英语必修 第三册Unit 3 The world of science课前预习课件ppt

这是一份英语必修 第三册Unit 3 The world of science课前预习课件ppt，共60页。PPT课件主要包含了自主素养储备，重要的，精确的，Along with，due to，even if，Neither of，Instead of，知识素养积淀，damaged等内容，欢迎下载使用。
Ⅰ. 新词相知 写出黑体单词在句中的含义1. I can qute yu several instances f being be rude. ( )2. He brught ut the significant aspects f the prblem. ()3. Hundreds f peple were injured when the train went ff the rails. ( )4. We have every reasn t believe it t be accurate. ()5. He has accepted the minr task f difficulty in thse tw tasks. ( )
Ⅱ. 短语熟记选词填空alng with, in rder t, instead f, neither f, cme up with, even if, due t1. __________the ging f year, this bk will be mre precius.  2. Accidents ______driving at high speed were very cmmn that weekend.  3. It wuld be t late, ______the weather cleared up.  
4. It tk mnths t ____________an acceptable plan fr the banks.  5. _________the tw bys has passed the gegraphy examinatin.  6. _________admitting his mistakes, he shifted the blame nt thers.  7. __________ensure success we must have a cmplete and thrugh plan.  
cme up with
Ⅲ. 课文浅触阅读课文, 完成下列习题。Answer the fllwing questins. 1. What did Franklin’s experiment want t prve? ___________________________________________________ 2. What can inspire thers frm Franklin’s experiment? ______________________________ 
He wanted t knw if lightning was prduced by electricity.
The spirit f scientific explratin.
1. injure vt. 使受伤, 弄伤【观察•悟】※This rugh life threatened t injure his health, but he didn’t mind. 这种艰苦生活看来要损害他的健康, 但他并不介意。※He harmed his eyes by reading in dim light. 在昏暗的光线下读书伤害了他的眼睛。※He damaged my car with a stne. 他用石头砸坏了我的汽车。※The bullet wunded his arm. 子弹打伤了他的一只胳膊。
【知识延伸】“伤害”辨析
【内化•用】选词填空(harm, injure, damage, wund, hurt)①Her heart was slightly ________as a result f the disease. ②They had their hearing _______by the lud nise f machines. ③His wrds ____my feelings. ④Several children were _______in the accident. ⑤He gt ________in the battle.
2. alng with 与……一道, 与……一起, 共同, 连同, 和; 作伴; 随着 ; (除……外)又……; 加之【观察•悟】※(2019·江苏高考) The musician alng with his band members has given ten perfrmances in the last three mnths. 在过去的三个月里, 这名音乐家与他的乐队成员已经完成了十场演出。
※An ambulance was racing alng with its sirens wailing. 救护车响着警报急驰而过。※Abut 31. 5 millin junir high schl students have resumed their studies, alng with 43. 84 millin students in elementary schls. 初中返校人数约3 150万人, 小学返校人数达到4 384万人。
【生成•得】alng with使用的是_____原则, 谓语动词与前面主语一致。
【知识延伸】采取就远原则的短语有: but, except, besides, including, like, with, as well as, as much as, n less than, in additin t, cmbined with, rather than, tgether with等。※Nbdy but tw students is in the classrm. 除了这两个学生, 没有人在教室。※Jhn, rather than his rmmates, is t blame. 约翰, 而不是他的室友, 应该受到责备。
【内化•用】语法填空①My father, n less than I, __(be)a baseball fan. ②Everybdy except yu __(be)dwn n me. ③Tbacc is taxed in mst cuntries, _____ ____ alchl. 在多数国家, 烟草和酒都要征税。④She came t dinner _____ ____ ___ _______. 她和朋友一道来用餐。
3. neither. . . nr. . . 既不……也不……【观察•悟】※She likes neither butter nr cheese. 她既不喜欢黄油也不喜欢乳酪。※He neither speaks French, nr understands it. 他既不会讲法语, 也听不懂法语。※Neither he nr yu are t blame. 既不要他负责也不要你负责。
【生成•得】neither. . . nr. . . 主要用于否定_____, 其意为“既不……也不……”, 用于连接两个_________的词或短语。当neither. . . nr. . . 连接两个主语时, 应遵循“_____原则”。
【知识延伸】连接两个并列成分, 遵循“就近原则”的词语还有: either. . . r. . . , nt. . . but. . . , whether. . . r. . . , nt nly. . . but als. . .
【内化•用】语法填空①Either my father r my brthers ___(be)cming. ②Nt nly the students but als the teacher ______(wish) fr a hliday. ③Neither yu nr I ___(be)a stranger here.
4. But scientists all agree that if Franklin had actually tuched the key, he wuld certainly have died frm the electric shck. 但科学家们都同意, 如果富兰克林真的碰了钥匙, 他肯定会死于电击。 
【观察•悟】该句是主从复合句, 主句为: scientists all agree; 宾语从句为: if Franklin had actually tuched the key, he wuld certainly have died frm the electric shck, 从句是if引导的一个虚拟条件句。※If he had cme here yesterday, he wuld have seen his ld friend. 假如他昨天来这儿的话, 就会看见他的老朋友。※If it had rained yesterday, we wuld have stayed at hme. 如果昨天下雨的话, 我们就会待在家里。
【生成•得】表示与过去事实相反的假设, 句型构成: 从句为过去完成时+主句为_____________ ______________。 
shuld(wuld)
【内化•用】①If I ____ ____ this article earlier, I ______ ___ _____ _____ this kind f mistake. 如果我早读过这篇文章, 我就不会犯这样的错误了。②If I _____ rich, I ______ ____ a big huse. 如果我有钱, 我将买一所大房子。③If it _____ __ rain tmrrw, the match ______ ___ ___ ___. 如果明天下雨, 比赛就会被推迟。
【备选要点】1. brilliant adj. 聪颖的, 才华横溢的【观察•悟】※He has gt brilliant achievements in the field f physics. 他在物理学方面已经取得了卓越的成就。※He was a jurnalist, a brilliant intellectual, and a Jew. 他是记者, 有才能的知识分子, 犹太人。
※Brilliant star is s beautiful. 　灿烂的星星真美呀。※If yu get a chance t see the shw, d g. It’s brilliant. 　如果你有机会去看那场演出, 一定要去, 它太棒了。
【内化•用】①The nvel is cnsidered __ ________ _____. 　这部小说被认为是杰出的佳作。②The turnament added __ ________ _____ t the annals f wrld table-tennis. 　这次比赛给世界乒乓球史增添了光辉的一页。③The stars seem brilliant n clear nights. 　译: _____________________
2. attach v. 系, 绑; 贴【观察•悟】※He attached his hrse t a tree. 他把马系在了树上。※(2019·江苏高考)Emma had never taken herself as a crane and becme deeply attached t humans. Emma没有将自己看作是一只鹤, 而是深深地依恋上了人类。
※The research unit is attached t the university. (话题典句)这个研究单位隶属于那所大学。※He is deeply attached t the ld camera. 他非常爱惜那个旧相机。
【生成•得】attach. . . __. . . 　　　　将……系在……上=fasten. . . t. . . =tie. . . t. . . be ________t 爱慕, 依恋; 隶属于
【内化•用】完成句子①Please ______these labels __yur hand luggages. 请把这些标签系在您的手提行李上。②China will nt ______ _____ __ any big pwer. 中国不依附任何大国。③He hpefully waited fr the advantages which wuld ______ __ ______. 他满怀希望地期待伴随财富而来的好处。
3. cme up with 提出, 想到; 赶上 同义词组: think f【观察•悟】※She came up with a new suggestin t slve the prblem as well. 她也提出了一种解决这个问题的新建议。※We have t cme up with the practical measures t prevent the air pllutin. 我们必须找到防止空气污染的切实可行的办法。
※I had t run t cme up with him. 我得跑才能赶上他。※The snwdrps are just beginning t cme up. 雪花莲刚刚开始长出地面。
【生成•得】cme up: __________, (表示被提出)它的主语是_____。 cme up with: 想出, 提出, 它的主语是___。
【内化•用】①It’s wnderful fr yu t _____ ___ ____ such a gd idea. 你能想出这么一个好主意真是太棒了! ②We watched the sun _____ ___. 我们观看了日出。③The scientists are beating their brains trying t cme up with a slutin t the prblem. 译: ______________________________________________
科学家正绞尽脑汁, 力求找到解决这个问题的办法。
4. In fact, mre than ne accunt suggests that while Newtn was certainly inspired by a falling apple, there is n prf that it hit him n the head.  事实上, 不止一种说法表明, 虽然牛顿确实是受到了一个苹果坠落的启发, 但没有证据表明它击中了牛顿的头部。
【观察•悟】该句是主从复合句, 主句: mre than ne accunt suggests; 宾语从句: while Newtn was certainly inspired by a falling apple, there is n prf that it hit him n the head; 从句中while引导让步状语从句, that it hit him n the head是同位语从句。※While I admit his gd pints, I can see his shrtcmings. 尽管我承认他的优点, 我还看到他的缺点。※There is n prf that genes actually affect intelligence. 没有证据证明基因确实影响智力。
【生成•得】(1)while除了引导时间状语从句, 还可以引导_____状语从句, 意为“__________”。(2)同位语从句中的that_______省略。
【内化•用】①______ ___ _____ __ _______, it is interesting. 尽管工作有难度, 但是很有趣。②S far _____ __ ___ _____ ____ spaceships frm ther planets d exist. 至今还没有证据证明, 确实有从其他行星来的宇宙飞船。
5. Peple have been mre inspired by Franklin’s spirit f scientific explratin than by the facts themselves. 富兰克林的科学探索精神比事实本身更能激励人们。
【观察•悟】句中用mre. . . than. . . 结构作前后比较。※Yu get mre tired when yu lift a heavy lad than a light ne. 挑重的东西比挑轻的东西累人。※I have cllected mre than 3 hundred stamps s far. 到目前为止, 我已收集了300多张邮票。※She is mre than a teacher t us. She is ur friend. 对我们而言, 她不只是教师, 还是我们的朋友。
※Yu have already repaid me mre than I have helped yu. 你回报我的已大大超过我对你的帮助。※The hurt and pain were mre than he culd stand. 他无法承受那些伤害和痛苦。
【生成•得】(1)mre. . . than. . . 中mre是much或many的_______, 修饰形容词、副词、介词、动词或名词, 相当于greater, in a greater degree, 表示“_________”。(2)mre than 后跟名词或动名词, 相当于ver, nt just, nt nly, 表示“__________________”等。(3)mre than 后跟数词, 相当于ver, 翻译成“_________”等, 强调某物数量上超出某一范围。
(4)mre than后跟动词、形容词、副词、或介词, 相当于very, much, nt nly, especially, 表示“_____________________”等。(5)mre than后跟_____, 相当于nt nly, ver等, 表示“不仅仅是、超过、难以, 简直不能……”等, 从句中常用can或culd。
【内化•用】①The emperr cares _____ ___ ____ ______ ____ fr anything else. 皇帝喜欢新衣服胜过其他任何东西。②_____ ____ ____ _____ has been translated int freign languages. 不止一本书被译成了外语版本。
③The teacher was _____ ____ _______ ____ what yu’ve said. 老师对你的回答非常满意。④Hw he manages t live is _____ ____ _ ____ ___. 他是如何生活的, 我猜不透。
Ⅰ. 根据语境和提示写出正确的单词1. We must take a scientific _________(途径) t the prblem. 2. Behind my back he has __________(建立)cntact with the enemy. 3. The experience f ________(科学的) planting is wrth ppularizing. 4. The sale department makes an ________(准确的) frecast f sale. 5. Einstein’s ______(理论) marked a new epch in histry. 6. He is living _____(证明)f the wnders f mdern medicine. 7. It was necessary t keep this ______(虚构的事) alive.
established
Ⅱ. 单句语法填空1. Mre than ne student ____(like) t play ftball after schl. 2. Neither dad nr brthers ___(be)at hme tday. 3. Neither f them ____(like) ftball. 4. Either yu r I ___(be) wrng. 5. The clerk attached a price tag __each article. 6. Mary, alng with her parents ___(have) been in Hainan fr a week and they will cme back sn.
Ⅲ. 完成句子1. She is _____ f a pet ____ he is. 她比他更有诗人气质。2. ______ __ ___ _____ ____ the wallet belngs t Mary. 没有证据表明钱包属于玛丽。3. The cmpany _____ ___ ____ a new, mre cmpact cmputer. 公司推出了一种新的更小型的电脑。
4. Yu ______ ___ _____ ______ nw if yu had taken my advice. 假若你当时听我的话, 你现在就会好多了。5. All utbund flights were canceled ____ __ ___ _________. 受飓风影响, 所有出港航班都被取消了。
写一个实验报告(Writing an experiment reprt)【写作指导】【话题阐释】　　实验报告是学生日常学习和考试经常碰到的话题之一。【文体概述】　　实验报告是对某实验的目的、步骤、现象、结论等进行论述的报告。
【框架构建】Aim: T find ut ______(实验目的) Apparatus: ______ (实验用品) Here are the steps f the experiment. Steps: (实验步骤)1. Put ______in/n ______.  2. Put ______filled with ______and then put ______int ______.  3. Observe ______when ______, and make a nte f it.  4. Observe ______in/n ______while ______.  
【典题示例】 请根据下面的内容提示, 用英语写一篇物理实验报告。实验目的: 证明冰融化过程中温度不变实验用品: 冰块, 大小烧杯, 温度计, 热水
实验步骤: 1. 在一个大烧杯中倒入热水; 2. 把装有冰块的小烧杯置入热水中, 在冰块中插入温度计; 3. 观察冰块的温度变化, 注意冰融化开始时的温度; 4. 观察冰融化过程中的温度变化。
实验结果: 冰全部融化为水的过程中温度不变。实验结论: 冰在零摄氏度时才开始融化, 融化过程中温度不变。注意: 1. 词数: 100左右; 2. 可适当增加细节, 以使行文连贯。参考词汇: 烧杯beaker; 温度计thermmeter; 观察bserve
Step 1　谋篇立意
Step 2　语言支架1. 了解冰融化成水时温度是否变化。①find ___　　　　找到, 发现②melt int_______③用whether引导的从句作_____
翻译句子: __________________________________________________________________ 
T find ut whether the temperature changes while ice is melting int water.
2. 在一个大烧杯里放些热水。将盛满冰块的小烧杯放入热水中, 然后将温度计放入冰块中。①__a big beaker　　　　　　　在大烧杯里②be filled with_____③__________把……放入④补全句子Put sme ht water in a big beaker. Put a small beaker _________ice int the ht water and then ___a thermmeter ____the ice.  
put. . . int
filled with
3. 当冰开始融化时, 观察冰的温度, 并做好记录。观察冰融化时的温度变化。①_______the ice temperature观察冰的温度②make ______f做记录 ③用when和while引导的状语从句完成句子Observe the ice temperature _______________________, and _____________it. Observe the changes __________________________it’s melting.  
when the ice begins t melt
make a nte f
in the ice’s temperature while
4. 所有的冰都已融化成水, 温度保持不变。①_______the same　　　　　　保持不变②________water融化成水 ③连词成句: All ice ______________water and the temperature remains the same.  
has melted int
5. 冰在零摄氏度开始融化, 温度不会改变直到全部融化。①_______d　　　　　　　　　　开始做 ②用nt. . . until. . . 补全句子Ice ____________when it is 0℃ and the temperature __________________it melts cmpletely.  
begins t melt
desn’t change until
Step 3　润色组篇Aim: T find ut whether the temperature changes while ice is melting int water. Apparatus: ice, ht water, big beaker, small beaker, thermmeter
Steps: 1. Put sme ht water in a big beaker. 2. Put a small beaker filled with ice int the ht water and then put a thermmeter int the ice. 3. Observe the ice temperature when the ice begins t melt, and make a nte f it. 4. Observe the changes in the ice’s temperature while it’s melting. Result: All ice has melted int water and the temperature remains the same. Cnclusin: Ice begins t melt when it is 0℃ and the temperature desn’t change until it melts cmpletely.
【善积累•获新知】　　　　　　★话题词汇识记1. gunpwder　　　　　火药2. papermaking造纸术3. printing印刷术4. cmpass指南针5. invent发明6. virtual虚拟的7. wearable可穿戴的
8. flexible易弯曲的9. research研究10. experiment试验11. smartphne智能手机12. cnduct传导(电)13. scientific科学的14. science and technlgy科学技术15. 3D printers3D打印机
16. new energy vehicles新能源汽车17. Artificial Intelligence (AI)人工智能18. Unmanned Aerial Vehicle(UAV)无人机19. high speed railway高铁20. 5G netwrk5G网络
★话题好句背诵1. Belw is a descriptin f a simple scientific experiment. 以下是一个简单的科学实验的描述。2. Here are the steps f the experiment. 下面是实验的步骤。3. When all these things are ready, yu can begin the experiment. 当所有的事情都就绪后, 你就可以开始做实验了。
4. The purpse f the experiment is t bserve the change f water when heated. 实验的目的是观察水在加热过程中的变化。5. T carry ut the experiment, yu need the fllwing things. 为了进行这项实验, 你需要以下用品。
Tpic: Hw t create a special dayⅠ. Wrk in grups and think f the change f ur life ver the next years.
Ⅱ. Cmplete the fllwing speech As time ges by, there are ging t be big changes in ur everyday life. Fr example, when _____________, we dn’t need t ______________. Just take sme ____, and everything will be OK. When we are ____, we can _______________________. It will be very ______, just like ___________nw. And f curse, if we want t see ______________________, just travel dwn there _______________________. Maybe there will be a lt f _______________living there. I think it’ll be very ____________anywhere, nt nly ___________, but als ________________________.  
we are hungry
ck in a hurry
g anywhere by
taking a taxi
what is like under the sea
in a flying bject like
cities and peple
easy t travel
in space and in the deep