1、必修5 Unit 1 Great scientists课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究2 课 前 三 诵读话题经典 言 两 语 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究3 三言 两语 1.Born in America，in June，1880，Helen Keller was one of the greatest women in the 20th century.1.他全身心地投入工作，经常工作到午夜，而没有时间为自己着想，一心只为中国人民着想。He put all his heart into the work and alway
2、s worked until midnight，_，but only the Chinese people.havingno time to think about himself 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究4 2Stephen Hawking was famed for his work with black holes and relativity，and wrote several popular science books including A Brief History of Time.3Beethoven began learning the
3、 violin and piano when he was only 5，and by the time he was 8 he was giving public concerts.2他的人格魅力在于一个简单的事实：对帮助别人他从不犹豫。His charming personality lies in a simple fact _.that he never hesitates to helpothers 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究5 基 础 知 构建知识体系 识 梳 理 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究6 单词 拼写应
4、用 核 心 单 词 1._ vt.打败；战胜；使受挫 n.失败 2_ adj.熟练的；经验或知识丰富的 n专家；行家 3_ vt.照顾；护理；出席；参加 4_ vt.吸收；吸引；使专心 5_ vt.责备；谴责 n过失；责备 defeat expert attend absorb blame 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究7 核 心 单 词 6_ vt.&n连接；联系 7_ adj.积极的；肯定的；确实的 8_ adj.热情的；热心的 9_ vt.预见；预知 10_ n柄；把手 vt.处理；操纵 link positive enthusiastic forese
5、e handle 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究8 核 心 单 词 11_ n治愈；痊愈 vt.治愈；治疗 12_ vt.暴露；揭露；使曝光 13_ vt.认为；怀疑 n被怀疑者；嫌疑犯 cure expose suspect 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究9 语境运用 用所给词的适当形式填空 1_(absorb)in painting，John didnt notice evening approaching.2Not knowing what was wrong with his car，Martin decided to
6、 ask an experienced man _(handle)the problem.3_(suspect)the traveler of carrying drugs，the Customs official stopped him and let him open his suitcase，but found nothing at all.Absorbed to handle Suspecting 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究10 4Few analysts _(foresee)that oil prices would rise so quickl
7、y.5Knowing that you show great interest in Chinese cluture，Id like to invite you _(attend)the exhibition with me.foresaw to attend 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究11 拓 展 单 词 1.challenge n挑战 vt.向挑战 _ adj.挑战性的 2caution n小心；警告_ adj.小心的；谨慎的 3pollute vt.污染；弄脏 _ n污染 4instruct vt.命令；指示；教导 _ n说明；传授 _(pl.)用法
8、说明；指示；命令 challenging cautious pollution instruction instructions 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究12 拓 展 单 词 5conclude vt.&vi.结束；推断出 _ n结论；结束 6contribute vt.&vi.捐献；贡献；捐助；投稿 _ n贡献 7reject vt.拒绝；不接受；抛弃 _ n拒绝；抛弃 8science n科学 _ adj.科学的 _ n科学家 conclusion contribution rejection scientific scientist 课前三言两语返
9、首页基础知识梳理课时提能练核心素养达标重难考点探究13 拓 展 单 词 9announce vt.宣布；通告 _ n通知；宣告 10certain adj.确实的；肯定的 _ n确信；确实 _ adv.确定；肯定 11construct vt.建设；修建 _ n建设；建筑物 12responsible adj.有责任的；负责的 _ n责任；负责 announcement certainty certainly construction responsibility 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究14 语境运用 用所给词的适当形式填空 1It was _ tha
10、t he didnt tell us the truth.I came to the _ that he lied.(conclude)2She _ a lot of money to the school and she has made a great _ to education.(contribute)concluded conclusion has contributed contribution 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究15 3The great bridge under _ is designed by Chinese engineers
11、and it will take about a year to _ the large bridge.(construct)4I was bored with my job and felt I needed a new _ Last week I got a new job in a big firm,and I found it very _(challenge)construction construct challenge challenging 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究16 5In class,our English teacher ofte
12、n _ us to improve our reading ability and his _ makes a difference to our English learning.(instruct)6The river is _ and noise is another kind of serious _ here.(pollute)instructs instruction polluted pollution 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究17 阅 读 单 词 1.characteristic n_ 2analyse vt._ 3physician n
13、_ 4victim n_ 5outbreak n_ 特征；特性分析医生；内科医师受害者爆发；发作(尤指疾病或战争)课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究18 阅 读 单 词 6enquiry n_ 7neighbourhood n_ 8pump n_ vt._ 9.firework n_ 询问附近；邻近泵；抽水机(用泵)抽(水)烟火(燃放)课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究19 阅 读 单 词 10chart n_ 11backward adv.&adj._ 12universe n_ 图表向后地(的)；相反地(的)；退步地(的)宇宙；世
14、界课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究20 1(2018全国卷)His office is located at the Xiangshan campus of the university in Hangzhou，Zhejiang Province.Many buildings on the campus are his original creations._ 2(2018全国卷)On every single move you have to analyze a situation，process what your opponent is doing and
15、 evaluate the best move from among all your options._ 作品；创作(棋子的)移动；走棋课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究21 3(2016全国卷)His constructions filled a shelf in the art classroom and a good part of his bedroom at home._ 制成物；作品课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究22 短语 多维应用 高频短语 1._提出 2_得出结论 3_使显露；暴露 4_将和联系或连接起来 5_除
16、之外；此外 语境运用(填入一个适当的词)From some cases，we drew _ conclusion that we should close the window and lock the door in time.Apart_ it，we also put_ several suggestions，one of which was that you should not expose this information _ anyone when out.These suggestions would certainly cure us of the bad habits so
17、that we could prevent such cases happening again.put forward draw a conclusion expose.to link.to.apart from the from forward to 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究23 高频短语 6._ 热衷于；对充满热情 7_讲得通；有意义 8_对严格的 9_有助于；捐献；导致 10_应受责备 11_调查 语境运用(填入一个适当的词)As an astronomer，I am enthusiastic _ your new theory about th
18、e solar system.The following reason contributed _ my suggestion.The present theory doesnt make _，for we cannot conclude that the earth is the centre of the universe.So I sincerely hope you can publish your new theory.be enthusiastic about make sense(be)strict with.contribute to be to blame look into
19、 about to sense 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究24 句式 结构仿写 教材原句背诵 句式仿写应用 1.every time 作连词，引导时间状语从句 So many thousands of terrified people died every time there was an outbreak.(浙江卷)每次他忙完一天的工作到家时，我们都在门口迎接他。_ at the end of the day，wed greet him at the door.Every time he arrived home 课前三言两语返首页基础知识梳理课时提能
20、练核心素养达标重难考点探究25 2.have sth.done 使某事被做 A woman，who had moved away from Broad Street，liked the water from the pump so much that she had it delivered to her house every day.别担心，他将会尽力按时完成工作的。There is no need to worry.He will try to _ on time.have his work finished 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究26 3.on
21、ly 状语从句置于句首的倒装句 Only if you put the sun there did the movements of the other planets in the sky make sense.(湖南卷)只有你找到内心的平静你才能和他人相处得好。Only when you can find peace in your heart _.will you get on/alongwell with others 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究27 重 难 考 突破思维瓶颈 点 探 究 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点
22、探究28 1.conclude vt.&vi.断定；推断出；结束；终止(1)concludesth.from sth.from sth.that.从中推断出 conclude.with.以结束 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究29(2)conclusion n结论；结束 draw/come to/arrive at/reach a conclusion 得出结论 make a conclusion 下结论 in conclusion 最后；作为结论地；总之 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究30 conclude a bargain
23、 成交；达成协议 conclude his speech by wishing everyone a safe trip home 以祝大家归途平安结束了讲话 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究31 基础练习单句语法填空(浙江卷)When the group discussion is nearing its end,make sure to conclude it _ important points.(四川卷)_ conclusion,I like everything in spring,especially the feelings bathed in t
24、he rain and sunshine.(上海卷)We will have a further discussion before we draw _ final conclusion.with In a 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究32 链接写作一句多译 我从我自己的经历中得出结论：有志者，事竟成。I _ that where there is a will there is a way.(conclusion)I _ that where there is a will there is a way.(conclude)drew/reached/cam
25、e to a conclusion from my own experiences concluded from my own experiences 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究33 2.expose vt.暴露；揭露；使曝光；使面临 expose.to.使显露/暴露于/接触到(be)exposed to.暴露于；处于危险中 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究34 expose the kids to as much art and culture as possible让孩子尽量多地接受艺术和文化的熏陶 课前三言两语返首页基
26、础知识梳理课时提能练核心素养达标重难考点探究35 基础练习单句语法填空(辽宁卷)I am repeatedly exposed _ the basic words and learn how they are used to explain objects and ideas.a.There are more than 740 million Chinese _(expose)to secondhand smoking in public places now.bBe careful when you deal with this chemical,as it will explode whe
27、n _(expose)to sunlight.Some people think we shouldnt expose the children _ computer games.to exposed exposed to 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究36 链接写作完成句子/句式升级(普通表达)If you _(把自己暴露在)the sunlight for too long,you will get your skin harmed.(高级表达)_will be harmful to your skin.(动名词短语作主语)expose yourself
28、to Exposing yourself to the sunlight for too long 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究37 3.absorb vt.吸收；吸引；使专心；并入，吞并；理解，掌握(1)absorb ones attention 吸引某人的注意力(2)absorbed adj.精神集中的 be absorbed in 专心致志于；全神贯注于(3)absorbing adj.十分吸引人的；引人入胜的 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究38 be deeply absorbed in work 专注于工作 abs
29、orb new knowledge/information 掌握新知识/新信息 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究39 基础练习单句语法填空 a.(北京卷)When something did interest me,I could become _(absorb)bThe novel was so _(absorb)that she read on without a break even forgetting food and sleep.(北京卷)When deeply _(absorb)in work,which he often was,he would
30、 forget all about eating or sleeping.absorbed absorbing absorbed 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究40 链接写作完成句子/句式升级 (普通表达)Tom _(专心致志)watching the basketball match and he didnt notice his classmate coming up to him.(高级表达)_，Tom didnt notice his classmate coming up to him.(分词短语作状语)was absorbed in Absorbe
31、d in the basketball match 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究41 名师点津 be absorbed in sth.结构在句中作状语、定语时，常用其过去分词形式 absorbed in.。类似的结构还有：be lost in.陷入，专心致志于；be caught in.被困在；be buried in.埋头于；be devoted to.致力于，专心于；be occupied in/with.忙于；be involved in.专注于。课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究42 4.blame vt.责备；谴责；把
32、归咎于 n过失；责备(1)blame sb.for sth.因某事而责备某人 blame sth.on sb.把某事归咎于某人身上 be to blame(for.)应承担责任；该受责备(2)take the blame for.be responsible for.对负责 put the blame for sth.on sb.把某事归咎于某人身上 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究43 bear the blame 承担责任 blame the accident on dangerous driving把事故原因归咎于危险驾驶 课前三言两语返首页基础知识梳理课
33、时提能练核心素养达标重难考点探究44 基础练习单句语法填空(广东卷)Once you form the habit of blaming somebody or something else _ a bad situation,you are a loser.(2017全国卷)Lots of people find it hard to get up in the morning,and put the blame _ the alarm clock.It was the professor rather than his assistant that was _(blame)for what
34、 had happened in the lab.for on to blame 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究45 链接写作句式升级 因为被指责要为学校电脑网络的崩溃负责，艾丽斯的情绪很低落。(普通表达)Alice was in low spirits because she _ the breakdown of the school computer network.(高 级 表 达)_,Alice was in low spirits.(分词短语作状语)was blamed for Blamed for the breakdown of the scho
35、ol computernetwork课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究46 名师点津 be to blame for sth.意为“应为某事负责或受指责”，其中不定式用主动形式表示被动含义。课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究47 5.contribute vt.&vi.捐献；贡献；捐助；导致；投稿(1)contribute to 有助于；促成；为做贡献 contribute.to/towards.向捐献；向投稿(2)contribution n.贡献 make a contribution to/make contributions
36、to 对做出贡献 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究48 contribute 5，000 to the earthquake fund向地震基金捐赠了 5 000 英镑 contribute a number of articles to the magazine给这家杂志投了很多稿 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究49 基础练习单句语法填空 a.(2018 江 苏 卷)Arts contribute _cultural development when people gather together to share their
37、experience and renew their energy.b(江苏卷)It is more meaningful to contribute books and sports goods _ children in need.(辽宁卷)Your _(contribute)will certainly make the event a huge success.to to contribution 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究50 链接写作完成句子/句式升级(普通表达)He _(做出如此大的贡献)the university that the new
38、 library was named after him.(高 级 表 达)_ that the new library was named after him.(倒装句)made such a great contribution to Such a great contribution did he make to theuniversity 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究51 6.put forward 提出(建议)；推荐；将提前；将(钟表等)向前拨 put aside 节省；储蓄；储存；留出 put away 放好；积蓄 put off 延期；推迟 p
39、ut out 熄灭；生产 put up 举起；张贴；建立；提供食宿 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究52 put up with 容忍；忍受 put through 接通电话；完成；使经受 put down 放下；写下 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究53 基础练习写出下列句中 put forward 的含义 Can I put your name forward for club secretary？_ I think he is fit for the position，therefore，Ill put him forwar
40、d as a candidate._ Put your watch forward；its five minutes slow._ They have put forward the date of their wedding by one week._ 推荐/提名推荐拨快将提前课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究54 链接写作完成句子 鼓励孩子们存下一部分零花钱来购买新年礼物。Encourage children _to buy New Year presents.玛丽真的很擅长在课堂上做笔记。她几乎能记下老师说的每一句话。Mary is really good
41、at taking notes in class.She can _ her teacher says.to put aside some of their pocket money put downalmost every word 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究55 7.make sense 有意义；有道理；讲得通(1)make sense of 了解的意义；懂得 in a sense 在某种意义上 common sense 常识 in no sense 决不(用在句首时，句子用部分倒装)(2)There is no sense in doing sth.
42、(口语)做某事是没有道理的 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究56 基础练习单句语法填空(天津卷)See,your computer has broken down again！It doesnt make sense _(buy)the cheapest brand of computer just to save a few dollars.There is no sense in _(complain)We should take action now._ no sense should you lose heart;keep trying and your
43、 effort will pay off in time.to buy complaining In 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究57 链接写作词汇升级(普通表达)There are so many new words in the passage that I could hardly understand them at all.(高级表达)There are so many new words in the passage that I could hardly _ them at all.make sense of 课前三言两语返首页基础知识梳理课时
44、提能练核心素养达标重难考点探究58 8.教材佳句Neither its cause nor its cure was understood.人们既不知道其起因，也不知道它的治疗方法。句法句式句中 neither.nor.“既不也不”，连接句中两个相同成分，连接主语时，谓语动词遵循就近一致原则。课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究59 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究60 基础练习单句语法填空(2019全国卷)Without motivation,you can neither set a goal _ reach it.a.Neith
45、er I nor Jane and Mary _(be)tired of having one examination after another.b(湖南卷)Either you or one of your students _(be)to attend the meeting that is due tomorrow.nor are is 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究61 链接写作 句式升级(普通表达)Henry wont see a film tonight.His girlfriend Helen wont,either.(高 级 表 达)_(ne
46、ither.nor.)Neither Henry nor his girlfriend Helen will seea film tonight.课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究62 核 心 素 强化运用技能 养 达 标 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究63 多维训练夯实基础 维度 1用所给词的正确形式填空 1Children,when _(expose)to an Englishspeaking atmosphere,will pick up the language much more easily.2._(absorb)in
47、 her work,she didnt realize it was time for her to pick up her daughter.exposed Absorbed 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究64 3We discussed the problem many times,but still could come to no _(conclude)4The police had figured out the cause of the traffic accident and it was the driver of the lorry that
48、 should be _(blame)for it.5Neither my wife nor I myself _(be)able to persuade my daughter to change her mind and finally she joined in the game.conclusion to blame was 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究65 维度 2在空白处填入一个适当的词 6(2017江苏卷)Located where the Belt meets the Road,Jiangsu will contribute more _ t
49、he Belt and Road construction.7(2018天津卷)The training schedule,apart _ regular training,includes joining in a variety of activities,such as participating in some national competitions.to from 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究66 8The underground is _ construction here at present and will be completed i
50、n 2022.9It was Stephen Hawking that put _ a theory about black holes.10Only after I read the poem a second time did I make sense _ it.under forward of 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究67 维度 3查缺补漏 11Always read the _(instruction)on the bottle carefully and take the right amount of medicine.12(2017江苏卷)
51、Many Chinese brands,having developed their reputations over centuries,are facing new _(challenge)from the modern market.instructions challenges 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究68 13As nobody here knows what is wrong with the machine,we must send for an engineer _(handle)the problem.14Its reported th
52、at the astronauts will carry out a series of _(science)experiments in space.15When the detective looked _the case,he was threatened by an unknown man.to handle scientific into 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究69 语篇练习提升能力 提能一 单元话题语篇练 根据 P23 教材课文内容，在空白处填入 1 个适当单词或括号内单词的正确形式 John Snow was a famous docto
53、r in London,who was so expert that he 1._(attend)Queen Victoria as her personal physician.But he was famous for 2._(defeat)“King Cholera”attended defeating 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究70 Cholera was a 3._(dead)disease and neither its cause 4._ its cure was understood.John Snow wanted to face the
54、 challenge and solve the problem.He suspected that people absorbed this disease into their bodies with their meals.So when another severe outbreak hit London,he began his enquiry.He found that many victims 5._(link)to the outbreak were near the water pump,so he had the handle 6._(remove)Soon afterwa
55、rds the disease slowed down.He drew 7._ conclusion that the polluted water was 8._(blame)deadly nor linked removed the to blame 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究71 The water 9._(company)were instructed not to expose people 10._ polluted water any more.Finally“King Cholera”was panies to 课前三言两语返首页基础知识梳
56、理课时提能练核心素养达标重难考点探究72 提能二 单元话题写作练 1补全要点句(加黑体部分请利用本单元所学词汇)在历史的长河中，科学家为这个世界做出了巨大的贡献。Throughout history,scientists have _ to the world.made great contributions 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究73 我认为，科学家就是那些在工作中严格要求自己及总是专注于他们所从事的每件事的人。As far as Im concerned,scientists are those who _ themselves in their
57、work and _ everything they do.are strictwith are always absorbed in 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究74 科学家们对他们得出的每个结论都非常谨慎。他们反复做实验来检验他们提出的理论。Scientists _ every conclusion they draw and they do experiments again and again to test the theory they _ are very cautious of have put forward 课前三言两语返首页基础知识梳理
58、课时提能练核心素养达标重难考点探究75 科学家们都牢记这一点：一个理论如果无法帮助世人从所陷入的不可预料的困境中解脱出来的话，就没有意义。Scientists keep in mind that a theory _ if it cant benefit the world that _ unexpected dangers.makes no sense is exposed to 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究76 科学家们耗尽一生的心血，只为找到这样的一个理论。Scientists _ their research in order to find suc
59、h a theory.devote all their life to 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究77 2升级平淡句(1)用 unless 升级句 Scientists keep in mind that _ a theory makes no sense unless itcan benefit the world that is exposed to unexpected dangers 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究78(2)用 so that 改写句 Scientists devote all their life
60、 to their research _ so that they canfind such a theory 课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究79 3衔接成美文 _Throughout history,scientists have made great contributions to theworld.As far as Im concerned,scientists are those who are strict withthemselves in their work and are always absorbed in everything the
61、ydo.Scientists are very cautious of every conclusion they draw and theydo experiment again and again to test the theory they have put forward.Scientists keep in mind that a theory makes no sense unless it canbenefit the world that is exposed to unexpected dangers.Scientistsdevote all their life to their research so that they can find such a theory.课前三言两语返首页基础知识梳理课时提能练核心素养达标重难考点探究80 课 时 提 能 练 点击右图进入 Thank you for watching!