选修8unit5词汇讲解

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高二英语人教版新课标选修第8册Unit 5 Meeting your ancestors全单元单词课件完整版28张PPT

She was able to identify her attacker. 她认出了袭击她的人。
identification n.鉴定,辨认,确定身份,证明 identification card身份证. identifiable adj.可辨认的 identifier n.鉴定人,检验人 identical adj.相同的 be identical to /with……与……一模一样的
32.delete vt.删除 Your name has been deleted from the list. 你的名字已
从名单上删掉。
deletion n.删除 He made several deletions to the manuscript. 他在原
稿上删去了好几处。
33. album n.相册,集邮册,唱片
acute appendicitis 急性阑尾炎 Dogs have an acute sense of smell. 狗的嗅觉灵敏。 Her judgement is acute. 她的判断敏锐。 acutely adv.剧烈地,尖锐地 cute adj. 可爱的；漂亮的；聪明的，伶俐的
10.assume vt.假定,设想,承担
a photo album 相册 the band‘s latest album 这个乐队的最新专辑 debut album 首张专辑；处女专辑 stamp album n. 集邮册
34. scratch n.（刮，抓，划的）痕迹，搔，挠
vt.搔,抓,擦伤,刮坏 Try not to scratch. 尽量别挠。 John yawned and scratched his chin. 约翰打个哈欠，挠挠下巴。 start from scratch 从头开始；白手起家；从起跑线开始

人教版高中英语选修8 unit5-单词(共26张PPT)

botanical adj. 植物学的
botanist n. 植物学家
analyze v.分析
Analysis n. 分析
analyses n. 分析
Tongue twister
➢ She sells seashells on the seashore. The seashells she sells are seashore seashells.
Unit 5 Meeting your ancestors
------words and expressions
identify vt. 确认, 识别, 鉴别
1) identify sb/sth (as sb/ sth) 确认是… e.g. She was able to identify her attacker.
agreement to meet on Friday.
To we
get an _ac_c_u_r_a_te_ member, must measure a_c_c_u_r_at_e_ly_.
➢
There is an acute shortage of water. (严重的)
interrupt vt. & vi. 打断…讲话；暂时中断或中止
look down (on/upon sth.) 轻视 look up and down 上下打量
look after 照顾，照料
amply
adv. 充足地
His efforts has been amply
rewarded.
2 messy adj. 凌乱的
2 chaotic adj. 混乱的
2 mess n. 杂乱（可数名词）
➢ What a mess! ➢ My room is a real mess

高中英语选修8Unit5知识点

高中英语选修8Unit5知识点英语选修课程开发是我国新一轮英语基础教育课程改革的一个重点。

接下来店铺为你整理了高中英语选修8Unit5知识点，一起来看看吧。

高中英语选修8Unit5知识点：重点单词1.alternative n. 可能的选择 adj.供选择的;其他的2.starvation n.挨饿;饿死→starve vi.挨饿;饿死3.accuracy n.精确;准确→accurate adj.准确的;精确的4.interrupt vt. & vi.打断……讲话;打岔;暂时中断或中止5.assume vt.假定;设想6.sharpen vi. & vt.(使)锋利;尖锐;清晰→sharpener n.磨具;削具7.messy adj.凌乱的;脏的→mess n.凌乱，脏8.botany n.植物学→botanical adj.植物学的，与植物学有关的9.analysis n.分析→analyses pl.→analyse vt.分析→analy st n.分析者，化验员→analytic(al)adj.分析的，解析的10.category n.种类;类别;范畴11.significance n.意义;意思;重要性，重要意义12.delete vt.删;删除13.somehow adv.以……方式;不知怎么地14.academy n.学院;学会;学术团体;院校15.applaud vi. & vt.鼓掌欢迎;赞赏→applause n.鼓掌16.accelerate vi. & vt.加速;促进17.arrest vt.逮捕;吸引 n.逮捕;拘留18.dizzy adj.晕眩的;昏乱的;使人发晕或困惑的高中英语选修8Unit5知识点：重点短语1.regardless of 不管;不顾2.at most 至多;最多3.cut up 切碎4.fed up with 受够了;饱受;厌烦5.look ahead 向前看;为将来打算6.date back 追溯到……7.arrest sb. for... 因……而逮捕某人8.with relief 欣慰地9.be proud of... 以……为骄傲10.turn to sb. for help 向某人求助高中英语选修8Unit5知识点：重点句型1.If only it could be just like last year! 要是能跟去年那样有多好呀!2.It is agreat pleasure to meet you students from England...见到你们这些来自英国的学生非常高兴……3.It must have been very uncomfortable.那肯定会非常不舒服。

2020年高考英语一轮复习：选修八 Unit 5 Meeting your ancestors

2020年高考英语一轮复习：选修八Unit 5 Meeting your ancestors[单词回顾·会拓展]Ⅰ.核心词汇(能写会用)1.somehow相关单词一览①somehow ad v.以……方式；不知怎么地；不知为什么②anyhow ad v.无论如何③anyway ad v.无论如何；不管怎样④somewhat ad v.有点儿；有几分；颇为2．分词用作介词或连词小结①assuming 假设；假定②considering 鉴于；考虑到③including 包含；包括④supposing 假设；假如⑤provided/providing 假设；如果⑥concerning 关于⑦given 鉴于；考虑到3．后缀en构成的动词集锦①sharp→sharpen 磨快；使敏捷1．tentative adj .试探性的；不确定的 2．ample adj .足够的；充足的；富裕的 3．primitive adj .原始的；远古的；简陋的 4．category n ．种类；类别；范畴 5．receptionistn ．接待员；招待员 6．yogurt n ．酸乳酪；酸奶 7．wrinkle n ．皱纹8．pulse v i .强烈而有规律地跳动；搏动 n ．脉搏；节拍 9．howl v t .& v i .嗥叫；叫喊；吼叫 n ．长嚎；嗥叫语境串联Mr.Brown ，an acute politician ，gave a significant speech that a lot of poor people have no alternative but to starve to death and regardless of others ，rich people should help improve their messy living conditions.He was interrupted by the audience applauding from time to time.Assuming that if all of us do such things in a systematic way ，we 'll accelerate the development of society.[短语再现·能应用]college student！”However，looking ahead，he has no alternative but to prepare for the coming College Entrance Examinations.Fed up with doing lots of exercises every day regardless of a lot of difficulties，he knows he has to accelerate his walk to revision.His parents both applaud him and are proud of him.[句型重温·巧仿写]教材情景导入01语法填空A group of students from England has come to theZhoukoudian caves for a visit.An archaeologist 1.is showing(show) them round.The archaeologists 2.have been excavating(excavate) here for many years.After finding human and animal bones 3.in those caves higher up the hill as well as tools and other objects assume discovered fireplaces in the centre of the caves 5.where they constructed fires.Some evidence suggests 6.that our ancestors did wear clothes 7.made (make) from animal skins.The archaeologist also shows the students a primitive necklace 8.preserved (preserve) quite well.Indeed analysis has been 9.specially(special) showing us fields around here used to be part of a large shallow假定/假设某人/某事为……assume that... 假定/假设……It is assumed that... ……被认为(2)assumption n. 假定；假设make an assumption 认为；假定on the assumption that 假定(3)assuming (that)．.. 假设/假定……①Don't assume it is OK to be rude if the person you're in touch with won't recognize you. 不要主观地认为如果你正在接触的人认不出来你，你就可以粗鲁。

选修8unit5知识点汇总

选修8 Unit 5知识点汇总I．1.(1)___________________________ (任你选择) of marrying or remaining a bachelor.(2)I offered the _____________________________(提供选择的建议) of spending thevacation in the mountains or by the sea.(3)I had no alternative ________________________.(除了承受该项提议之外)①We must ___(假定他是清白的)until he is proved guilty.②(假定) the proposal is accepted，when are we going to get the money.③A lot of people that poverty only exists in the Third World. 许多人认为贫困仅仅存在于第三世界。

④I‘m working the money will come through.我是在假定能拿到钱的情况下工作。

(5)_________________________ (普遍认为) that stress is caused by too much work.Embry __________________________________________ (因为偷车而被捕了)．The police expected to _________________________________ (进展逮捕)soon.Her extreme beauty ___________________________________ (引起了男孩的注意)．The agent was for carrying a false passport.(1)_____________________ (向前看)，you all will have a brighter future.(2)I’ve _____________________ (阅读了所有文件) but I still can’t find the contract.(3)He _____________________ (向前看去) in order to find his mother.(4)____________________ (小心)！The car is running too fast.be significant＝be of significance 有意义significantly adv.重大地；有意义地①This new discovery of oil is (有着重大的意义) to this area's economy.②Please inform us if there are any (重大)changes in your plans.6. relief n.much to one’s relief =to one’s great relief使某人大为放心的是，使某人深感宽慰的是provide relief for sb 为。

选修八词汇Unit 5 Meeting you ancestors

Unit 5 Meeting you ancestors知识要点整合核必词汇梳理1．assume vt.假设；猜想；以为It is generally assumed that stress is caused by too much work.普遍认为，紧张系工作过重所致。

Assuming that the proposal is accepted，when are we going toget the money?假定这个建议被采纳，我们什么时候能拿到钱？句型assume sb.(to be)．..认为某人是……I had assumed him to be a Belgian.我本以为他是比利时人。

He is not such a fool as you assume him to be.他不像你认为的是个傻瓜。

2．regardless adv.不加理会；不顾一切地；无论如何You get a lot of criticism but you just have to carry onregardless.你受到许多批评，但无论如何你必须坚持下去。

识记regardless of不管；不顾The club welcomes all new members regardless of age.俱乐部对所有新成员不分年龄一律欢迎。

The amount will be paid to everyone regardless of whether theyhave children or not.不管有没有孩子，每个人都会得到相同的金额。

链接despite不管，不顾in spite of不管，不顾whatever不管3．somehow adv. 以……方式；不知怎么地Somehow or other，the baby burst into tears.那个婴儿不知为什么大哭起来。

He could have finished it on schedule，but somehow he fellbehind.他原本能按预定进度做完这件事的，但不知怎地却落后了。

选修8unit5词汇讲解

Unit 5 Meeting your ancestors1. alternative n．可能的选择adj.供选择的，其他的Can you think of the alternatives we would use today(教材P37)你能想出今天我们使用的替代品吗I offered the alternative suggestions of spending the vacation in the mountains or by the sea.我提议这次要么到山区要么到海边度假。

have the alternative of doing sth. 有做……的选择；可以做……have no alternative/choice but to do sth. 别无选择只好做……alternative/choice/selectionalternative一般强调在只有两种可能性或者行为方式之间进行的选择。

choice泛指从一组人或物中进行的自由选择。

selection含有从许多可供选择的人或物中择优选择的意思。

seven ________ courses.A．required；alternative B．requiring；alternative C．require；alternate D．require；alternative2．starvation n．挨饿；饿死Did they suffer from cold，starvation or disease(教材P37)他们遭受寒冷，饥饿或疾病吗There are many people suffering from starvation in the world at present.现在，世界上仍然有许多人在挨饿。

starve vt.& vi.(使)饿死；渴望 starve...to death 使……饿死starve to death 饿死 starve for sth.渴求/需要什么starve to do sth.想要干某事 starve sth./into doing sth. 断绝食物(或资金)来源以迫使某人做某事3. It_is_a_great_pleasure_to_meet you students from England，who are interested in archaeology.(教材P38)很高兴见到你们这些来自英国的且对考古学感兴趣的学生。

新课标人教版选修八Book8 Unit5 vocabulary

10．category n．种类；类别；范畴 11．significance n．意义；意思；重要性，重要意义 12．delete vt.删；删除
13．somehow adv.以……方式；不知怎么地
14．academy n．学院；学会；学术团体；院校 15．applaud vi. & vt.鼓掌欢迎；赞赏→applause n．鼓掌
(3) Scientists believe that human cloning is just a matter of time,
but the assumption that human clones have already been born hasn’t been proved yet. 假想，设想
16．accelerate vi. & vt.加速；促进
17．arrest vt.逮捕；吸引 n．逮捕；拘留 18．dizzy adj.晕眩的；昏乱的；使人发晕或困惑的
●重点短语 1．regardless of不管；不顾 2．at most 至多；最多 3．cut up 切碎 4．fed up with 受够了；饱受；厌烦 5．look ahead 向前看；为将来打算 6．date back 追溯到……
除了继续下去，我们别无选择。
2．interrupt vi. 打岔
vt. 暂时中断或中止
interruption n. 中断，打断 interrupt sb. 打断某人的讲话或正在做的事 without interruption 不间断地 [即学即练] (1)Traffic was interrupted by a dense fog. 中断
I have no alternative but to take this proposal.

人教版高中英语选修八unit5-词汇讲解

一、date back to英［deɪt] 美[deɪt]追溯到……常见用法：1．动词+～advance the date提前日期bear the date注明日期break the date不遵守约定bring forward the date提前日期2．形容词+～closing date截止日期early date早期fixed date固定的日期future date将来的日期3.介词+~from that date从那时起on a certain date在某一日期out of date过时的to date到目前为止例句:All the objects are from the same excavation site in Sanxingdui and can be dated back to between 3,000 and 5，000 years ago。

所有的物品都来自于三星堆的一个挖掘点，时间可以追溯到3000到5000年前.date back to＝date from因追溯是从现在算起指向过去，所以这个短语常用一般现在时。

This custom dates back to the 16th century。

这风俗起源于16世纪。

This is an old building dating back to/dating from the 16th century。

这是一栋追溯至16世纪的古老建筑物。

练习：1.英译汉My interest in stamp collecting dates back to/from my schooldays.2。

Every day a number of tourists take pictures in front of the tower，which ________ as early as 800 years ago.A．dates back to B．is dated backC．dates back from D．was dated from答案：1。

新课标高中英语选修8 Unit5 重点单词及短语

新课标高中英语选修8 Unit 5 重点单词及短语选修8 Unit 5重点单词1. alternative n. 可能的选择;选择对象adj。

供选择的；其他的2。

accuracy n. 精确:准确3. interrupt vi。

打断…讲话;打岔vt. 暂时中断或中止4. assume vt。

假定；设想5. sharpen vt.＆vi。

（使）锋利，尖锐，清晰6。

ample adj。

足够的；充足的；富裕的7。

primitive adj。

原始的；远古的；简陋的8. preserve vt。

保持；保存；保藏n。

禁猎地9. analysis n。

（pl。

analyses）分析10. specific adj。

详细而精确的；确切的；特定的；具体的11. specifically adv. 确切地;具体地；特别地12. significance n。

意义；意思;重要性；重要意义13. somehow adv. 以…方式；不知怎么地14。

systematic adj。

有系统的；有计划的;有条理的15。

radioactive adj。

放射性的;有辐射能的16. radioactivity n。

放射性17。

applaud vt.&vi. 鼓掌欢迎；赞赏18。

accelerate vt。

&vi。

加速;促进19。

arrest vt。

逮捕；吸引n. 逮捕；拘留20。

dizzy adj. 晕眩的；昏迷的；使人发晕或困惑的21。

relief n.（痛苦或忧虑的)减轻或解除；减轻痛苦的事物22。

affection n。

恋爱；喜爱23. affectionate adj. 充满深情的；有爱心的24. patient adj。

耐心的;忍耐的25. skilful adj。

(英）有技巧的：熟练的(~美～skillful)26. punctuation n。

标点符号重点短语1。

show…around领某人参观2。

regardless of 不管；不顾3. keep out…阻止…进入4。

【高中英语教材知识梳理】选修八 Unit 5

Unit 5Meeting your ancestorsⅠ.单词语境记忆1．the alternative of riding or walking在骑车和步行中选择一种2．his acute analysis of the situation 他对形势敏锐的分析3．in the botanical garden 在植物园里4．five categories of books 五种类别的图书5．arrest my attention 吸引了我的眼球6．check his pulse检查他的脉搏7．feel dizzy and short of breath 感动头晕气短8．the safety of radioactive material 放射性物质的安全9．a project of great significance十分重要的项目10．ample rainfall in that area 那个地区的丰沛降水Ⅱ.词性转换与派生记忆1．scratch n．(刮、抓、划的)痕迹；搔；挠→v t.搔；抓；擦伤；刮坏2．pulse n．脉搏；节拍→v i.强烈而有规律地跳动；搏动3．worship n．崇拜；敬神→v t.& v i.崇拜；敬奉4．identify v t.确认；识别；鉴别→identification n．辨认；鉴定→identity n．身份；一致；同一性5．starvation n．挨饿；饿死→starve v．(使)挨饿；饿死6．accuracy n．精确；准确→accurate adj.准确的；精确的→accurately ad v.准确地；精确地7．interrupt v t.& v i.打断……讲话；打岔；暂时中断或中止→interruption n．打断；打岔；中止8．assume v t.假定；设想→assuming conj.假设→assumption n．设想；假定；担任9．sharpen v．(使)锋利；尖锐；清晰；削尖→sharp adj.锋利的→sharpener n．磨具；削具；铅笔刀10．messy adj.凌乱的；脏的→mess n．凌乱；脏11．ripen v．使……成熟；成熟→ripe adj.成熟的12．systematic adj.有系统的；有计划的；有条理的→system n．系统；制度13．academy n．学院；学会；学术团体；院校→academic adj.学术的；理论的14．receptionist n．接待员；招待员→receive v．接收→reception n．接待；接收15．division n．划分；分割；分配；分界线→divide v．分开；分割；划分16．applaud v i.& v t.鼓掌欢迎；赞赏→applause n．鼓掌17．accelerate v．加速；促进→acceleration n．加速度18．skilful adj.有技巧的；熟练的→skilled adj.熟练的；有技能的→skill n．技能；技巧Ⅲ.单词趣味串记1．His acute observation made his research work accurate.他的敏锐的洞察力使他的研究工作十分准确。

人教新课标高中选修8Unit5单词讲解完整ppt课件

of
A
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5. cut up 切碎，剁碎；使伤心，使难受
（1）我们把鸡剁成块煮汤吧。（2）当他朋友拒绝帮助他的时候，
他真的很难过。（3）他建议我们减少我们的日常开
支。
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归纳拓展
cut…in half ＝ cut…into halves 把……切成两半 cut up sth.＝cut sth. into pieces把东西切/剁成
I am afraid I _____ _____ ______ ______ ______ stay at home. ②我没有别的办法，只好向警方告发了他。
I_____ ______ ______ ______ ______ report him to the police. 答案：①have no alternative but to ②had no alternative but to
6. _a_m__p_le_ adj. 足够的；充足的；富裕的 → ______ adj.(同义词)
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7. _a_n_a_ly_si_s_ n.分析→a_n_a_l_y_z_e_ vt.分析
significant
8si.gn__if_ic_a_n_c_en.意义；意思；重要性；重要意义 → _______ adj.有重
over something important. (2) His speech was constantly __________
by applause.
(1) disturb (2) interrupted
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• (3)We have to________you ， because your speech has gone beyond the time limit.

高中英语选修8 unit5-重点词汇讲解

9. date back to 追溯到；始于
date back to＝date from
1. The Great Wall we see today mostly dates back to the Ming Dynasty.
我们今日所看到的长城大部分建于明朝。。
2. The origin of this festival dates back to ancient times .
[7] The village was __c_u_t__o_ff__ because of flood. 严格说来，他没有资格做这份工作。。
[8] Some reptiles can regrow their tails when they are __c_u_t_a_w_a_y__. 有些爬行动物的尾巴被割掉后可以重新长出来。
[1] Yuan Longping is such a devoted scientist that people in China all __l_o_o_k_u__p_t_o__ him.
袁隆平是如此有奉献精神的科学家，人们都很尊敬他。 [2] The patients were well __lo_o_k_e_d__a_ft_e_r__ by the nurses .
[4] The scientist made the assumption that there is no animal life on other planets.
这个科学家提出了其他星球上没有动物生命的假设。。 [5] His original assumption proved to be wrong.
cut away 切掉；砍掉
cut across 抄近路穿过