高中英语 Unit 4 Astronomy the science of the stars Period Two Integrating Skills课件 新人教版必修3.ppt

Period Two ——Learning about Language & Using Language课前预习￿￿￿￿基础落实课堂讲义￿￿￿￿核心突破当堂达标￿￿￿￿检测巩固栏目索引ⅠⅠ.单词检测单词检测1. n.生物学生物学 n.生物学家生物学家2. n.万有引力；重力万有引力；重力3. n.卫星；人造卫星卫星；人造卫星4. adj.温和的；文雅的温和的；文雅的5. n.物理学家物理学家 n.物理学物理学答案n￿词语识记￿课前预习￿￿￿￿基础落实biologybiologistgravitysatellitegentlephysicistphysics答案6. n.气候气候7. vi.&vt.碰撞；坠落碰撞；坠落8. n.宇宙飞船宇宙飞船9. n.&vt.拉拉(力力)；拖；牵引力；拖；牵引力10. vt.&vi.(使使)浮动；浮动；(使使)漂浮漂浮 n.漂浮物漂浮物climatecrashspaceshippullfloat答案ⅡⅡ.短语检测短语检测1. a result结果结果2.block 挡住挡住(光线光线)3.crash 撞击；撞入撞击；撞入4.cheer 感到高兴；感到振奋感到高兴；感到振奋5. That既然既然6.break 突发；爆发突发；爆发7.watch for密切注意；当心；提防密切注意；当心；提防asoutintoupnowoutoutⅠⅠ.阅读课文，匹配信息阅读课文，匹配信息1.Match the three ways in which gravity changed.(1)Left the earth( )　　　　A.It became very light.(2)In space( ) B.The gravity became verystrong.(3)On the moon( ) C.The gravity disappeared.n￿课文预读答案BCA2.Match the ways in which weight changed.(1)Left the earth( ) A.He is weightless.(2)In space( ) B.He weighs less than onthe earth. (3)On the moon( ) C.His weight is normal.答案CABⅡⅡ.阅读课文，判断正阅读课文，判断正(T)误误(F)1.It was because they were too far from the earth to feel its pull that they would not fall back to the earth when they were traveling in the spaceship.( )2.When they were on the moon，，they would not feel the gravity because there was no gravity on the moon.( )3.When they step forward on the moon，，they can be carried twice as far as on the earth.( )答案TFT答案ⅢⅢ.课文阅读理解课文阅读理解1.The passage is mainly about .A.an introduction of the moonB.the gravity that I felt on my way to the moonC.my visit to the moon123C答案2.From the text，，we know that the force of the gravity would change times.A.2 B.3 C.4答案　答案　B1233.You can jump on the moon than on the earth.A.higher B.slower C.lower123A答案ⅣⅣ.课文阅读填空课文阅读填空答案PeriodsDetailsOn leaving the earth’’s atmosphere• •With the rocket rising into the air，，we were 1. into our seats because of the strong 2. of the earth’’s gravity.• •The 3. lessened as we moved far away from the earth.• •When getting closer to the moon，，we felt pulled by 4. ，，but it was not as strong as the earth’’s.pushed back pullweightthe moon’s gravity答案While landing on the moon• •We weigh 5. than on the earth.• •While trying to step forward，，I found I was carried 6. as far as on the earth.• •It took a bit of 7. to walk on the moon.When leaving the moon• •Leaving the moon’’s gravity was less 8. than leaving the earth’’s.• •Returning to the earth was very 9. because fire broke out on the outside of the spaceship as the earth’’s gravity 10. .• •We were pushed hard into our seats again when we came back to land.lesstwicepracticepainfulfrighteningincreased返回crash[ [语境感悟语境感悟] ]￿课堂讲义￿￿￿￿核心突破n￿重点单词1(1)(教教材材P29)Other scientists believe that a comet crashed into the earth long ago and caused the disappearance.其他科学家认为很久以前一颗彗星撞到地球上，这导致了恐龙的灭绝。

其他科学家认为很久以前一颗彗星撞到地球上，这导致了恐龙的灭绝2)Her best friend was seriously hurt in a car crash.(2015·福建福建)她最好的朋友在一起撞车事故中严重受伤她最好的朋友在一起撞车事故中严重受伤3)The helicopter began to fly south in search of the crashed plane.直升机开始往南飞去寻找失事飞机直升机开始往南飞去寻找失事飞机[ [归纳拓展归纳拓展] ](1)crash vi.& vt.碰碰撞撞；；坠坠落落；；n.相相撞撞(事事故故)；；(飞飞机机的的) 坠坠毁毁；；撞撞击击声声；；爆裂声爆裂声crash into撞击；撞入撞击；撞入crash down朝下猛撞朝下猛撞(2)crashed adj.失事的，坠毁的失事的，坠毁的完成句子完成句子(1)汽车突然撞在一块大石头上并燃烧起来汽车突然撞在一块大石头上并燃烧起来The car a big stone and burst into flames.(2)许多旅客在这起火车相撞事故中丧生了许多旅客在这起火车相撞事故中丧生了。

A lot of passengers were killed .(3)大雨过后，岩石滚落到下面的公路上大雨过后，岩石滚落到下面的公路上After the heavy rain，，the rocks on to the road below.答案[ [即时跟踪即时跟踪] ]crashed intoin the train crashcrashed downclimate[ [语境感悟语境感悟] ]2(1)(教教材材P29)Since the last ice age，，the climate of the earth has not changed very much.自从上次的冰川时代以来，地球气候就没有太多变化自从上次的冰川时代以来，地球气候就没有太多变化2)It’’s a beautiful city with pleasant climate.这是个美丽的城市，气候宜人这是个美丽的城市，气候宜人3)The weather forecast is for probable showers.天气预报说可能有阵雨天气预报说可能有阵雨[ [易混辨析易混辨析] ]climate，，weather(1)climate n.气气候候，，指指的的是是从从较较长长时时间间范范围围来来看看，，某某地地区区的的有有规规律律性性的的天天气气情情况况，，包包括括干干旱旱、、湿湿润润、、温温度度、、凉凉爽爽等等；；可可以以用用不不定定冠冠词词修修饰饰，，如如：：a cold climate寒冷的气候。

寒冷的气候2)weather n.天天气气，，指指的的是是短短期期内内的的天天气气情情况况，，如如阴阴晴晴、、降降水水、、气气温温、、风力、风向等；不可用不定冠词修饰风力、风向等；不可用不定冠词修饰答案(1)选词填空　选词填空　[ [即时跟踪即时跟踪] ]climate，，weather①①Oats(燕麦燕麦) mainly grow in cool .②②He does not wear a coat in spite of the cool .climateweather(2)单句改错单句改错It is absurd to go out in such a terrible weather.pull[ [语境感悟语境感悟] ]3(1)(教教材材P30)As the rocket rose into the air，，we were pushed back into our seats because we were trying to escape the pull of the earth’’s gravity.随着火箭升空，由于我们在努力挣脱地球的引力，我们被向后推在座位上。

随着火箭升空，由于我们在努力挣脱地球的引力，我们被向后推在座位上2)I noticed that she pulled her son gently towards her.我注意到她把儿子轻轻地拉到身边我注意到她把儿子轻轻地拉到身边3)He pulled in at the side of the road.他驶向路边停了下来他驶向路边停了下来(4)Dad pulled out a pressure cooker and filled it up with cabbages，，eggplants，，potatoes，，corns，，onions and carrots.(2015·四川四川)爸爸爸爸拿拿出出一一个个高高压压锅锅，，在在里里面面装装满满了了卷卷心心菜菜、、茄茄子子、、土土豆豆、、玉玉米米、、洋洋葱和胡萝卜葱和胡萝卜[ [归纳拓展归纳拓展] ]pull n.& vt.拉拉( (力力) )；拖；牵引力；拖；牵引力pull down拆毁，拆掉拆毁，拆掉( (建筑物建筑物) )pull in进站停靠；驶向路边进站停靠；驶向路边( (或某处或某处) )停靠停靠pull off脱脱下下( (衣衣、、帽帽等等) )，，拿拿下下；；成成功功做做( (困困难难的的事事) )；；( (车车等等) )驶驶离离大大路路进进入入小路小路pull out拿出，取出；离站；拿出，取出；离站；( (使使) )摆脱困境摆脱困境pull through恢复健康；渡过难关恢复健康；渡过难关pull up( (使车使车) )停住，停下停住，停下[ [图解助记图解助记] ]答案(1)用适当的介、副词填空用适当的介、副词填空①①The train has already pulled ，，and the passengers are boarding it now.②②The old warehouse together with some other buildings has been pulled .③③He pulled at the entrance of the cinema.④④I sat down on the floor and pulled a few books the shelf at random.(2015·天津天津)(2)单句改错单句改错His injuries are severe but he’’s expected to pull down.[ [即时跟踪即时跟踪] ]indownoffup/inthroughblock outn￿重点短语1[ [语境感悟语境感悟] ](1)(教教材材P29)As a result of this event，，a great dust cloud formed in the sky blocking out the sunlight.由于这一事件，一团巨大的尘埃在空中形成，并阻挡了阳光。

由于这一事件，一团巨大的尘埃在空中形成，并阻挡了阳光2)The gas pipe has been blocked off to prevent escapes.煤气管道已被关闭，以防漏气煤气管道已被关闭，以防漏气3)Failure blocked his way to success.(2015·天津天津)失败阻挡了他走向成功失败阻挡了他走向成功[ [归纳拓展归纳拓展] ]block out挡住挡住( (光线光线) )block off( (用路障用路障) )封锁，堵住；阻挡封锁，堵住；阻挡block up塞住，封住塞住，封住( (孔；洞孔；洞) )block one’’s way挡住某人的去路挡住某人的去路完成句子完成句子(1)你的自行车挡了我的路，请你移开点好吗？你的自行车挡了我的路，请你移开点好吗？Your bike has ；；could you please move it away?(2)如果阳光被挡住，衣服晾干就会花费较长时间如果阳光被挡住，衣服晾干就会花费较长时间If the sunlight ,it will take more time for the clothes to dry.(3)我鼻塞了，透不过气来。

我鼻塞了，透不过气来My nose and I can hardly breathe.[ [即时跟踪即时跟踪] ]答案blocked my wayis blocked outis blocked up[ [语境感悟语境感悟] ](1)(教教材材P31)I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.我我立立刻刻感感到到很很高高兴兴，，由由于于失失重重我我在在太太空空舱舱里里飘飘来来飘飘去去，，我我望望着着(身身后后的的)地地球球越越来来越小，而越小，而(前方的前方的)月球越来越大月球越来越大2)I tried to cheer her up by telling her the good news.我把这个好消息告诉了她，想使她高兴起来我把这个好消息告诉了她，想使她高兴起来3)She did her best to cheer him on when he was about to give up.当他快要放弃时她尽全力鼓励他。

当他快要放弃时她尽全力鼓励他cheer up2[ [归纳拓展归纳拓展] ]cheer ( (sb.) )up ( (使某人使某人) )感到高兴感到高兴cheer sb.on为某人加油为某人加油[ [图解助记图解助记] ](1)用用cheer的正确形式填空的正确形式填空①①The news made the boy ，，which made his parents up，，too.②②The girl always wears a sweet smile on her face.(2)单句改错单句改错“Cheer！！ Congratulations on your success!”[ [即时跟踪即时跟踪] ]答案cheeringcheerfulcheerCheerscheerful [ [语境感悟语境感悟] ](1)(教教材材P31)We watched，，amazed as fire broke out on the outside of the spaceship as the earth’’s gravity increased.我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。

我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火2)Police were called in to break up the meeting.出动了警察将集会驱散出动了警察将集会驱散3)She broke in with some ideas of her own while we were chatting.我们聊天的时候，她插嘴说了一些自己的看法我们聊天的时候，她插嘴说了一些自己的看法break out3[ [归纳拓展归纳拓展] ]break out突发；爆发突发；爆发break up解散；打碎解散；打碎break away from...脱离脱离…………break down打破；出故障；打破；出故障；( (精神、身体精神、身体) )垮掉垮掉break in闯入闯入( (行窃行窃) )；插话；插话break into强行进入强行进入( (某处某处) )；突然开始；突然开始( (大笑、欢呼等大笑、欢呼等) )注注意意：：break out，，take place，，happen等等动动词词及及动动词词短短语语有有两两个个共共同同点点：：(1)终止性终止性——不用于进行时；不用于进行时；(2)不及物不及物——不用于被动语态。

不用于被动语态(1)完成句子完成句子 ①①他闯进我家偷了我的钱他闯进我家偷了我的钱He my house and stole my money.②②一旦你入了他们的伙，你就永远不能脱离他们一旦你入了他们的伙，你就永远不能脱离他们Once you join them，，you can never them.③③如果你继续像那样工作的话，你迟早会累垮的如果你继续像那样工作的话，你迟早会累垮的If you go on working like that，，you will sooner or later.[ [即时跟踪即时跟踪] ]答案broke intobreak away frombreak down(2)单句改错单句改错It was reported that a violent earthquake broke up in Japan.答案out[ [语境感悟语境感悟] ](1)We have to watch out for fast traffic along here.这里来往的车辆开得很快，我们必须小心这里来往的车辆开得很快，我们必须小心2)Watch out！！There is a car coming!注意！有辆车开过来了！注意！有辆车开过来了！(3)The lifeguard was keeping a watch on the children playing in the pool.救生员守望着在水池里玩耍的孩子们。

救生员守望着在水池里玩耍的孩子们watch out for4[ [归纳拓展归纳拓展] ]watch out ( (for) )小心，当心；提防；密切注意小心，当心；提防；密切注意watch over照看；看守照看；看守keep a watch on守望；注视守望；注视完成句子完成句子(1)他外出期间，我照管他的房子他外出期间，我照管他的房子I his house while he was out.(2)警告乘客当心小偷警告乘客当心小偷The passengers were warned to thieves.[ [即时跟踪即时跟踪] ]答案watched overwatch out for n￿经典句式[ [语境感悟语境感悟] ](1)(教教材材P31)When we get closer to the moon，，we shall feel its gravity pulling us，，but it will not be as strong a pull as the earth’’s.当当我我们们更更接接近近月月球球时时，，就就会会感感到到月月球球的的引引力力在在拉拉我我们们，，但但是是，，月月球球的的引引力力不像地球的引力那么大。

不像地球的引力那么大2)His bedroom is not as/so neat as his elder sister’’s.他的卧室没有他姐姐的整洁他的卧室没有他姐姐的整洁3)You’’ve made as many mistakes as I have.你犯的错误和我犯的一样多你犯的错误和我犯的一样多 ““as＋＋adj.＋＋a/an＋＋n.＋＋as...””结构结构1[ [归纳拓展归纳拓展] ]as＋＋adj.＋＋a/an＋＋n.＋＋as...像像……一样的一样的……as＋＋adj./adv.＋＋as...像像……一样一样……not so/as＋＋adj./adv.＋＋as...不如不如……那样那样……完成句子完成句子(1)他跟班上其他任何一个同学一样，是个勤奋的学生他跟班上其他任何一个同学一样，是个勤奋的学生He is anyone else in his class.(2)这本字典不如你想象的那样有用这本字典不如你想象的那样有用This dictionary is you think.(3)你的包和我的一样贵你的包和我的一样贵Your bag is mine.(4)她花掉的钱和你花掉的一样多。

她花掉的钱和你花掉的一样多She spent you.[ [即时跟踪即时跟踪] ]答案as hard­­working a student asnot as/so useful asas expensive asas much money as 倍数表达法倍数表达法[ [语境感悟语境感悟] ](1)(教教材材P31)But when I tried to step forward，，I found I was carried twice as far as on the earth and fell over.而而当当我我试试着着向向前前迈迈步步的的时时候候，，我我发发觉觉我我被被送送出出去去很很远远，，步步子子的的跨跨度度竟竟是是在在地球上的两倍，因而我摔倒了地球上的两倍，因而我摔倒了2)He can run twice as fast as you.他跑得是你跑得两倍快他跑得是你跑得两倍快3)The playground is three times what it used to be.操场是过去的操场是过去的3倍大2倍数的表达方式：倍数的表达方式：( (1) )倍数＋倍数＋as...as...( (2) )倍数＋比较级＋倍数＋比较级＋than...( (3) )倍数＋倍数＋the size/height/length/width...＋＋of...( (4) )倍数＋倍数＋what从句从句( (5) )倍数＋倍数＋that of...[ [归纳拓展归纳拓展] ](1)完成句子完成句子①①今年的产量是去年的两倍。

今年的产量是去年的两倍The production of this year is last year.②②地球的大小是月球的地球的大小是月球的49倍The earth is 49 the moon.[ [即时跟踪即时跟踪] ]答案twice that oftimes the size of(2)一句多译一句多译这把尺子是那把尺子的三倍长这把尺子是那把尺子的三倍长①①②②③③④④答案This ruler is three times as long as that one.This ruler is three times the length of that one.This ruler is three times that of that one.This ruler is twice longer than that one. now that引导原因状语从句引导原因状语从句 [ [语境感悟语境感悟] ](1)(教教材材P31)““Oh dear，，”” I cried，，““walking does need a bit of practice now that gravity has changed.””““天哪，天哪，””我大声说，我大声说，““重力改变了，看来走路也的确需要练一练了。

重力改变了，看来走路也的确需要练一练了2)Now (that) you have grown up，，you should not rely on your parents.既然你长大了，就不应该依靠你的父母了既然你长大了，就不应该依靠你的父母了3now that既既然然，，引引导导原原因因状状语语从从句句，，相相当当于于since在在口口语语中中that可可以以省去[ [归纳拓展归纳拓展] ]注注意意：：就就像像although/though不不能能与与but连连用用，，because不不能能与与so连连用用一一样样，，当当now that引导的从句表示原因时，主句前不能加引导的从句表示原因时，主句前不能加so[ [易混辨析易混辨析] ]now that，，because，，since，，as，，for(1)now that说明已经成为事实的原因，常意为说明已经成为事实的原因，常意为““既然既然””2)because语语气气最最强强，，常常用用于于回回答答why引引起起的的问问句句，，表表示示直直接接的的或或为为人人所不知的原因所不知的原因3)since表示间接附带的众所周知的原因，意为表示间接附带的众所周知的原因，意为““既然既然””，常放在句首。

常放在句首4)as表示一种明显的、已知的理由，意为表示一种明显的、已知的理由，意为““由于由于””5)for是是并并列列连连词词，，表表示示推推断断的的或或附附加加的的理理由由，，是是对对已已发发生生情情况况的的补补充说明，不表直接的原因，语气较弱充说明，不表直接的原因，语气较弱(1)完成句子完成句子①①既然天气那么好，我们去野餐吧既然天气那么好，我们去野餐吧 the weather is fine，，let’’s go for a picnic.②②——你为什么这么做？你为什么这么做？——因为这对我们所有人都有好处因为这对我们所有人都有好处—Why did you do this?— it is good for all of us.[ [即时跟踪即时跟踪] ]答案Now (that)Because(2)单句改错单句改错①①It must have rained last night because the ground is wet.②②Now that you are ready，，so we can go now.答案返回forⅠⅠ.单句语法填空单句语法填空1.““I’’m sorry to disturb you，，”” Webb said (gentle).2.As we all know，，Qian Xuesen is a famous (physics).3.This is something we have to watch out .4.It was naughty of you (pull) the cat’’s tail.5.We haven’’t seen each other she moved to Australia.答案￿￿当堂达标￿￿￿￿检测巩固ⅠⅠ ⅡⅡ ⅢⅢⅣⅣgentlyphysicistforto pullsinceⅡⅡ.选词填空选词填空答案now that，，break out，，cheer up，，block out，，crash into1.That wall all the light.2.! We nearly reached the top of the hill.3. everyone is here，，let’’s begin our meeting.4.The Anti­­Japanese War in 1937 and it lasted eight years.5.A train the back of another near the city，，killing dozens of people.ⅠⅠ ⅡⅡ ⅢⅢⅣⅣblocks outCheer upNow thatbroke out crashed intoⅢⅢ.完成完成/翻译句子翻译句子1.北京是我家乡的十倍大。

北京是我家乡的十倍大至少至少3种表达方式种表达方式)2.看过了她的生活状况，我们才知道为什么她需要那么多钱看过了她的生活状况，我们才知道为什么她需要那么多钱 we’’ve seen how she lives，，we know why she needs so much money.答案ⅠⅠ ⅡⅡ ⅢⅢⅣⅣBeijing is ten times as big as my hometown.Beijing is nine times bigger than my hometown.Beijing is ten times the size of my hometown.Beijing is ten times that of my hometown.Now that3.这是为什么我们会感到好像没有引力的原因这是为什么我们会感到好像没有引力的原因That’’s why we feel no gravity at all.4.那天一定有位天使在照顾着我那天一定有位天使在照顾着我There must have been an angel .5.教室里有不到教室里有不到20个学生。

个学生There were in the classroom.答案ⅠⅠ ⅡⅡ ⅢⅢⅣⅣas if/as though there werewatching over me that dayless than 20 studentsⅣⅣ.课文语法填空课文语法填空Last month，，Li Yanping and I made a trip to the moon 1. a spaceship.Li told me that the gravity force would change three times.First,2. we escaped the pull of the earth’’s gravity，，we were 3. (push) back into our seats.Closer to the moon，，there was 4. (little) gravity.I 5. (cheer) up immediately and floated 6. (weight) around in our spaceship cabin.On the moon，，my weight was less than on the earth.Walking 7. (do) need a bit of practice now that gravity had changed.ⅠⅠ ⅡⅡ ⅢⅢⅣⅣ答案inwhenpushedlesscheeredweightlesslydidAfter a while I got the hang 8. it and we began to enjoy 9. (our).But returning to the earth was very 10. (frighten).We watched，，amazed as fire broke out on the outside of the spaceship. ⅠⅠ ⅡⅡ ⅢⅢⅣⅣ答案返回ofourselvesfrightening。