的,同样的
23、相似的,同样的 something like something like 几分像几分像 Its like/unlike sb to do sth Its like/unlike sb to do sth 做某事实在像做某事实在像/不像某人不像某人2021/8/11 星期三14Unit 4 单词点睛单词点睛【温馨提示】【温馨提示】unlike unlike为介词,意为为介词,意为“与与不同,不像不同,不像”;而;而dislikedislike则为动则为动词,意为词,意为“不喜欢不喜欢”,通常用作及物动词。,通常用作及物动词。【活学活用】【活学活用】(1)(1)与约翰不同,汤姆不喜欢踢足球。与约
24、翰不同,汤姆不喜欢踢足球。_._.(2)(2)连招呼都不打这不像你。连招呼都不打这不像你。_._.UnlikeUnlike John,John,Tom Tom dislikesdislikes playingplaying footballfootballItIt s s unlikeunlike youyou notnot toto saysay hellohello2021/8/11 星期三15Unit 4 单词点睛单词点睛2 2existexistvivi.存在;生存存在;生存 exist on(exist on(live on)sthlive on)sth 靠某物生存靠某物生存 exi
25、stence existence n n.存在;实有存在;实有 come into existence come into existence 产生;存在产生;存在 in existence in existence 现存的;现有的现存的;现有的【活学活用】【活学活用】1 1同义句转换同义句转换(1)This new country came into being in 1951.(1)This new country came into being in 1951.This new country _in 1951.This new country _in 1951.camecame int
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