人教版选修8Unit 5词块学习

Unit 5△identify vt. 确认；识别；鉴别alternative n. 可能的选择adj. 供选择的；其他的have the alternative of doing sth. 有做某事的选择an alternative to... ……的替代品△archaeology n. 考古学(<美>archeology)△archaeological adj. 考古学的；与考古学有关的(<美>archeological)△archaeologist n. 考古学家(<美>archeologist) starvation n. 挨饿；饿死starve v.饿死tentative adj. 试探性的；不确定的accuracy n. 精确；准确accurate adj. 精确的；准确的△excavate vt. 挖掘；发掘△excavation n. 挖掘；发掘interrupt vt. & vi. 打断……讲话；打岔；暂时中断或中止interrupt sb./sth. (with sth.) (因某事)打断某人/某事interruption n. 打扰；插嘴；打岔；阻断物acute adj. 有观察力的；敏锐的；严重的；深刻的assume vt. 假定；设想(1)assume sb./sth. to_be 假定/假设某人/某事为……It is assumed that... ……被认为……(2)assumption n. 假定；假设make an assumption 认为；假定(3)assuming/supposing (that)．.. 假设/假定……regardless adv. 不管；不顾in spite of＝despite 不顾；虽然；尽管……regard v.将…认为;看待n.关心;致意，问候best regards to sb. 向某人表达祝愿as regards＝regarding＝in/with regard to 关于；至于regard...as... 把……看作……mat n. 席子；垫子quilt n. 被子；棉被beast n. 野兽at most 至多；最多at least 至少centimetre n. 厘米(<美>centimeter) sharpen vi. & vt. （使）锋利；尖锐；清晰sharpener n. 磨具；削具cut up 切碎cut down 减少；砍倒cut off 切断（气、电、水等）；隔断cut in 插嘴；打断别人cut across 走近路；取捷径cut out 剪下；割掉△scrape vt. 擦净；削平；磨光△scraper n. 刮刀；刮削器ample adj. 足够的；充足的；富裕的messy adj. 凌乱的；脏的mess n.脏乱；杂乱；不整洁in a mess 杂乱；一团糟primitive adj. 原始的；远古的；简陋的△bead n. 小珠子；滴botany n. 植物学botanical adj. 植物学的；与植物学有关的analysis n. 分析复数形式analysesanalyze v.分析seashell n. 海贝壳ripen vt. & vi. 使……成熟；成熟category n. 种类；类别；范畴significance n. 意义；意思；重要性；重要意义(1)be of (great/no/little) significance to... 对……(很/不/不太重要) attach (great) significance to 认为……重要(2)significant adj. 重要的；明显的be of significance＝be significant 重要；有意义常见“be＋of＋抽象名词”的短语：①be of significance＝be significant②be of importance＝be important③be of value＝be valuable④be of help＝be helpful⑤be of use＝be usefulsomehow adv. 以……方式；不知怎么地systematic adj. 有系统的；有计划的；有条理的spit vt. (spat, spit; spat, spit) 吐出（唾液、食物等）vi.吐痰delete vt. 删；删除album n. 相册；集邮册；唱片scratch n. （刮、抓、划的）痕迹；搔；挠vt. 搔；抓；擦伤；刮坏academy n. 学院；学会；学术团体；院校receptionist n. 接待员；招待员onion n. 洋葱kindergarten n. 幼儿园skateboard n. 滑板fed up with 受够了；饱受；厌烦yogurt n. 酸乳酷；酸奶radioactive adj. 放射性的；有辐射能的radioactivity n. 放射性division n. 分割；划分；分配；分界线BC 公元前melon n. （各种）瓜wrinkle n. 皱纹pulse vi. 强烈而有规律地跳动；搏动n.脉搏；节拍△vein n. 血管；静脉applaud vi. & vt. 鼓掌欢迎；赞赏applause n.鼓掌；喝彩look ahead 向前看；为将来打算howl vt. & vi. 嗥叫；叫喊；吼叫accelerate vi. & vt. 加速；促进acceleration n.加速spear n. 矛；枪arrest vt. 逮捕；吸引n.逮捕；拘留dizzy adj. 晕眩的；昏乱的；使人发晕或困惑的△eyebrow n. 眉毛△cheekbone n. 颧骨△arrowhead n. 箭头△axe n. 斧；斧子hammer n. 铁锤；锤子gay adj. 快乐的；欢快的gaily adv. 快乐地；轻松地skilful adj. 有技巧的；熟练的(<.美>skillful)date back 追溯到……date back to＝date from 追溯到；始于(无进行时态，无被动语态) up to date 时髦的out of date 过时的punctuation n. 标点符号△worship vt. & vi. 崇拜；敬奉n.崇拜；敬神△craftsmanship n. 技艺；手艺；精工细作。

Unit 5 Meeting your ancestors Ⅰ. 多维记忆重点单词※核心单词速记1. tentative adj. 试探性的; 不确定的2. acute adj. 有观察力的; 敏锐的; 严重的; 深刻的3. quilt n. 被子; 棉被4. ample adj. 足够的; 充足的; 富裕的5. primitive adj. 原始的; 远古的; 简陋的6. spit vt. &vi. 吐出(唾液; 食物等); 吐痰7. alternative n. &adj. 可能的选择; 供选择的; 其他的8. interrupt vt. &vi. 打断……讲话; 打岔; 暂时中断或中止9. assume vt. 假定; 设想10. album n. 相册; 集邮册; 唱片11. somehow adv. 以……方式; 不知怎么地12. arrest vt. &n. 逮捕; 吸引; 拘留13. scratch n. &vt. (刮、抓、划的)痕迹; 搔; 挠; 擦伤; 刮坏※联想单词串记14. starve vi. 挨饿; 饿死→starvation n. 挨饿; 饿死15. accurate adj. 准确的; 精确的→accuracy n. 精确; 准确16. sharp adj. 锋利的, 尖锐的→sharpen vi. &vt. (使)锋利, 尖锐; 清晰→sharpener n. 磨具, 削具17. analyse v. 分析→analysis n. 分析18. mess n. 凌乱; 脏→messy adj. 凌乱的; 脏的19. ripe adj. 成熟的; 熟的→ripen vt. &vi. 使……成熟; 成熟20. significance n. 意义; 意思; 重要性; 重要意义→significant adj. 重要的21. applaud vi. &vt. 鼓掌欢迎; 赞赏→applause n. 鼓掌22. skill n. 技巧→skillful adj. 有技巧的用所给词的适当形式填空1. You need to learn how to sort through and find the relevant information for your particular project. Also, you need to check the accuracy (accurate) of it.2. This new discovery of oil is of great significance(significant) to this area’s economy.3. I’m sorry to interrupt(interrupt) you, but your point seems not relevant to the topic.4. Worn down by the demands of the new baby and perhaps the constant threat of starvation (starve), she made the painful decision to give away her girl so that both of us might have a chance for a better life.5. On the one hand, parents go mad over messy (mess) rooms, clothes thrown on the floor and their children’s refusal to help with the housework.6. No sooner had Mo Yan stepped on the stage than the audience broke into thunderous applause (applaud).Ⅱ. 语境记忆重点短语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 (to. . . )追溯到; 始于7. arrest sb. for因……而逮捕某人8. with relief欣慰地9. keep out 阻止进入10. turn to sb. for help向某人求助11. show sb. round带某人参观12. be used to do. . . 被用来做……13. care about关心14. be aware of知道; 意识到用以上短语的适当形式填空1. Whenever we are in trouble, we must look ahead and encourage ourselves.2. You should be able to get in touch with him in an hour at most.3. Fed up with the life here, I am determined to flee the city.4. He serves the public wholeheartedly, regardless of his personal gain or loss.5. Chinese currency can date back to two thousand years ago.6. Cut up the tomatoes before you put them into the pot.Ⅲ. 应用记忆经典句式1. It must have been (肯定是)very unfortable. (must+have done表示“对过去事情的肯定推测”)2. We have been excavating(一直在考古挖掘)layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter. (现在完成进行时)3. If only (要是……就好了)it could be just like last year! (if only要是……就好了)4. She had almost reached (几乎到达)her destination when (这时)a delicious smell arrested her progress and she stopped. (had done. . . when. . . 刚刚……这时……)句式仿写1. 你一定是把她误认为是她的妹妹了。

Un it 5 Meet ing your an cestors 单元要点预览（旨在让同学整体了解本单元要点）词汇部分重点句型重点语法1.We have bee n excavat ing layers of ash almost six metres thick, which suggests thatthey might have kept the fire burning all win ter.2.Our evide nee suggests they did in deed wear clothes made form ani mal skins.复习现在进行时（见语法部分）语言要点（模块）I .词语辨析（旨在提供完形填空所需材料）1. used to / would【解释】would与used to都可用来表示过去经常性或习惯性的动作。

would只能表示反复发生的动作。

如果表示过去经常性的状态，就不能用would，只能用used to。

used to表示过去经常性或习惯性的动作或状态，但现在已经结束。

would则表示有可能再发生。

3.assume / suppose / p resume【解释】assume假定，设想”，用于逻辑推理，强调一种缺乏证据的结论，以检验某种建议。

suppose意为根据一定证据作出的见解”，最不正式。

意为某人以过去的经验作为依据，对某事作出合乎逻辑的推测【练习】选择assume，suppose, presume的正确形式填空。

1). I _______ that he has gone for a walk.2). We __________ the situatio n will improve.3). From the available data it may be ____________ that the writer was very famous in the 4 cen tury. Keys: 1). assume 2). suppose 3). p resumedn .词性变化(旨在提供语法填空所需材料)川.重点词汇(旨在提供词汇综合运用所需材料)1. i nterru pt vt.&vi.阻断，中断；打岔；插嘴 in terru ption n.中断，打断［典例］1) . Traffic in the city was in terr up ted by a sno wstorm. 市内交通被暴风雪所阻断。