高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists优质课件ppt

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists优质课件ppt，共60页。PPT课件主要包含了核心词汇，题组练·领悟方法，cast，back，be cast，down，cast back，cast down，shade，shadows等内容，欢迎下载使用。
教材原句p.6 Yu stand in frnt f a white light，and it casts different shadws f yu... 你站在一盏白色的灯前面，它投下你不同的影子……
1 cast vt. & n.（1）vt.（cast，cast）投射（光、影子等）；向……投以（视线、笑容等）；投掷 搭配 cast a shadw ver/n sth. 给……蒙上阴影be cast dwn（by sth.）（因某事）沮丧，不愉快He didn’t want t cast a shadw n their happiness. 他不想给他们的幸福蒙上阴影。He was cast dwn by the failure f the plan. 计划的失败使他沮丧。
She cast him a welcming smile. 她向他投以微笑以示欢迎。 The fisherman cast his net int the water. 渔夫把网撒到水中。 （2）n. 投，掷，抛（钓线）；（一出戏剧或一部电影的）全体演员He made a cast with a fishing line. 他抛下了鱼线。 The play succeeded thanks t the wnderful perfrmance f all the cast. 由于全体演员的精彩表演，这部戏获得了成功。［词汇复现］
单句语法填空(1) The mn _______（cast） bright light ver the garden when I saw thrugh the windw.(2) Yu may remember if yu cast _______fr a few days.(3)Anyne wuld __________（cast） dwn by such news as that.(4)Sylvia’s been cast _______ever since her mther became s ill.完成句子(5) Hw many times did he _____________（撒网）every mrning?(6)He ___________（回想） t his childhd frm time t time.(7)The thief ___________（扔下）the wallet and ran away at the sight f the judge.
cast his net
2 shadw n. 阴影；影子；背光处S dark are the shadws that a man standing there culd nt be seen.阴影很暗，人站在里面不会被看见。The tree casts a shadw n the grund.树的影子映在地上。He walked alng in the shadws hping n ne wuld recgnize him.他走在暗处，希望没有人认出他来。【词语辨析】shadw 与 shade（1）shadw 指某物在光线的照射下映在墙上、地上等处的阴影。（2）shade 表示光线照不到的地方或阴凉处。This plant grws best in the shade.这种植物在阴凉处长得最好。
完成句子(1) Her face was _________________（被暗影所遮掩）.(2) Nthing wuld grw __________________（在……的阴影里） the grey wall.辨析填空：shadw，shade(3)In frnt f ur huse stands a tall tree，which prvides _________ fr us in summer.(4)The children were having fun，chasing each ther’s ___________.
in deep shadw
in the shadw f
教材原句p.7A nn-Newtnian fluid is strange because yu can pur it like a liquid... 非牛顿流体很奇怪，因为你可以把它像液体一样倒出来……
3 pur vt. 倒出；倾泻；斟（饮料） vi.（雨）倾盆而下，下大雨 pur in 使流入，使灌入 pur int 不断地（大量地）流进（涌进）；大量投入（金钱）于 pur sth. int... 把某物倒进…… 搭配 pur cld water n/ver... 对……泼冷水 pur dwn 流下；（雨）倾盆而下 pur cats and dgs 下瓢泼大雨/ 倾盆大雨 pur ut 涌出；倒出；倾诉Wuld yu like me t pur yu sme mre wine?我再给你斟点酒好吗？
It never rains but it purs.（谚）不鸣则已，一鸣惊人。 Messages pured in with ffers f supprt. 支援信纷至沓来。 The crwd suddenly pured int the stre. 人群突然涌进商店。 Dn’t pur cld water n/ver my plan. 别对我的计划泼冷水。 He was s wrried that sweat began t pur dwn his face. 他很担心，汗水开始沿着他的面颊流淌下来。
单句语法填空(1)I pured the milk frm the bttle ___________the cups.(2) After the cnference the peple pured ___________in crwds.(3)We were sailing n the sea when it suddenly pured ___________.(4) He pured ___________all his pwer but culdn’t make it.完成句子(5)The gvernment ________________________________（投入大笔资金） the prject.(6)We tk shelter frm the rain that was ________________（倾盆而下） in a bus stp.(7) The chimney ____________________________（冒出滚滚黑烟）.
pured a large sum f mney int
pured ut black smke
教材原句 the Snghu Battle brke ut in 1932，Qian made the decisin t switch his majr t aviatin... ……1932 年淞沪抗战爆发后，钱学森……决定改学航空专业。
4 break ut （战争、打斗等不愉快的事情）突然开始；爆发The cuple culdn’t cnvince each ther. Then a quarrel brke ut. 这对夫妻不能说服对方，于是发生了争吵。［词汇复现］ 【学法点拨】break ut，happen，ccur，take place 等动词（短语）表示“发生”，是不及物动词用法，没有被动语态。
【归纳拓展】break dwn 出故障；垮掉；失败 break int 强行闯入break in（强行进入）打断，搅扰 break thrugh 突破break up（团体）解散；（关系）破裂break away 突然挣脱；与……决裂Our car brke dwn and we had t draw it t a garage.我们的车坏了，不得不把它拖到修车厂去。Never break in while thers are talking.别人说话的时候你千万不要插嘴。It was mney truble that brke up their marriage.他们因钱的问题婚姻才破裂的。
单句语法填空(1)The fire brke _______during the day，and therefre almst n ne was injured.(2) His car brke ________n the way this afternn when he headed t the hspital.(3) The Unin was made up f several cuntries at first，which brke _______frm it later because f cnflicts.(4) We dn’t knw the reasn why they have brken _______with each ther.
完成句子(5) The Secnd Wrld War ___________（爆发） in September 1939.(6)We had t ___________（破门而入） the huse as we had lst the key.(7)Dn’t _________（打断）when he is telling the stry.(8) Peace talks ____________（失败） in the Middle East.
教材原句 needed its wn pwerful air frce t prtect and defend the cuntry. ……中国需要拥有自己强大的空军来保卫国家。
5 defend vt. 保卫；防守；辩解搭配（ding）... 保护……免受……defend neself against sth. 保护自己不受……；为自己辩护We must defend ur mtherland frm the enemy.我们必须保卫祖国防御进犯之敌。The dam was built t defend the rad frm being washed away by the sea. 建筑这座堤坝是为了保护公路不被海水冲垮。
They tried t defend themselves against the enemy with all their might. 他们竭尽全力抵御敌人。Students shuld be ready t explain and defend their views.学生应该准备好为自己的观点作解释和辩护。 【词语积累】defence/defense n. 防御；辩护；保卫defensive adj. 防御性的；自我保护的
单句语法填空(1) The frt cannt be defended ______________an air attack.(2)Like their children，parents are ften ___________ （defend）abut their private lives.(3) The drunken man in wrn-ut clthes made a gesture in __________（defend）.完成句子(4) All the plicemen have been trained t______________________________（保护他们自己免受）the sudden attacks.(5) Our duty is t ___________________________________________（保卫国家不受）its enemies.　
against / frm
defend themselves against/frm
defend ur cuntry/ mtherland frm/against
教材原句p.8 put in charge f nt nly develping China’s rcket science... 他……受命发展中国的火箭科学……
6 in charge f 主管；掌管I’ll be in charge f the whle gallery next week when the directr is away. 下周主任不在时，我将负责整个画廊。【学法点拨】 人 + in charge f + 事 事 + in the charge f + 人Mr. Green is in charge f the clumn f the newspaper.格林先生负责这家报纸的专栏。The clumn f the newspaper is in the charge f Mr. Green.报纸的专栏由格林先生负责。
【归纳拓展】（1）take charge f 主管；负责free f charge 免费（=fr free）in/under the charge f 由……负责 / 掌管The department was badly rganized until she tk charge f it.这个部门在她负责以前组织工作做得很差。Ging t public cncerts is ften free f charge.欣赏公开的音乐会通常都是免费的。
（2）charge sb. fr sth. 因某事 / 某物向某人收费charge sb. with sth. /ding sth. 指控某人（做）某事The theme park which appeals t kids charges t much fr admissin.那个吸引孩子们的主题公园门票太贵了。They charged him with murder. 他们指控他谋杀。 【一言辨异】The man in charge f/taking charge f the activity said that the tickets were free f charge. In ther wrds，they wuldn’t charge us fr the tickets. 负责这一活动的那名男子说这些票是免费的，也就是说，他们不会向我们要票钱。
单句语法填空(1) Culd I speak t whever is ______charge f Internatinal Sales，please?(2) The kitchen is in _______charge f the ck.(3) Yu can take as many as yu like，because they are free _____charge.(4) The bss charged us five hundred yuan_______the electrical appliance.(5) He was charged ________murder and sentenced t death.
完成句子(6)Mr. Wang will be ______________（负责）the ffice while I am away.(7)Thankfully，thse residents prvided accmmdatins fr the hmeless ____________________（免费）.(8) The new ambassadr will _________________（负责） all the affairs cncerning this incident.(9) The plice are ging t _________________（控告他）murder.(10) Smehw they didn’t _________________（因……向我们收费）delivery this time.(11)The prgramme is __________________（由……负责）Mr. Zhang.
in charge f
free f charge
take charge f
charge him with
charge us fr
in the charge f
教材原句p.8 Because much f the technlgy behind the Shenzhu rckets can als be traced back t Qian’s research... 由于“神舟”系列飞船的大部分技术也可追根溯源到钱学森的研究……
7 trace vt. & n.（1）vt. 追溯；追踪；查出搭配trace back t 追溯到…… 追查……到…… His fear f dgs traces back t a childhd experience.他对狗的恐惧可追溯到他童年时的一次经历。Will the plice be able t trace them t their hiding place?警察能查出他们的藏身之处吗？
（2）n. ［C］痕迹；［U］遗迹；踪迹The burglar had left several traces f his presence.窃贼在现场留下了几处痕迹。Little trace is left f hw Stne Age peple lived.石器时代人类的生活几乎无迹可寻。We have lst all trace f the plitician.我们找不到那个政治家的踪迹。
单句语法填空(1)At last the nise was traced _______a fault in the pipes.(2) His father claims t be able t trace the family back ______many centuries ag.(3) These qutatins cannt readily___________（trace） t their surces.(4)________（trace） f bld were fund in the bathrm.完成句子(5)We ___________________________（追 溯 这条河的源头）.(6)His family _____________（追溯到） the Nrman Cnquest.
traced the river t its surce
traces back t
教材原句p.8 Stephen Hawking was ne f the mst famus and gifted scientists in physics. 史蒂芬·霍金是物理学界最负盛名、最具天赋的科学家之一。
8 gifted adj. 有天赋的；有天才的；天资聪慧的搭配：be gifted with 有……天赋，生就……a gifted dancer/musician 天才舞蹈演员／音乐家meet the needs f gifted children 满足特长生的发展要求He is gifted with the ability t understand a diverse range f peple and their cultures.他天生就有能力理解各种各样的人和他们的文化。
The gifted architect designed ne splendid building after anther.这位天才的建筑师设计了一座又一座辉煌的建筑物。【学法点拨】talented 与 gifted 均可表示“有才华的，天才的”。名词 gift/talent 对应的短语 have a gift/talent fr 表示“对……有天赋”。Mst f the best lawyers and salespeple really have a gift fr persuasin. 大多数出色的律师和推销员都有劝说他人的天分。
单句语法填空(1)Man is the nly creature that is gifted _______speech.(2) English skills can nly be imprved when ne makes use f the language，but many peple are nt ________（gift） with that pprtunity.(3)I believe my father is a _________（talent）man.完成句子(4) Yur cking is amazing and yu really_______________（在……方面有天赋） fd.(5)Each persn is special and ______________（天生有） unique talents.
have a gift fr
is gifted with
教材原句p.8Since he came dwn with a disease which caused him t lse the use f mst f his muscles，his wrld became ne f abstract thught. 他因患病致使其大部分肌肉萎缩无力，他的世界变成了一个抽象思维的世界。
9 cme dwn with 患（病）；染上（小病）He came dwn with a bad cld last week. 上星期，他得了重感冒。I think I’m cming dwn with flu. 我想我染上流感了。【归纳拓展】cme dwn 落下,降落;（价格、水平）下降,降低;（狂喜之后）平静下来cme acrss 偶遇；无意中发现cme abut 发生（常与 hw 连用）cme n 快点儿；加油；得了吧cme up with 想出，想到cme ut 出来；出版；被人所知cme t 共计；达到；苏醒cme ver 来访，拜访
The plane came dwn safely despite the mist.尽管有薄雾，飞机还是安全着陆了。The whle weekend was s wnderful I haven’t cme dwn yet.整个周末过得这么精彩，我到现在还没有平静下来。I came acrss a bird’s nest beside the rad. 我在路边发现一个鸟窝。Why is it that yu’ve cme ut against the prpsal he put frward?为什么你要反对他提出的建议呢？Ask the waiter what ur bill cmes t.问问侍者我们一共应付多少钱。
单句语法填空(1)I watched the archaelgists cme ___________int the valley.(2)Is this yur necklace，Mary? I came ___________it when I was cleaning the bathrm this mrning.(3)I hpe yu can cme up ___________a better plan than this.(4) He came ___________frm France last week，just t see us.
完成句子(5) Sales in ur cmpany ___________（下降） due t the utbreak f the terrible disease.(6)I ___________________（偶然碰到了玛丽） while shpping dwntwn yesterday.(7) It’s already 10 ’clck. I wnder hw it_______________（发 生） that she is tw hurs late n such a shrt trip.(8)When the father’s business failed，the family____________（败落）.(9)In a few mments she suddenly __________（苏醒过来）.
came acrss Mary
10 abstract adj. & n.（1）adj. 抽象的；理性的We may talk f beautiful things，but beauty itself is abstract.我们可能谈论美的事物，但是美本身却是抽象的。The atmic thery f matter is s abstract that it can be fully understd nly by a small number f students. 物质的原子理论是如此抽象，只有少数学生才能完全理解。
（2）n.（文献等的）摘要搭配in the abstract 抽象地；在理论上make an abstract f 把……的要点摘录下来Instead f just cnsidering this questin in the abstract，let’s fcus n ne particular example. 不要只是抽象地考虑这个问题，让我们集中到一个特殊的例子上去。He read thrugh the papers and made an abstract f their cntents.他把那些论文都读了一遍并做了内容摘要。The whle text f the abstract shall cntain nt mre than 300 Chinese characters. 全文的摘要部分不得超过 300 个字。
单句语法填空(1) I like dgs _______the abstract，but I can’t bear this ne.(2) Yu shuld make ________abstract f what the prfessr says.英汉互译(3)“美”和“真理”是抽象的概念。_______________________________________________(4) 他的计划太不具体，无法付诸实施。_______________________________________________(5)I’m just talking the abstract nw._______________________________________________
“Beauty” and“truth” are abstract ideas.
His plans were t abstract t be put int peratin.
我现在只是在泛泛而谈。
教材原句p.8The first was the steady state thery，which hlds that the universe has n beginning r end. 第一个是稳恒态理论，认为宇宙无始无终。
11 steady adj. 稳定的；平稳的；稳步的The agreement ensured a steady supply f il.该协定保证了石油的稳定供给。He is a steady yung man. 他是一个稳重的年轻人。There is a steady increase in the number f exchange students.交换生的人数在稳步增加。【词语积累】steadily adv. 稳定地；稳固地；逐步地
单句语法填空(1)He prefers _____steady life.(2)Relax as much as pssible and keep breathing___________（steady）.完成句子(3)The exprts _____________________（正稳步增长） year by year.(4)She has _______________（稳定的收入）.
are steadily increasing
a steady incme
教材原句p.9Besides being brilliant，he was brave，thugh smetimes careless in what he said r did. 除了才华横溢之外，他还是一个勇敢的人，尽管有时候言行举止比较随意。
12 besides prep. & adv.（1）prep. 除……之外（还）He had ther peple t take care f besides me.除了我以外，他还需要照料其他人。（2）adv. 而且；此外I dn’t like this suvenir. Besides，it csts t much.我不喜欢这个纪念品。而且，它太贵了。【学法点拨】表示“此外”的词或短语还有 furthermre，in additin 等。
单句语法填空(1)Bicycling is gd exercise；__________，it des nt pllute the air.(2) —Hw abut yur jurney t Munt Emei? — Everything was wnderful except ______ur car brke dwn twice n the way.(3) His perfrmance was very gd except ______a small fault.(4)Apart ______sme spelling mistakes，the cmpsitin is fairly gd.
辨析填空：besides, except, except fr, except that, apart frm, but(5)There were fur mre bttles f beer ___________________the tw he gave us.(6)___________，the sweater is made f pure wl，very sft.(7)We wrk every day ___________Sunday.(8)The weather was gd ___________an ccasinal shwer.(9)I knw nthing abut him ___________he lives next dr.(10)I’ve finished all my hmewrk __________________the last questin.(11)I have nthing t d ______wait.
besides/apart frm
except that
apart frm/except
教材原句p.9Abve all，Hawking was willing t admit his faults. 最重要的是，霍金敢于承认错误。
13 abve all 最重要的是；尤其是We g t schl abve all t learn hw t learn，s that when we have left schl，we can cntinue t learn. 我们上学最重要的是学会如何学习，这样，当我们离开学校时，我们就能继续学习。Never waste anything，and abve all never waste time.任何东西都不要浪费，尤其是时间。
【归纳拓展】all 相关的其他常见短语：after all 终究，还是；毕竟，别忘了（nt）at all 一点也（不），完全（不）all in all 总的来说，总而言之in all 总共，合计 first f all 首先，第一Dn’t get discuraged by setbacks. We are new t the wrk after all.别因挫折而灰心，这工作对我们来说毕竟还是陌生的。All in all，the display has been a great success.总的来说，表演非常成功。
单句语法填空(1) The girl was anxius and began t tremble. ________all，it was the first time that she had been n the stage.(2) All _____all，wrking tgether is beneficial t bth sides.(3)That htel desn’t rate five stars ______all.(4) T make members f a team perfrm better，the trainer first ______ all has t knw their strengths and weaknesses.
完成句子(5)___________（总而言之），what yu had dne did anny him greatly.(6)He visited，________（总共），fifteen galleries in China.(7)___________（最重要的是），yu shuld knw what prfessin suits yu.
14 fault n. 弱点；过错搭配find fault with 挑剔；批评；抱怨at fault 有错；有责任He always finds fault with Tm’s cmpsitin.他总是挑汤姆作文的毛病。In my pinin，bth f the drivers were at fault.在我看来，两位司机都有责任。His greatest fault is that he talks t much.他最大的缺点是说得太多。With all his faults，he was still a gd teacher.尽管有缺点，他仍不失为一名好老师。
单句语法填空(1)The mre experienced yu are，the easier it is t find fault ___________ther peple’s ideas.(2) If my memry is nt ___________fault，it was Thursday.(3) He has many ___________（fault），but cruelty is nt ne f them.完成句子(4)It is very easy t ________________（批评） the wrk f thers.(5) Aplgise even if yu dn’t feel yu’re directly __________（有错）.
find fault with
辨析填空：fault，errr，mistake(6) Regardless f hw ften I crrect him，he always makes the same ___________.(7) Be aware f hw ften yu cmplain r find ______ with thers.(8) He verlked a spelling _______n the first page.
教材原句p.9 Qian changed his majr because f a shift in persnal interest. 钱学森因为个人兴趣的转变而改了专业。
15 shift n. & v.（1）n. 改变；转换；轮班A sudden shift in the wind warned f the cming strm.风向的突然改变预示暴风雨来临。They were taking turns t be n the night shift. 他们轮流上夜班。（2）vi. & vt. 转移；挪动；转向shift abut 四处飘荡搭配shift ff（将……）从……移走；推卸，逃避shift t 使移向，使转向
They shifted abut fr several years. 他们四处飘荡了好几年。The rain shifted dust ff the street. 雨把街上的尘土冲走了。They deliberately shifted ff the argument. 他们故意回避这个论点。He shifted his luggage up t his flat. 他把行李搬到他的公寓里去。Smene has shifted my bicycle and I can’t find it.有人挪动了我的自行车，我找不到了。
写出句中 shift 的词性及词义(1) After the guard recvered frm his injury，he went n the night shift again. ___________　(2)Lend me a hand t shift this bx，will yu? ___________　　(3)I began t shift my fcus. ___________　　(4) This accident caused a dramatic shift in public pinin. __________　　单句语法填空(5)The day shift ________（arrive） at eight ’clck.(6)When the wind shifted frm suth ______nrth，it began t get cld.(7) The luggage might shift ______in the verhead bin during the flight.
教材原句p.10They must have a vivid imaginatin and a strng intuitin... 他们必须有生动的想象力和强烈的直觉……
16 vivid adj. 生动的；鲜明的；丰富的The wrd is added t give vivider descriptin.增加这个词会使其描写更加生动。The painter displayed the scene t the audience with vivid clrs.画家用鲜明的色彩向观众展示了这个场景。I have a very vivid picture f the first time I met Erik.我对我第一次见到埃里克的情景记忆犹新。My daughter is a child with vivid imaginatin.我女儿是一个有丰富想象力的孩子。【词语积累】 vividly adv. 生动地；逼真地；鲜明地
单句语法填空(1) The characters in the bk are ________（vivid） presented.(2) The prgram aims t teach girls hw t make eyes ________（vivid），bigger and mre beautiful.完成句子(3)The dream was _____________（如此逼真）he felt himself t be awake.(4)Clare was _______________________（最活跃的成员）f the family.
s vivid that
the mst vivid member
教材原句p.8 develped the Dngfeng missiles fllwed by the first generatin f Lng March rckets. ……中国研制出了“东风”导弹，紧接着又研制出第一代“长征”系列火箭。
过去分词（短语）作定语（1）单个的过去分词作定语时，常放在被修饰词之前；过去分词短语作定语时，常放在被修饰词之后。It is nt healthy t eat canned fd.吃罐装食品不健康。The prblem mentined at the cnference needs cnsidering.会上提到的问题需要考虑。
（2）及物动词的过去分词作定语，表示被动和完成；不及物动词的过去分词作定语没有被动意义，只表示完成。His father nce was a respected astrnaut.他的父亲曾是一位受人尊敬的宇航员。The gardener began t pile up the fallen leaves.园丁开始把落叶堆起来。
【误区警示】某些表示人的情绪变化的动词，其过去分词作定语，表示人的某种心情、感受或者表情等，意为“……的”，这些动词的过去分词往往已经成为一个形容词了。The embarrassed father std there saying nthing.尴尬的父亲站在那里一言不发。（3）过去分词（短语）作定语时，相当于一个定语从句。The wrks shwn at the exhibitin are priceless.=The wrks which/that were shwn at the exhibitin are priceless.展览会上展出的作品是无价之宝。
【学法点拨】(1) 个别单词的过去分词，如 shwn，adpted，left，given，invlved，wanted，gained，cncerned 等也可作后置定语。He planned t use the mney left t buy a secnd-hand mtrbike.他打算用剩下的钱买一辆二手摩托车。(2) 过去分词修饰 smething，everything，anything，nthing，nbdy等不定代词或指示代词 thse 时，要放在这些词的后面。If yu have smething wanted，I will buy it fr yu.如果你需要什么东西，我可以买给你。
单句语法填空(1)The experience _________（gain） thrugh this jurney will help me get ver difficulties in life in the future.(2)There is a ___________（satisfy） expressin n her face. Clearly，the emplyee left a gd impressin n her.(3) Our teacher asked us t use the wrds________（give） t make up sentences.(4) Is there anything ___________（plan） fr tnight?(5)The ___________（disappint） wman cvered her face with her hands and began t weep.(6)T return t the prblem f water pllutin，I’d like yu t lk at a study ___________（cnduct） in Australia in 2012.
disappinted
(7)Amie Salmn，disabled，is attended thrughut her schl days by a nurse ___________（appint） t guard her.完成句子(8)Le hid _______________（破碎的花瓶） under the table.(9) The prducer cmes regularly t cllect the cameras ________________ （退回到我们商店的） fr quality prblems.(10) He bwed t _____________________（惊奇的人们） and left withut a wrd.(11)It is ne f the funniest things ____________________（在网上发现的） s far this year.
the brken vase
returned t ur shp
the astnished peple
fund n the Internet