必修三unit4归纳

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高一英语必修三知识点总结：Unit4

以下是为⼤家整理的关于《⾼⼀英语必修三知识点总结：Unit4》，供⼤家学习参考！ Unit 4 Astronomy: the science of the stars 1. be fundamental to… 对……是基本的，必需的This is fundamental to a true understanding of the book. 这对真正理解这本书⼗分重要。

2. in sb’s presence 当着某⼈的⾯，有某⼈在场 She asked them not to discuss the matter in her presence. 她要求他们不要当着她的⾯讨论这个问题。

3. be harmful to… 对……有害的 = do harm to…The air here is harmful to our health. 这⾥的空⽓对我们有害。

4. There is no harm in doing sth. 不妨做某事 = It does no harm to do sth. He may not be able to help but there’s no harm in asking him. 他可能帮不了忙，但是求他⼀下倒也⽆妨。

5. exist on… 靠……⽣存 = live on…They exist on very little food. 他们靠极少的⾷物⽣存。

6. exist in… 存在于……中 Several people believe the Devil exists in the world. 少数⼈认为世界上存在恶魔。

7. in a puzzle 不知如何是好，很迷惑 I am in a puzzle about what he said. 我对他说的话迷惑不解。

8. in time 1)迟早;最后 = sooner or later; eventually 2)及时;不迟 = not late You’ll learn how to do it in time. 你早晚能学会做这件事的。

人教版2019高中英语必修第三册unit4 知识点全归纳

4. d_i_s_a_p_p_o_in_t_e_d__ adj. 失望的；沮丧的 d_i_s_a_p_p_o_in_t_in_g__ adj.令人失望的 d_is_a_p_p_o_in_t_m_e_n_t_ n. 失望 _d_i_s_a_p_p_o_in_t___ vt. 使失望
5. _in_d_e_p_e_n_d_e_n_t__ adj. 独立的；自立的 i_n_d_e_p_e_n_d_e_n_tly__ adv. 独立地；自立地 i_n_d_e_p_e_n_d_e_n_c_e_ n. 独立
望远镜 (天体等的)运行轨道火箭航天飞机太空站；空间站载人飞船无人飞船
三、天体及概念 1．astronomy n. 2．planet n. 3．universe n. 4．globe n. 5．gravity n. 6．atmosphere n. 7．solar system 8．the outer space
1. ___m__e_n_ta_l_____ adj. 精神的；思想的 ___m_e_n_t_a_lly_____ adv. 精神上，智力上
2. __in_t_e_ll_ig_e_n_t____ adj. 有智慧的；聪明的；有智力的 _i_n_te_l_li_g_e_n_ce____ n. 智慧；智力
9.hightech adj. 高技术的；高科技的 10.device n. 装置；设备 11.appliance n. 器具；器械 12.gene n. 基因 13.beneficial adj. 有利的；有益的 14.advantage n. 优点；优势 15.disadvantage n. 缺点；劣势 16.advanced adj. 先进的
9. __li_m_i_te_d____ adj. 有限的 __l_im_i_t_____ vt. 限制；限定 n. 界限；限度 _li_m_i_tl_e_ss____ adj. 无限的

新人教版必修三Unit 4 知识点 - 无答案

必修三Unit41．mental adj.精神的；思想的→mentally ad v.精神地；思想地2．intelligent adj.有智慧的；聪明的；有智力的→intelligence n．智力；智慧；才智3．universe n．宇宙；天地万物→universal adj.普遍的；全体的；全世界的→universally ad v.全体地，一致地4．determine v t.查明；确定；决定→determined adj.意志坚定的；有决心的→determination n．决心；果断5．agency→n.(政府的)专门机构；服务机构；代理处→agent n．代理人；经纪人6．transmit v t.&v i.传输；发送→transmission n．传送；传递；发送；发射→transmitter n．发射机；发射台；传播者，传输者7．disappointed adj.失望的；沮丧的→disappoint v t.使失望；使沮丧→disappointment n．失望；沮丧8．desire n．渴望；欲望v t.渴望；期望→desirable adj.合意的；可取的；值得拥有的9．independent adj.独立的；自立的→independently ad v.独立地；自立地1．launch v t.&n.发射；发起；上市①The enemy launched an attack again.发起②The new model will be launched in July.上市③China will launch another satellite into space.发射④The official launch date is in May.上市，发行2．orbit n．(环绕地球、太阳等运行的)轨道；势力范围v t.&v i.沿轨道运行；环绕……运行①A new satellite has been put into orbit around the earth.轨道②You should come within his orbit.势力范围③The earth take a year to orbit the sun.环绕……运行3．signal v t.&v i标志者；标明；发信号n.信号；标志①At an agreed signal they left the room.信号②Don't fire until I signal.发信号③The announcement signalled a clear change of policy.标明Words And Phrases知识要点1determined adj.有决心的；意志坚定的(教材P40)However，some scientists were determined to help humans realise their dream to explore space.然而，一些科学家决意要帮助人类实现探索太空的梦想。

高中英语必修三 Unit 4 必背单词和词块

必修三Unit4 必背单词和词块(一)背阅读单词——会认就行(背诵时遮住右侧汉语，先自主翻译，后比对词义)1.procedure n．程序；步骤；手续2．mental adj. 精神的；思想的3．gravity n. 重力；引力4．frontier n. 边境；国界；边远地区5．vehicle n. 交通工具；车辆6．launch vt.&n. 发射；发起；上市7．recycle vt. 回收利用；再利用8．current adj. 当前的；现在的n. 水流；电流；思潮9．sufficient adj. 足够的；充足的10．facility n. 设施；设备11．fatal adj. 致命的；灾难性的12．mystery n. 神秘事物；谜(二)背重点单词——写对才行1．desire n. 渴望；欲望vt. 渴望；期望2．signal vt.&vi. 标志着；标明；发信号n. 信号；标志3．lack n. 缺乏；短缺vt. 没有；缺乏4．float vi.浮动；漂流；漂浮vt. 使浮动；使漂流5．otherwise adv. 否则；要不然6．beyond prep. 在更远处；超出7．keen adj. 热衷的；渴望的8．shallow adj. 肤浅的；浅的9．pattern n. 模式；图案；模范10．analysis n. (对事物的)分析；分析结果11．monitor n. 监视器；监测仪vt. 监视；监测；监控12．resource n. 资源；财力；物力13．attach vt. 系；绑；贴(三)背拓展单词——用准才行1．Intelligent adj.有智慧的；聪明的；有智力的→intelligence n．智力；聪明；智能2．determine vt.查明；确定；决定→determined adj.有决心的；意志坚定的→determination n．决心；决定3．disappoint vt.使失望→disappointed adj.失望的；沮丧的→disappointing adj.令人失望的→disappointment n．失望4．independent adj.独立的；自立的→independently adv.自立地；独立地→independence n．独立5．globe n．地球；世界；地球仪→global adj.全球性的；全世界的6．argue vt.&vi.论证；争辩；争论→argument n．争论；争吵；论点7．regular adj.定期的；经常的；正常的→regularly adv.经常；定期地8．limit n．限制；极限；界限vt.限制→limited adj.有限的→limitless adj.无限的[语境活用]1．Since the country became independent in 1842, it has played an important role independently.(independent) 2．A person's life is limited but knowledge is limitless.(limit)3．Artificial intelligence has been used in phones, which makes them seem to be intelligent.(intelligent)4．She is a determined girl, so we know that once she has determined to do something, she will make her dream come true with great determination.(determine)5．To my disappointment,_I saw a disappointed expression on his face due to his disappointing testscore.(disappoint)6．He argued against smoking, and insisted that it was beyond argument that smoking was harmful to health.At last, he argued us out of smoking.(argue)(四)背高频单词——先“记牢”再“用活”，不背绝对不行1．determine vt.查明；确定；决定2．disappointed adj.失望的；沮丧的渴望；欲望vt.渴望；期望3．desire n．4．lack n．缺乏；短缺vt.没有；缺乏5．argue vt.& vi.论证；争辩；争论(五)背短语词块——表达出彩，需多积词块才行单元短语再认再现1．carry on继续做，坚持干2．on board 在宇宙飞船上；在船(飞机)上3．in the hope of doing_sth. 抱着……的希望4．so as to (do sth.) 为了；以便5．figure out 弄懂；弄清楚；弄明白6．result in 导致；造成7．as a result 所以；结果(是)8．provide for sb. 提供生活所需9．in closing 最后10．run out 用完；耗尽重点短语拓展用活1．result in导致；造成2．run out用完；耗尽(六)背主题写作——好习作就靠“仿效”和“背诵”议论文：太空探索是否值得？【题目要求】最近，你班同学就“太空探索是否值得”这一话题展开了一场讨论。

必修3 Unit 4知识点梳理

3.What it was to become was uncertain until between 4.5 and 3.8 billion years ago when
globe.它地球) the dust settled into a solid globe.它(地球)
将成为什么样子一直是个谜，直到45~38亿年以前将成为什么样子一直是个谜，直到45~38亿年以前 45 这些尘埃凝聚成一个固体球体。这些尘埃凝聚成一个固体球体。 be to do sth. 考点提炼 (1)表示应当/必须做某事” 表示“ (1)表示“应当/必须做某事”，通常用于通知和说明书里。说明书里。 (2)表示“按计划或安排将要做某事，其完成式 (2)表示“______________________”，表示 ______________________” 则表示“本来打算做某事” 则表示“本来打算做某事”。 (3)表示“将来不可避免要发生的事” (3)表示“将来不可避免要发生的事”。表示
of等 lot of,lots of,a quantity of,quantities of等。
不同但比较的项目相同。不同但比较的项目相同。 (2)主语相同，但比较的项目不同。 (2)主语相同，但比较的项目不同。主语相同 much/many+名词+as分句名词+as (3)as much/many+名词+as分句 He took as much butter as he needed. 他带的这些黄油够需要的。他带的这些黄油够需要的。 (4)as+形容词原级+名词词组+as分句 (4)as+形容词原级+名词词组+as分句形容词原级 +as as+adj.+a(n)+n.+as句型是“as...as”结构的一 as+adj.+a(n)+n.+as句型是“as...as”结构的一 adj.+a(n)+n.+as句型是种变化形式。 as的这种用法类似的词还有too... 种变化形式。与as的这种用法类似的词还有too... 的这种用法类似的词还有 to...句型中的too,感叹句中的how， to...句型中的too,感叹句中的how，so...that... 句型中的too,感叹句中的how 句型中的so等句型中的so等。 so Jack is as efficient a worker as Bill. 杰克和比尔都是工作效率很高的工人。杰克和比尔都是工作效率很高的工人。

人教版高中英语必修三--unit4-重点单词讲解

on time 按时，准时
He will come on time even though it rains.
time的短语
• some time 一些时间 • at times 时常 • kill time 消磨时间 • behind time 落后 • all the time 一直 • at a time 一次 • at this time 这时 • at that time 那时 • in time of 在....的时候
表示原因的连词： seeing(that)/given(that)/considering(that)鉴于; 考虑到
Seeing (that) he is ill, he is unlikely to come.
Given/Considering their inexperience/ that they are inexperienced，they’ve done a good job.
牵引力?反义词push?pullout离站?pullin进站停靠?pullover把车开到路边?pullup停车停止?pulldown拆毁?pullthrough恢复健康watchoutforlookoutfor?watchoutlookout?小心?watchover?照管
Unit 4
1. violent 猛烈的；激烈的；暴力的
10. cheer (sb.) up ；感到振奋；使高兴
The crowd cheered up when they saw the team arrive. He took her to the concert to cheer her up.
cheerful adj. 快乐的，高兴的 Cheers! 干杯！

高中英语人教版必修三第四单元基础知识点(笔记版)

Unit 4 Direction 表示方向常和in,4. in time ①及时in time tofrom 搭配。

从某个方向用from,system 系统，体系朝某方向用in. do/ in time forsolar system 太阳系in all directions 四面八方②最终，迟早。

相当于sooner or government systems 政府体系in the opposite direction 朝相反later ,eventuallyinterest vt. 使⋯感兴趣的方向例如：The woman went to the例如：We were just in time for the常用：Sth. interest Sb. direction from which she flight.= Wewere just in time interested adj. 感兴趣的came.这个女士走向她来的方to catch the plane.interesting adj. 令人感兴趣的向。

Don’t worry. Iamsure thingseg: What he said interested will get better in time.all of us. to do 一般做目的状语，但有时候We are interested in the 辨析：in time/ on time/ at a也可做结果状语，见课本第一段interesting story.最后。

Only to do 结果发现常t ime( 一次，每次)/at one time( 曾经，一度)/ at1. 根据一个普遍接受的理论，times=sometimes( 有时候)表示意料之外的结果。

例如：宇宙起源于一次大爆炸，这She went to the supermarket,次大爆炸把物质射向四面八方。

新版人教版高中英语词汇表必修三 Unit4

词汇表必修三Unit41. astronaut n. 宇航员;太空人2. procedure n. 程序;步骤;手续3. m ental adj 精神的;思想的4. cm abbr (centimetre/ senti: (r)or centimeter)厘米5. intelligent adj. 有智慧的;聪明的;有智力的6. rocket n. 火箭;火箭弹7. gravity n. 重力;引力8. frontier n. 边境;国界;边远地区9. vehicle n. 交通工具;车辆10. universe n. 宇宙;天地万物11. determined adj. 有决心的;意志坚定的12. determine vt. 查明;确定;决定13. satellite n. 人造卫星;卫星14. aunch n. 发射;发起;上市15. orbit n. (环绕地球、太阳等运行的)轨道;势力范围vt.＆vi.沿轨道运行;环绕…运行16. giant adj. 巨大的;伟大的n.巨人;巨兽;伟人17. leap n. 跳跃;剧增;剧变(leapt, leapt /lept/or leaped, leaped vt.＆vi.跳过;跃过18. mankind n. 人类19. agency n. (政府的)专门机构;服务机构;代理处20. transmit vt.＆vi.传输;发送21. data n. [pl.]资料;数据22. disappointed adj. 失望的;沮丧的23. desire n. 渴望;欲望vt.渴望;期望24. carry on继续做，坚持干25. ongoing adj. 持续存在的;仍在进行的;不新发展的26. on board 在宇宙飞船上;在船上;在飞机上27. independently adv. 独立地;自立地28. independent adj. 独立的;自立的29. spacecraft n. 航天器;宇宙飞船30. spacewalk n. 太空行走;太空行走的时间31. jade n. 玉;翠;玉器32. dock vi.＆vt.(两架航天器)对接;(使)……进港.码n头;船坞33. signal vt.＆vi.标志着;标明;发信号n.信号;标志34. in the hope of doing sth抱着……的希望35. so as to (do sth)为了;以便36. recycle vt. 回收利用;再利用37. muscle n. 肌肉;实力;影响力38. lack n. 缺乏;短缺.没有;缺乏39. float vi. 浮动;源流;源浮；vt使浮动;使漂流40. otherwise adv. 否则;要不然41. beyond prep.在更远处;超出42. solar adj. 太阳的;太阳能的43. solar system太阳系;类太阳系44. current adj. 当前的;现在的n.水流;电流;思潮45. figure out弄懂;弄清楚;弄明白46. sufficient adj. 足够的;充足的47. soap n. 肥皂48. towel n. 毛巾;抹布49. microwave n.( also microwave oven)微波炉50. tissue n. 纸巾;(人、动植物细胞的组织)51. facility n. 设施;设备52. keen adj. 热衷的;渴望的53. globe n. 地球;世界;地球仪54. argue vt.＆vi.论证;争辩;争论55. argument n. 争论;争吵;论点56. fatal adj. 致命的;灾难性的57. shallow adj. 肤浅的;浅的58. result in导致;造成59. pattern n. 模式;图案;模范60. analysis n (pl analyses )(对事物的)分析;分析结果61. as a result 所以;结果(是)62. high- end adj. 高端的63. monitor n. 监视器;监测仪vt.监视;监测;监控64. regularly adv. 经常;定期地65. regular adj. 定期的;经常的;正常的66. foam n. 泡沫橡胶;泡沫67. pillow n. 枕头68. smartphone n. 智能手机69. resource n. 资源;财力;物力70. imited adj. 有限的71. provide for sb提供生活所需72. closing adj. 结尾的;结東的n.停业;关闭;倒闭73. in closing 最后74. mystery n. 神秘事物;迷75. run out用完;耗尽76. attach vt. 系;綁;贴77. oxygen n. 氧;氧气78. Sputnik 1 “旅伴一号”(苏联发射的人类第一颗人造卫星)79. the USSR abbr. the Union of Soviet Socialist Republics苏联80. Yuri Gagarin 尤里・加加林(苏联宇航员)81. Neil Armstrong/'niol ' a: strop/尼尔・阿姆斯特朗(美国宇航员)82. NASA abbr. National Aeronautics and SpaceAdministration (美国)国家航空与航天局83. Voyager1 “旅行者一号”84. Soyuz 11 “联盟11号85. Challenger “挑战者”号航天飞机86. the International Space Station国际空间站87. Jade Rabbit “玉兔”月球车88. Mars n. 火星89. Jupiter n. 木星90. Typhoon Goni 合风天鹅91. GPS abbr. global positioning system全球(卫星)定位系统。

高一英语必修三unit4第四单元知识点

高一英语必修三unit4第四单元知识点词汇部分wildlife /'waildlaif/ n.野生动植物protection /pr?'tek?n/ n.保护wild /waild/ adj.野生的；野的；未开发的；荒凉的habitat /'h?bit?t/n.栖息地（动植物的）自然环境threaten /'θret?n/ vt. & vi.恐吓；威胁decrease /di'kri:s/ vi. & vt.减少；（使）变小；或变少endanger /in'deind??/ vt.危害；使受到危险die out 灭亡；逐渐消失loss /l?s/ n.损失；遗失；丧失reserve /ri'z?:v/ n.保护区hunt /h?nt/ vt. & vi.打猎；猎取；搜寻zone /z?un/ n.地域；地带；地区in peace 和平地；和睦地；安详地in danger (of) 在危险中；垂危species /'spi:?i:z/ n.种类；物种carpet /'kɑ:pit/ n.地毯respond /ri'sp?nd/ vi.回答；响应；做出反应distant /'dist?nt/ adj.远的；远处的fur /f?:/ n.毛皮；毛；软毛antelope /'?ntil?up/ n.羚羊Zimbabwe /zim'ba:bwei/ n．津巴布韦(非洲东南部国家)relief /ri'li:f/ n.（痛苦或忧虑的）减轻或解除；减轻痛苦的事物in relief 如释重负；松了口气laughter /'lɑ:ft?/ n.笑；笑声burst into laughter 突然笑起来；大声笑了出来mercy /'m?:si/ n.仁慈；宽恕；怜悯certain /'s?:tn/ adj.确定的；某一；一定importance /im'p?:t?ns/ n.重要（性）WWF (World Wildlife Fund) 世界野生生物基金会rub /r?b/ vt.擦；摩擦protect … from 保护……不受……（危害）mosquito /m?'ski:t?u/ n.蚊子millipede /'milipi:d/ n．(=millepede)千足虫insect /'insekt/ n.昆虫contain /k?n'tein/ vt.包含；容纳；容忍powerful /'pau?fl/ adj.强大的；有力的affect /?'fekt/ vt.影响；感动；侵袭attention /?'ten?n/ n.注意；关注；注意力pay attention to 注意appreciate /?'pri:?ieit/ vt.鉴赏；感激；意识到succeed /s?k'si:d/ vi.成功vt.接替；继任Indonesia /ind?u'ni: ??;-zi?/ n．印度尼西亚(东南亚岛国) rhino /'rain?u/ n.犀牛secure /si'kju?/ adj.安全的；可靠的income /'i?k?m; 'ink?m/ n.收入employ /im'pl?i/ vt.雇用；利用（时间、精力等）harm /hɑ:m/ n. & vt.损害；危害Milu deer麋鹿bite /bait/ vt. & vi.(bit,bitten) 咬；叮；刺痛extinction /ik'sti?k?n/ n.灭绝；消亡dinosaur /'dain?s?:/ n.恐龙come into being 形成；产生county /'kaunti/ n.县；郡inspect /in'spekt/ vt.检查；视察unexpected /?nik'spektid/ adj.没料到的；意外的incident /'insid?nt/ n.事件；事变dust /d?st/ n.灰尘；尘土；尘埃according to 按照；根据……所说Mauritius /m?'ri??s/ n．毛里求斯(非洲东部岛国) disappearance /dis?'pi?r?ns/ n.消失fierce /fi?s/ adj.凶猛的；猛烈的so that 以致于；结果ending /'endi?/ n.结局；结尾faithfully /'feiθf?li/ adv.忠诚地；忠实地Colobus /'k?l?b?s/ monkey (非洲产)疣猴，髯猴词组部分1. as a result结果As a result of= because of 由于result in = cause导致result form 由于2. die out （动，植物物种）灭绝die o 死于…（多内因）die from死于…（多外因）die dow变弱；逐渐消失 be dying for 渴望得到…3. be at a loss = be puzzled at =be confused迷惑的，不解的suffer a loss (of) 蒙受损失 make up for a loss 弥补损失be lost in one’s thought(陷入沉思) lose heartlose one’s heart to sb4.in peace 平静的（地）；安静的（地）in silence/ in quiet/in surprise/in a hurry5.hunting for搜索; 搜寻6.be in danger of 有… 危险be out of danger脱离危险endangered adj. 濒危的 dangerous 危险的7.have / give an effect on / upon …take effect(生效)come / go into effect 生效；实施8.be concerned about担心.关心，挂念 9. get dressed穿上衣服get done强调动作，不能和表一段时间的状语连用;be done 表状态10.turn round : 转过去，围绕…旋转11.apply to应用be applied to被应用于apply for请求,申请….. apply to sb. for sth.12.protect ……from保护…..免受….危害prevent from阻止（stop/ keep from）13.have aeffect on对...有影响14.with a sad face looking at her. with + 宾语(O) + 宾语补足语/doc/dd5261298.html,e into being: 形成；产生；开始存在come into use：开始被使用come into one’s mind / head: 突然想到come into fashion: 开始流行come into consideration: 开始考虑必背知识点1. If the ir habitat is threatened or they can’t find enough food, their numbers may decrease. 如果他们的栖息地受到威胁或者他们找不到足够的食物，他们的数目就可能减少。

(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 单元重点预览1. loudly / loud / aloud词语3. remain / leave辨析4.climate / weather1.violent adj.强暴的，剧烈的2. fundamental adj.基本( 础 ) 的 n.[pl.] 基来源则(法例 )3.development n.词生长，发展；新状况汇词部形4. lay vt.放下；陈设；产分变(蛋 )化lay---laid---laid---layi ng5. prevent vt.预防，防备6. gentle adj.平和的；柔和的7. physics n.物理，物理学2.unlike / dislike5.now that / since / because / as violence n.暴力，强violently adv. 强暴暴；剧烈地；剧烈地fundamentally adv. fundament n. 基础；基当地；根当地根本develop vt.developed adj. 发达发展；产生的 developing adj. 发vi. 生长；发展展的lie vi. 躺，平放；lie n.&vi. 谎言；谎话位于lie---lied---lied---lyin lie---lay---lain---lyi gngprevention n.预防；preventable adj可.防阻挡；阻碍止的，可预防的gently adv.平和地；静静地physicist n.physical adj.身体的；物理学家物理 (学)的；物质的1.system n.[c] 系；系统；制度；方法y vt. (laid, laid, laying) 把⋯⋯放下；； (地毯 ) ； (蛋)重 3. harmful adj. 有害的；害的点 4. exist vi. 存在；生计5. puzzle v.(使)诱惑； (使)苦思n.；6.pull v.拉，拖，拔；移 n.拉，拖；拉 (引 )力7.cheer vt.&vi. (使)高、振； ( )呼1.to begin with 以⋯⋯开始；由⋯⋯作开；第一2.in time 及；最；早重 3. in one ’ s turn到某人；接着点 4. prevent...from 使⋯⋯不做事；阻挡⋯⋯做某事5. block out 住（光）6. be off = set off 出；身；不用上班 /学/开7.break out (灾、争等 )突；爆8.watch out 亲密注；当心；防备1. It exploded loudly with fire and rock, which were in time to producethe water vapour, carbon dioxide, oxygen, nitrogen and other gases,重点句which were to make the earth’ s atmosphere.子 2. That made it possible for life to begin to develop.3.But when I tried to step forward I found I was carried twice as far ason the earth and fell over.重点从句和表从句（法部分）法言重点Ⅰ .辨析1. loudly / loud / aloud【解】loudly adv 响亮地，大声地loud adj/adv 与 sing, speak, talk用aloud adv 相默而言；出声【】依据句子的意思在括号里填入适合的。

【高中英语教材知识梳理】必修三 Unit 4

Unit 4Astronomy：the science of the starsⅠ.单词语境记忆1．exist in space存在于太空2．crash into a truck 撞上一辆卡车3．float on the surface of the water 漂浮在水面上4．pull out my tooth 拔掉我的牙齿5．masses of work 一大堆的工作6．in that cold climate在如此寒冷的气候条件下7．create a comfortable atmosphere创造一种舒适的气氛8．more than one billion dollars 十亿多美元Ⅱ.词性转换与派生记忆1．puzzle n．谜；难题→v t.& v i.(使)迷惑；(使)为难2．religion n．宗教；宗教信仰→religious adj.宗教的3．theory n．学说；理论→theoretical adj.理论的，理论性的4．violent adj.猛烈的；激烈的；强暴的→violence n．暴力→violently ad v.暴力地；猛烈地5．harmful adj.有害的→harm n．& v．伤害→harmless adj.无害的6．exist v i.存在；生存→existence n．存在；生存7．puzzle v i.& v t.(使)迷惑；(使)为难n．谜；难题→puzzled adj.迷惑不解的→puzzling adj.令人迷惑的8．biology n．生物学→biologist n．生物学家Ⅲ.单词趣味串记1．Tom was in violent pain.As a result，he behaved violently and treated everything with violence.汤姆处于极度痛苦之中，因此他表现得很粗暴，一切都以暴力对待。

高中英语必修三第四单元重点

高中英语必修三第四单元重点、难点Unit Four Astronomy: the science of the stars1、They were followed in time by land animals. 陆地动物及时出现。

in time及时；终于A stitch in time saves nine. 小洞不补，大洞尺五。

You will get used to it in time. 最终你会习惯的。

易混辨析：in time和on time in time表示“及时；终于”；而on time表示“按时”。

联想扩展：in no time 立即；马上at one time 曾经；一度at a time 一次at any time 在任何时候at times有时；偶尔from time to time 有时即时活用：– How often do you go to see your parents? --- __________.A. In no timeB. After a whileC. In a short timeD. From time to time 答案：D2、They produced young generally by laying eggs. 它们以产蛋的方式生产后代。

lay eggs 下蛋How many eggs does you hen lay every week? 你的母鸡每周下多少蛋？联想扩展：lay the table 摆桌子lay up 储存；搁置lay over 推迟lay the blame on 责怪lay the foundation 奠定基础lay to 归咎于lay open 摊开；揭露lay out 摆开；展示lay aside 放在一边；积蓄lay down 放下；放弃lay for 等候3、These animals were different from all life forms in the past, because they gave birth to young baby animals and produced milk to feed them.这些动物和以前的任何生物形式都不同，因为它们产仔并用奶水喂养它们。

2019-2020年高中英语人教版必修三Unit4知识点归纳及小测

2019-2020学年高中英语人教版必修三Unit 4 Astronomy：the science of the stars知识点归纳I.Important phrases1．exist vi.存在；生存(1)exist in存在于……之中exist on 靠……为生There exists/existed ... 某地有……；存在……(2)existence n. 存在；生存come into existence 产生；成立；开始存在2．puzzle vt.使迷惑；使为难；使窘困；感到迷惑n.(游戏的)猜谜；难题；谜(1)puzzle over/about sth.苦苦思索；仔细琢磨……puzzle sth.out 琢磨出……的答案a puzzle to sb. 对……来说是个谜(2)puzzled adj. 迷惑不解的(常用来修饰人)be puzzled about 对……感到迷惑puzzling adj. 令人迷惑不解的(常用来修饰事物)3．pull n．& vt.拉(力)；拖；牵引力pull away(汽车等)开走pull down 拆毁；摧毁pull up 停下(车)来；阻止pull in (车辆)进站停靠；靠边停靠pull out 驶出；退出；(使)摆脱困境pull through 康复；痊愈4．force vt.促进；强迫n.力量；军队(1) force sb. to do sth迫使……做force sb. into doing sth. 迫使……做force one's way (into) 强行前进或进入force sth. on sb. 把……强加于某人(2)by force 依靠武力come into force (法律)实施in force 大批地；大规模地5．in time及时；终于；总有一天(1)in no time 立刻；马上at no time 绝不(位于句首，句子需倒装)at a time 每次；一次at one time 曾经；一度at the same time 同时from time to time 有时；偶尔(2)take one's time 别着急；慢慢来kill time 消磨时间6．in one's turn轮到某人；接着in turn依次；轮流；反之；反过来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It turns/turned out that ... 结果……7．cheer up(使)高兴；(使)振奋；感到高兴；感到振奋(1)cheer sb. on(比赛中)以喝彩声鼓励；为某人加油cheer the victory 为胜利而欢呼(2) cheering adj. 能鼓舞人的；使人振作/高兴的cheerful adj. 快乐的；高兴的；兴高采烈的cheerless adj. 阴冷的；阴暗的；阴郁的；不快乐的(3) Cheers! (用于祝酒)干杯！8. solar system ; a social system; a railway system; the present education system9. lay eggs10. give birth to11. block out12. carbon dioxide13. manned spaceship14. watch out; watch out forII. Important sentence patterns1.make it＋adj.＋for sb.to do sth.“使某人做某事……”(it是形式宾语，形容词是宾语补足语，for sb.to do是真正的宾语)。

新外研高中英语必修三unit4 核心重点词汇讲解

B3U4 重点词汇讲解1.greet 问候，欢迎；…映入眼帘Eg. 1)The two friends greeted each other with bear hugs.两个老朋友见面时相互热烈拥抱。

2）When we reach the top of the hill, we were greeted by a magnificent view of the sea.当我们到达山顶时,映入我们眼帘的是一片壮丽的海景。

greeting n.问候，致意exchange greetings 互相问候2.broadcast v.广播,传播n. 广播节目live broadcast 现场直播broadcasting广播业broadcaster广播员3.load n.负载物,工作量,负担v. 装载loads of /a load of 许多unload 卸下(货物,感情) unload sth on sb 向某人倾诉某事;把某事推到某人身上be loaded with 充满的;装满的overload超载;负担过重upload/download上传/下载Eg. 1）It took a load off my mind to know they had arrived safely.得知他们平安到达后,我如释重负。

2）Get a load of that dress！你瞧那条裙子！4.battle v/n 斗争,战斗battle against/with 与…斗争battle for 为…而斗争battlefield战场be half the battle 成功了一大半battle it out 决一胜负Eg. The rescue attempt was a battle against time救援行动是一场与时间的较量。

5.fold v.折叠,包;裹n.折痕unfold展开,打开fold one’s arms交叉双臂fold…in ones arms把…抱在怀里6.sculpt v.雕刻,雕塑sculpture n.雕像,雕刻品sculptor n.雕塑家7.exhibit v.展出展览;显示,显出n. 展览品exhibition n. 展览会,展览,显示be on exhibition=on display 在展出Eg. 1)The exhibition will be held from Oct.1st to Oct.30 in the city library.这个展览10月1日到10月30日将会在城市图书馆举行.2)The gallery exhibits many contemporary sculpture and photography.该画廊主要展出当代雕塑和摄影作品.8.seal n. 海豹; 封蜡,封条v.密封9.calligraphy 书法calligrapher 书法家Eg.Yan Zhenqing is a famous calligrapher in Tang Dynasty whose calligraphy is vigorous and forceful.颜真卿是唐朝有名的书法家,他的书法苍劲有力。

高一英语必修三unit4的知识点

高一英语必修三unit4的知识点高一英语必修三Unit 4的知识点Unit 4 of the high school textbook for first-year English students focuses on the topic of Earthquakes. In this unit, students will be introduced to various aspects related to earthquakes, including their causes, effects, and ways to minimize damage. This article will provide an overview of the key knowledge points covered in Unit 4.1. Introduction to Earthquakes- Earthquakes are natural events that occur when there is a sudden release of energy in the Earth's crust, resulting in seismic waves.- The focus (hypocenter) refers to the point underground where the earthquake originates, while the epicenter is the point on the Earth's surface directly above the focus.- The magnitude of an earthquake is a measure of its size, which is usually determined using the Richter scale.2. Causes of Earthquakes- Earthquakes can be caused by tectonic plate movements, such as convergent, divergent, and transform boundaries.- Subduction zones, where one tectonic plate is forced beneath another, are particularly prone to producing powerful earthquakes.- Human activities, such as mining and the creation of reservoirs, can also trigger seismic events known as induced earthquakes.3. Effects of Earthquakes- Primary effects of earthquakes include ground shaking, surface ruptures, and tsunamis (ocean waves triggered by seismic activity).- Secondary effects may include landslides, fires, and the destruction of buildings and infrastructure.- Earthquakes can also lead to human casualties and displacement, as well as long-term economic and social consequences.4. Examining Earthquakes- Scientists use seismographs to measure seismic waves and record earthquake data.- The data collected allows them to determine the location, magnitude, and depth of an earthquake.- Earthquakes can be classified as foreshocks (smaller earthquakes preceding a larger one) and aftershocks (smaller earthquakes that follow the main shock).5. Earthquake Preparedness and Mitigation- Building codes and construction practices can help prevent or minimize damage caused by earthquakes.- Early warning systems can provide valuable seconds to minutes of advance notice, allowing people to take cover or evacuate.- Public education and awareness campaigns play a crucial role in ensuring communities are prepared for earthquakes.6. Case Studies- Unit 4 includes case studies on significant earthquakes from around the world, such as the 1906 San Francisco earthquake and the 2011 Tohoku earthquake and tsunami in Japan.- These case studies provide real-life examples of the causes, effects, and responses to earthquakes, offering students a deeper understanding of the topic.In conclusion, Unit 4 of the high school English textbook explores the topic of earthquakes. Through studying this unit, students will gain knowledge about earthquakes' causes, effects, examination methods, and ways to prepare and mitigate their impact. By understanding thesekey points, students will develop a greater awareness of earthquakes and their significance in our world.。

高一英语必修三 Unit4知识点总结

必修三Unit4 知识点整理B. Expressions1. in time 及时，终于，迟早，最后on time 按时，准时all the time 一直，总是 at times 偶尔，有时at one time 曾经，一度 at a time 每次，一次at no time 在任何时候都不 kill time 消磨时间take one’s time 不着急，慢慢来 in no time 立刻，马上2. violent crime/behavior 暴力犯罪/行为violent storm 暴风雨 do violent to 对…施暴with violence 强烈地，暴力地3. be fundamental to 对…至关重要4. be harmful to = do harm to 对…有害there is no harm in doing sth. 不妨做某事5. multiply v.乘，迅速增加 multiply A by B A乘以B add v.加 plus prep. 加上subtract v.减 minus prep. 减去divide v. 除 times prep. 乘以6. exist in 存在于…中 exist on 靠…为生come to existence/being 形成，出现 be existence 存在7. give birth to 分娩 be of good birth 出身名门8. in one’s turn 轮到 by turns 轮流地in turn 依次，轮流 take turns to do sth. 轮流做某事9. prevent…(from) doing 阻止…做stop sb. (from) doing sth. keep sb. from doing sth.10. be in puzzle 感到困惑puzzle about/over 仔细琢磨11. break up 解散，破碎 break out 突发，爆发break down 出故障 break in 闯入，插话break into 强行进入 break one’s heart使心碎break out of摆脱，逃出 break up into分成，分解12. solid n. “固体”adj. “固体的，坚固的；实心的，纯的，牢靠的，立体的”。

Unit4高一必修三知识点

Unit4高一必修三知识点高一必修三是学生们开启高中学习旅程的一门重要课程。

本文将对Unit 4的知识点进行逐一论述，帮助学生们更好地掌握这些内容。

第一部分：文化差异在Unit 4中，我们学习了不同国家和地区的文化差异。

当我们了解不同文化之间的差异时，能够更好地适应跨文化环境，增进友谊与合作关系。

比如，我们学习了东西方饮食文化的不同，西方人更偏好快餐，而东方人更偏好米饭和面食。

另外，我们也学习了不同国家的礼仪习惯，比如在中国，听到有人打嗝表示赞赏。

第二部分：教育体制教育体制也是Unit 4的一个重要内容。

我们学习了不同国家的教育体制，比如英国的公立学校与私立学校之间的差异。

在英国，私立学校更注重学生的个人发展和课外活动。

此外，我们还了解了美国的大学录取流程和加拿大的高中课程设置。

第三部分：旅游胜地Unit 4还介绍了一些世界著名的旅游胜地。

我们了解了埃及的金字塔，印度的泰姬陵，以及澳大利亚的悉尼歌剧院等。

通过了解这些旅游景点，我们不仅开拓了眼界，还能够更好地了解世界各地的文化和历史。

第四部分：地理环境与气候地理环境和气候是Unit 4中的另一个重要主题。

我们了解了不同国家和地区的地理特点，比如澳大利亚的大草原和亚洲的高山。

此外，我们还了解了不同地区的气候，比如孟加拉国的炎热潮湿和加拿大的寒冷冰雪。

了解不同地理环境和气候对我们的生活和文化有着重要的影响。

第五部分：全球问题最后，Unit 4还向我们介绍了一些全球问题。

例如，我们了解了全球变暖对地球环境和气候的影响，以及贫富差距对全球发展的影响。

了解这些全球问题不仅可以提高我们的环境意识，还能够促使我们思考如何为世界发展贡献自己的力量。

综上所述，Unit 4高一必修三的知识点涵盖了文化差异、教育体制、旅游胜地、地理环境与气候以及全球问题。

通过学习这些知识，我们可以更好地了解和适应不同的文化环境，增加自己的知识储备，培养环境意识和全球视野。

希望同学们能够努力学习并运用这些知识，为自己的未来发展打下坚实的基础。