人教版选修八Unit5-Language-points(共20张)课件

1、Unit 5 language pointsUnit 5 language points_n. 验明，鉴别，身份证明identification_身份证identification/identity cardidentical_adj. 完全相同的;同一的 1. _ vt. 确认，识别，鉴别 identify 2. _ adj. 供选择的, 其他的 n.可能 的选择; 二中择一 alternate v. 交替 adj. 交替的 _ alternative energy There isanalternativetothissicksystem. _ -的替代品 _ 别无选择只好做alterna

2、tive have no alternative/choice but to do sth.替代能源an alternative to_n. 验明，鉴别，身份证明ide3. _ v.挨饿 _n. 挨饿，饿死 4._adj. 准确的;精确的 _ n.精确,准确5._ v.打断的讲话;打岔;暂时中止 _ n. 中断；阻碍物 _不间断地 6 . _ vt. 假定，设想_ adj. 假设的，假定的_ n. 设想，假定accuracystarveaccurateinterruptinterruption without interruptionstarvationassumeassumedassumpt

3、ion3. _ v.挨饿 _n. 7. _ adj. 成熟的_ v. 使成熟8. _( adj. )原始的，简陋的 9_ (adv. )不知怎么地；以方式somewhat 有一些；稍微 anyway/anyhow无论如何;不管怎样;用任何方式10. _ (adj.)凌乱的;脏的；难以处理的_ (n.)凌乱,脏 _乱七八糟11. _ (n. )分析 _ (pl. )_ (vt. )分析 _ analytical12. _ (n. )意义;意思;重要性;重要意义 _(adj. )重要的 _非常重要riperipenprimitive somehowmessymessanalysisanalyses

4、analyse/analyze significancesignificantbe of great significance= be greatly significant (adj.)分析的 in a mess7. _ adj. 成熟的_ v. 使13._n.系统,计划 systematic_ adv.有组织地，有系统地 14._ n.学院 ;学会;院校 _ adj.学术的;学院的_ adv.学术上15._ n.接待；接收；招待会_ n.接待员;招待员16. _v.分开_n.划分;分割;分配;17._ v. 加速;促进_n.加速18. _adj.欢快的_adv.轻松地19._n.技巧 _

5、adj.有技巧/熟练的 _ 对熟练skillful / skilfulaccelerationdivisionadj. 有计划的,有条理的acceleratedividesystemskillsystematicallyacademyacademicacademicallyreceptionreceptionistgaygailybe skilful at (doing) sth13._n.系统,计划 systematic_20 _(vt.)吐出(唾液、食物等)；(vi.)吐痰 _ (过去式) _ (过去分词 ) _ (现在分词 )21_(vi. & vt. )鼓掌欢迎；赞赏_ (n. )鼓掌

6、 applaud sb for sth _ 因某事赞赏某人applaudapplausespitspit/spatspit/spatspitting因某事赞赏某人applaudapplausespitspit103. You must be aware that its here that we found evidence of some of the earliest people who lived in this part of the world.(L5)It is an honour to doIt is a privilege（特权） to do强调句定从你们想必都很清楚，正是在

7、这个地方，我们找到了居住在世界上这个部分最早人类的证据。Reading1. It is a great pleasure to meet you students from England. (L3)10It is an honour to do强调句定从你们用interrupt的正确形式填空1).It is bad manners _the speaker.2).The race _ by the pouring rain, so the competitors had to leave the track.3).She has been working out at the gym for

8、 several years _. to interruptwas interruptedwithout interruptionvt. 中断连续地，不断地2. Im sorry to interrupt you but how could they live here? (L8)vt. 打断vs. disturb打扰to interruptwas interruptedwit10 assume: to think or accept that sth is true but without having proof of it. 3.So we think it is reasonable

9、to assume they lived in these caves, regardless of the cold. (L10)regardless of (prep) paying no attention to sth “不管，不顾”10assume: to think or accept t101)._（assume） that he is still alive, how old would he be now?2). 许多人认为他是对的。AssumingWhere unemployment and crime are high，it can be assumed that the

10、 latter is due to the former.假设，用作连词或副词，同义词Supposing that A lot of people make the assumption that he is right.= A lot of people assume him to be right.= It is assumed that he is right.101)._101) It must have been very uncomfortable.(L13)2) That would have kept them warm .(L14)3) .they might have ke

11、pt the fire burning all winter. (L16)4) .they might have hung animals skins at the mouth to keep out the cold .(L17) 4. 情态动词+have done表示对过去的推测101) It must have been very un10(1) 你不必给他买这本书了，他也许早就读过了。You dont need to bring him the book._(2) 我今天早上没见到她。她肯定没有出席会议。I didnt see her this morning; _ 情态动词+have

12、 done表示对过去事情猜测He might have read this book already. she cant have attended the meeting.10情态动词+have done表示对过去事情猜测He mi1. A pencil _(sharp) is a device that can be used _(sharpen) a pencil.2. 这把刀需要磨了. This knife needs _(sharpen).3. 他决定两点整来这儿。 He decided to come here _.sharpener to sharpen sharpening /

13、 to be sharpened at two oclock sharp5.We continue discovering tools that were sharpeners for other tools. It seems that they used the sharpened stone to cut up (切碎) animals and remove their skin. (L32)adv1. A pencil _(sharCut 短语1.cut down trees/production/smoking cut down (on) fatty foods2.cut in on

14、 you/cut in a red car3. cut off water supply4.cut out the part about racial prejudice5.cut up the pizza/carrots切碎砍倒删除隔离; 阻断; 中断（供给）打断；插入; 超车减少; 节省; 减轻Cut 短语1.cut down trees/product6. After that they would rub an ample amount of salt onto the skin to make it soft. (L35)During the novel coronavirus pn

15、eumonia outbreak, the supply is ample and the prices are stable in China.ample: enough 6. After that they would rub “还保存得如此完好。”这是省略的句子, 完整句应是: and it is so well preserved (it指necklace) preserve vt. 保留，保护；n. 保护区 preservation n. 维护，保护，保存Special attention should be paid to _ (preserve) our earth from b

16、eing polluted.preserving7. A:Yes and so well _ (preserve)What do you think its made of ? (L40)preserved preserve vt. 保留，保护；n. 保护区 prreserve v.保留, 预订, 保存; n.储备; 保留; 储备金reserve a room / a nature reseveserve vt. 为.服务; 供应; 为.服役 n.发球, 开球serve as 作为. ;担当./ serve people / serve in the Armyconserve ones str

17、ength / health / resources / wildlife保住体力/健康/资源/保护野生动物observe v.观察; 监视；遵守；庆祝(节日)deserve v. 值得deserve respect=deserve to be respected=deserve respecting同根词联想：reserve v.保留, 预订, 保存; n.储 as引导的非限制性定语从句常译作“正如 那样”，指代主句中心部分或整个句子的内容，as在从句中做主语，宾语或表语。如：As the proverb goes, “The enemy in disguise is just like t

18、he wolf in sheeps clothing.”正如谚语所说的那样, 伪装的敌人就像是披着羊皮的狼。8. A:Yes, indeed, the botanical analyses have shown us, all the fields around here used to be part of a large shallow lake(L46)确实, 正如植物学分析具体显示给我们的那样, 附近所有的土地都曾是大型浅湖的一部分。as as引导的非限制性定语从句常译作“正如 那样”，指代主构词法 adj.+ en v. e.g. shorten / widen / deepen / darken / sharpen