第一部分必修三 Unit 4

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人教版高中英语必修三 unit4 重点单词讲解

but does no harm to adults. • There is no harm in doing sth
5. exist vi. 存在，有
• existence n. 存在；生存 • exist in 存在于 exist on 靠…生存 • Nothing exists on the moon as there is
8. block out 挡住；堵住
• An ugly building blocked out the view from the window.
• Police blocked out the street after the explosion.
• block one’s way • 阻碍某人的路
• What can we do to prevent/stop this disease (from) spreading?
• We must prevent the water from being polluted (pollute).
• 在被动语态中，from不可省略。 • 保护…不受… • protect/defend … from…
稍等一会（hold on)
紧紧抓住
13. break out (战争,争吵,疾病,火灾等) 爆发；突发 The Lugouqiao Incident broke out in 1937.
The audience broke out into thunderous cheers.
• break down 出故障；身体垮掉；失败 break up （关系）破裂；打碎；解散 break in 强行进入;插话 break into 闯入;突然…起来 break off 中断， break trough 突破； break away from 摆脱 break the rules/ law 违反规则/法律 break the records 打破记录

(完整版)人教版高中英语必修三unit4知识点汇总及练习

Unit 4 Astronomy: the science of the stars 单元要点预览语言要点Ⅰ.词语辨析Ⅱ.词性变化Ⅲ.重点词汇1. system n.[c] 系统；体系；制度；方法systematic adj 有系统的; 有条理的[典例]1). The solar system includes the sun and its eight planets. 太阳系包括太阳和它的八颗行星。

2). Alcohol is bad for your system. 喝酒对身体有害。

[练习] 根据句子的意思完成句子。

1). The ______ ______ (教育系统) operates very differently in the US and China.2). He introduced us a well-designed ______ ______ (铁路系统).2. lay vt. (laid, laid, laying) 把放下；摆设；铺(地毯) ；产(蛋)[典例]1). He laid his hand on my shoulder. 他把手放在我的肩上。

2). Who should we lay the blame on? 我们该责备谁?[重点用法] lay短语：lay eggs 下蛋lay sth. aside 把某物放在一边；积蓄（钱）lay sth. down 把某物放下lay the blame on sb.责备某人lay the table 摆桌子lay emphasis / stress on sth. 把重点放在某事上[练习] 根据句子的意思在括号里填入适当的词或翻译。

1). The bird ______ its eggs in other birds’ nests.2). He is a political leader that _____ _____ _____ _____ (非常强调) individual responsibility.3). He ______ some money ______ for rainy days.3. harmful adj. 有害的；伤害的harm n.&vt. 伤害（某人）[典例]Many people are aware of the harmful effects of smoking.很多人都意识到吸烟的危害。

必修三 Unit 4

必修三Unit 4Astronomy: the science of the stars备课编写人：史磊方雪莲【目标体验】【重点突破】1. They were in time to produce carbon, nitrogen, water vapor and other gases, which were to make the earth’s atmosphere.他们最终产生了碳、氮气、水蒸气和其他多种气体，从而形成了地球的大气层。

（1）in time及时；迟早，总有一天①He is believed to arrive in time.相信他会按时到达。

②If you keep on, you will succeed in time.如果坚持下去，你总有一天会成功的。

②Y ou can' t be positive all the time. 你不能总是那样积极乐观。

③He could undertake the work for the time being. 他暂时能承担这项工作。

④Take your time packing, for we still have one and a half hour. 慢慢整理行李, 我们还有一个半小时。

（2）be to do sth.表示“注定会，不可避免将要发生；按计划”①All these things are to be answered for. 所有这一切都会得到报应的。

②We must go if we are to take the nine o ’clock train. 如果我们一定要乘坐9：00的火车，我们必须走了。

③We were sure that he was to become a very important person. 我们确信他注定会成为一个很重要的人物。

[即景活用]① In a room above the store, where a party ____ , some workers were busily setting the table.A. was to be heldB. has been heldC. will be heldD. is being held② —Mum, why didn ’t you wake me up? I will be late for Janice ’s wedding.— _______, and you will make it. A. Don’t be afraid B. Take it easy C. Take you timeD. Hurry up③ I was driving my car when ___________________ I heard a loud bang-I had driven over some glass! A. once in a while B. all at once C. the soonestD. in no time④The two experts worked at the task of writing a preface to the new dictionary for three hours . A. at length B. in fullC. on endD. in time[自我校对] ①A ② D ③ B ④C2.This produced a chain reaction which made it possible for life to develop.这就产生了一系列的反应，使得生命就有可能开始发展了。

新人教高中英语必修三Unit4Space exploration单元分析讲义

Unit 4 Space exploration单元分析本单元主题：人与自然——宇宙探索单元内容分析本单元围绕“太空探索”这一主题展开，内容涉及人类探索太空的历史与成就（包括我国航天事业的发展和成就）宇航员的选拔、太空中的生活、火星探索计划、天文百科知识，以及关于“人类耗费时间和金钱去探索太空是否值得”这一话题的会科学家以及宇航员们为航空航天事业的发展不断努力、勇于开拓的精神，从而激励青少年勤奋学习、刻苦钻研、不畏挫折，努力探索自己的发展道路，立下远大志向，为国家科技事业的发展奉献自己的智慧和力量。

以下为教材各部分教学内容简要分析及教学活动实施建议：1．Opening Page开篇页的主题图展示了2019年1月3日“玉兔二号”（即嫦娥四号月球车）与嫦娥四号着陆器分离后驶抵月球表面的画面。

嫦娥四号首次实现在月球背面着陆，是中国航天事业发展的一座里程碑，是值得每个中国人铭记的时刻。

这一图片不仅能够增强学生的民族自豪感，还能激发学生讨论的热情，让他们能够很快投入到本单元的学习中去。

本单元的名言警句是“Mystery creates wonder and wonder is the basis of man＇s desire to understand.-Neil Armstrong”这是第一位登上月球的美国宇航员尼尔·阿姆斯特朗的名言：“神秘感激发好奇心，而好奇心则是人们探索未知事物的前提。

”人类太空探索的原始动机主要源于与生俱来的好奇心，而这种好奇心和求知欲也是推动人类发展的巨大动力。

太空探索的成就背后是人类不断进取的精神，而只有将这种精神延续下去，人类才能突破极限，走向广阔的宇宙。

2．Listening and Speaking：Talk about how to become an astronaut 本部分的主题是“谈论如何成为一名宇航员”。

关于探索太空的奥秘，能够获得最直接感受的非宇航员莫属，因此，宇航员这一职业对于青少年而言充满了魅力，既带着神秘感，又带着使命感。

新人教高中英语必修三Unit4 Space Exploration单元语法讲解及试题

Unit4 Space Exploration重点1动词不定式作定语教材原句①... on 12 April 1961, Yuri Gagarin became the first person in the world to enter space.······1961年4月12日，尤里·加加林成为世界上第一个进入太空的人。

（不定式短语to enter space作定语，修饰the first person）［P40］②However, while such disasters brought much sadness and disappointment, the desire to explore the universe did not die.然而，尽管这样的灾难带来了很多悲伤和沮丧，但对探索宇宙的渴望没有消失。

（不定式短语to explore the universe 作后置定语，修饰desire）［P41］不定式作定语一般情况下置于所修饰词的后面，并且与被修饰的词之间构成一定的逻辑关系。

①主谓关系被修饰词是不定式动作的发出者。

He's always the first person of the team to put forward the solution to the problem.他总是团队里第一个提出问题的解决方案的人。

2动宾关系被修饰词是不定式动作的承受者。

She looked for some interesting novels to read.她找了一些有趣的小说来读。

特别注意当“不及物动词的不定式＋介词”作定语时，该短语与其所修饰的词之间为动宾关系，此处的介词不可省略。

He can find no one to talk with.他找不到可以交谈的人。

③部分抽象名词后常接不定式作后置定语。

2022高考英语一轮复习第一部分必修三Unit4Astronomythescienceofthest

4. _v_io__le_n_c_e__ n. 暴力；暴行→ _v_io__le_n_t__ adj. 猛烈的；激烈的→ _v_io_l_e_n_t_ly_ adv. 粗暴地；猛烈地
5. _fu__n_d_a_m__e_n_ta_l_ adj. 基本的；基础的→ _fu__n_d_a_m__e_n_ta_l_ly__ adv. 根本上；基本上
我很困惑。
阅读词汇
1. multiply 2. globe 3. biology 4. oxygen 5. dioxide 6. carbon 7. acid
n. 氧 n. 碳 v. 乘；增加 n. 酸 n. 二氧化物 n. 球体；地球仪；地球 n. 生物学
8. religion 9. chain 10. atom 11. gravity 12. satellite 13. thus 14. unlike
7. in the cold _c_li_m_a_t_e_ 在寒冷的气候条件下 8. climb out of the _s_p_a_c_e_s_h_i_p_ 爬出宇宙飞船 9. create a comfortable _a_t_m_o__s_p_h_e_r_e_创造一
种舒适的气氛 10. more than one _b_i_ll_io_n__ dollars 十亿多美元 11. the solar _s_y_s_te__m_ 太阳系 12. Her words _p_u_z_z_le_d__ me greatly. 她的话让
词组搭配
1. _n_o_w__t_h_a_t_(_=_s_i_n_c_e_)_ 既然 2. _i_n_o_n__e_’s__tu_r_n___轮到某人；接着 3. _w_a_t_c_h__o_u_t_f_o_r__ pickpockets提防扒手 4. _g_i_v_e_b__ir_th__t_o__ a baby boy生了一个男孩 5. _b_l_o_c_k__o_u_t_ the light 挡住光线

人教版高一英语必修三 Unit 4 Space Exploration

必修三 Unit 4 Space Exploration (1) 高一年级英语
Lesson 1 Listening and Speaking Talk about how to
become an astronaut
Learning objectives
At this class, you will be able to
4. To become an astronaut in China, you have to have 1,350 hours of flying experience.
Mr Yang: Sure, I had 1,350 hours of flight experience, which I think really helped me.
Listen and Check
• Listen to the specific sentences and find out the differences.
2. Mr Yang always believed that he would become an astronaut one day.
• Listen to the interview and tick the correct statements.
4. To become an astronaut in China, you have to have 1,350 hours of flying experience.
5. Astronauts not only had to learn how to use space equipment, but also had to do a lot of mental and physical training.

【单元教案】高一英语必修三 Unit 4 _教案

教学过程一、课堂导入Play a game to learn the names and positions of the planets:Venus is next to Mercury.Earth is the third planet.Mars is between Earth and Jupiter.Neptune is the furthest planet from the sun.Saturn is between Uranus and Jupiter.Mercury is closest to the sun.二、复习预习教师引导学生复习上节课所学知识点，（以提问、回顾的形式进行），针对上节课的作业进行讲评、订正、答疑，并通过对主语从句具体用法的分析和扩展导入本节课所要学习的课本知识的学习。

三、知识讲解考点/易错点1 重点单词与短语学习violent adj. 暴力的；猛烈的(回归课本P25)The earth became so violent that it was not clear whether the shape would last or not. [归纳拓展]violent criminals: 使用暴力的罪犯a violent attack: 猛烈的攻击a violent protest：强烈的抗议a violent struggle；激烈的斗争violent winds and storms 狂风暴雨violent toothache: 剧烈的牙痛in time及时；最后(回归课本P25)It exploded loudly with fire and rock. They were in time to produce carbon dioxide, nitrogen water vapor and other gases, which were to make the earth’s atmosphere.它（地球）巨大的爆炸喷出了烈火与岩石，最终产生了水蒸汽、二氧化碳、氧、氮和其他多种气体，从而形成了地球的大气层。

人教版高一英语必修三 unit 4 _教案

三、知识讲解考点/易错点1 重点单词与短语学习violent adj. 暴力的；猛烈的(回归课本P25)The earth became so violent that it was not clear whether the shape would last or not.[归纳拓展]violent criminals: 使用暴力的罪犯a violent attack: 猛烈的攻击a violent protest：强烈的抗议a violent struggle；激烈的斗争violent winds and storms 狂风暴雨violent toothache: 剧烈的牙痛in time 及时；最后(回归课本P25)It exploded loudly with fire and rock. They were in time to produce carbon dioxide，nitrogen water vapor and other gases，which were to make the earth’s atmosphere.它（地球）巨大的爆炸喷出了烈火与岩石，最终产生了水蒸汽、二氧化碳、氧、氮和其他多种气体，从而形成了地球的大气层。

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阅读词汇请匹配下列单词与其词义1．astronomy A．adv.失重地2．weightlessly B．n.天文学3．solar C．n.生物学家4．biologist D．n.碳5．carbon E．adj.太阳的；日光的6．dissolve F．n.酸7．acid G．n.二氧化物8．mammal H．vt.& vi溶解；解散9．dioxide I．adj.灭绝的；绝种的10．extinct J．n.哺乳动物答案 1.B 2.A 3.E 4.C 5.D 6.H7.F8.J9.G10.I高频词汇请根据汉语提示完成下列词块1．unlike her mother不像她母亲2．multiply and divide乘法和除法3．crash into a tree撞在树上4．float down the river沿河漂流5．theory and practice理论与实践6．exist only in Africa只存在于非洲7．lessen the risk of heart disease减少患心脏病的几率8．a reaction to a question对问题的反应9．a gentle and sensitive man一个和蔼而又善解人意的人10．give a pull at the rope拉一下绳子11．be in a puzzle about sth对某事迷惑不解12．arrive in__time及时到达必仿佳句1.[原句] This produced a chainreaction, which made it possible forlife to develop.2．[原句] But when I tried to stepforward, I found I was carried twiceas far as on the earth and fell over.3．[原句] “Oh, dear，” I cried,“w alking does need a bit of practicenow that gravity has changed.”4．[原句] We watched, amazed as firebroke out on the outside of thespaceship as the earth’s gravityincreased.1．[仿写] 这个女孩懂三门外语，这使她更容易找到一份好工作。

The girl knows three foreignlanguages, whichmakes__it__easier__for__her__to__find__a__good__job．2．[仿写] 杰西卡付出的时间和精力是以前的三倍，所以我相信她这次能成功。

Jessica devotedthree__times__as__much__time__and__energy__as she did before, so Ibelieve she will succeed this time.3．[仿写] 既然它对我们的好处如此多，为什么不试一试呢？Now__that__it__benefits__us somuch, why not have a try?4．[仿写] 长途旅行之后，我们三人回到了家，又饿又累。

After the long journey, the three of uswent back home,hungry__and__tired.1.exist vi.存在，在于(1)exist on＝live on靠……为生There exist(s)/existed... 某地有/存在……(2)existence n. 存在；生存come into existence 产生；成立；开始存在(3)existing adj. (仅用于名词前)目前的，现存的单句语法填空/完成句子①You can’t imagine what difficulty they have existing on the money he’s earning.②Ever since a long time ago, there__have__existed (存在着) different opinions among scientists on how the universe first existed/came__into__existence (存在)．[佳句背诵] There exists a good way to solve the existing problem in geography.有一个解决现存的地理问题的好办法。

[名师指津] exist没有被动语态，也不能用于进行时态。

2.puzzle n．谜；难题vt.& vi.(使)迷惑；(使)为难(1)a puzzle to sb一件让某人感到困惑的事情be in a puzzle about＝be puzzled about 对……迷惑不解(2)puzzle about 苦思冥想；绞尽脑汁(3)puzzling adj. 令人困惑的puzzled adj. 感到困惑的单句语法填空/句型转换①Where the missing plane has gone still remains a puzzle to us.②What puzzled the firemen was the cause of the fire.→The firemen were__in__a__puzzle__about the cause of the fire.(puzzle n．)→The firemen were__puzzled__about the cause of the fire.(puzzled)[佳句背诵] These scientists have been puzzling about how to solve the environmental problem.这些科学家一直苦思如何解决这个环境问题。

3.harmful adj.有害的；伤害的(1)be harmful to对……有害(2)harm n．& vt. 伤害，损害do sb harm (＝do harm to sb) 伤害某人；对某人有害there is no harm in doing sth 做某事没有害处单句语法填空/句型转换①Drinking too much does harm to your health.②They don’t usually employ untrained workers, but it doesn’t do any harm to try your fortune.→They don’t usually employ untrained workers, but there’s__no__harm__in__trying your fortune.[佳句背诵] The majority of people believe smoking is harmful to health.大多数人相信吸烟对身体有害。

4.unlike prep.和……不同；不像adj.[作表语]不相似；不同(1)like作动词意为“喜欢”，作介词意为“像”(2)dislike是动词，意为“不喜欢”(3)unlike是介词，意为“与……不像，不同，相反”(4)alike可以作形容词或者副词，意为“一样的，相同的”完成句子①My mother dislikes__seeing__you__with__me__together(我母亲不喜欢看到你我在一起)．②Though John and Andrew look__exactly__alike(看上去一模一样), they act quite differently.[佳句背诵] It’s u nlike him to be late; he’s usually on time. 他不是会迟到的那种人，他通常很准时。

5.pull n．& vt.拉(力)；拖；牵引力pull off脱(衣、帽等)pull down 拆毁；摧毁pull out 离站；抽出，取出pull in (火车)进站单句语法填空/完成句子①When all passengers were on board, the train pulled out of the station.②They pulled__down__my__old__house(拆除了我的旧房子) and built five new ones.③She pulled__off__her__raincoat(脱掉雨衣) before entering the room.6.in time及时；终于；迟早in time for...刚好赶上……in time to do sth 及时做某事in no time 立刻，马上on time 准时单句语法填空①We arrived in the summer, just in time to__enjoy (enjoy) the midnight sun.②If you hurry, you’ll be in time for the bus.[佳句背诵] As a proverb goes, “Where there’s a will, there’s a way.” Our efforts will pay off in time.正如一句谚语所说，“有志者，事竟成”，我们的努力迟早会有所回报。

7.prevent...from阻止；制止prevent/stop...(from) doing sth＝keep...from doing sth阻止……做某事keep...doing sth 使……一直做某事protect...from... 保护……不受……侵袭；挡住；防御单句语法填空/句型转换①To keep warm, he kept the fire burning(burn) all the night.②It is high time that we did something to keep the environment from being polluted.→It is high time that we did something to prevent/stop the environment (from) being polluted．8.cheer up(使)高兴；(使)振奋；感到高兴；感到振奋cheer sb up使某人振作起来cheer sb on (比赛中)以喝彩声鼓励；为某人加油单句语法填空/完成句子①They gathered round the swimming pool and cheered her on．②When I’m feeling sad, my mother always tells__me__funny__stories__to__cheer__me__up (给我讲有趣的故事让我高兴起来)．9.in one’s turn轮到某人；接着in turn依次；轮流；反之；相应地by turns 轮流；交替地take turns to do sth 轮流做某事It is one’s turn to do sth 轮到某人做某事单句语法填空①Now that we have finished designing, the company, in turn, should do the constructing work.②I think it’s my turn to__drive (drive) the kids to school this week.③They had to take turns to__look (look) after the patients.10.This produced a chain reaction, which made__it__possible__for__life__to__develop.这产生了一个连锁反应，使得生命的发展成为可能。