（优化指导）高考英语一轮复习-unit-5-Meeting-your-ancestors课件-必修8.ppt

1、Unit 5Meeting your ancestors 主干回顾夯基础【基础单词】1_ n挨饿；饿死2_ adj.试探性的；不确定的3_ adj.有观察力的；敏锐的；严重的；深刻的4_ adv.不管；不顾5_ adj.凌乱的；脏的6_ adj.原始的；远古的；简陋的7_ n植物学8_ adj.植物学的；与植物学有关的starvationtentativeacuteregardlessmessyprimitivebotanybotanical9_ vt.&vi.使成熟；成熟10_ n种类；类别；范畴11_ adv.以方式；不知怎么地12_ adj.有系统的；有计划的；有条理的13_ n放射性1

2、4_ n分割；划分；分配；分界线15_ n(各种)瓜16_ adj.头晕目眩的；昏乱的；使人发晕或困惑的ripencategorysomehowsystematicradioactivitydivisionmelondizzy【单词拓展】1_ adj.快乐的；欢快的_ adv.快乐地；轻松地2_ n可能的选择adj.供选择的；其他的_ adv.两者选一地3_ n精确；准确_ adj.精确的；准确的_ adv.准确无误地4_ vt.&vi.打断讲话；打岔；暂时中断或中止_ n中断；打扰gaygailyalternativealternativelyaccuracyaccurateaccurate

3、lyinterruptinterruption5_ vt.假定；设想_ n假设；假定6_ vt.&vi.(使)锋利；尖锐；清晰_ adj.刺耳的；锋利的；急剧的7_ adj.足够的；充足的；富裕的_ adj.(同义词)8_ n分析_ vt.分析9_ n意义；意思；重要性；重要意义_ adj.有重大意义的assumeassumptionsharpensharpamplerich/enoughanalysisanalyzesignificancesignificant【语境填词】用适当的词填空。Mr.Brown，an _1_ politician，gave a _2_ speech that a

4、lot of poor people have no _3_ but to starve to death and _4_ of others，rich people should help improve their _5_ living conditions.He was _6_ by the audience _7_ from time to time._8_ that if all of us do such things in a _9_ way，well _10_ the development of society.答案：1.acute2.significant3.alterna

5、tive4.regardless5.messy6.interrupted7.applauding8.Assuming9systematic10.accelerate1_不管；不顾2_切碎3_向前看；为将来打算4_阻止进入5_领某人参观6_受够了；饱受；厌烦7_追溯到8_至多；最多9_集中10_寻找11_轮流做某事regardless ofcut uplook aheadkeep out.show.aroundfed up withdate backat mostconcentrate onsearch fortake turns to do sth.1It _ very uncomfortab

6、le.那肯定很不舒服。2_ it could be just like last year!要是能像去年那样该有多好呀！3Abruptly she sat down，_ by her laughing，shouting sister，Luna.她突然坐了下去，结果被她又笑又嚷的妹妹鲁娜一把抱了起来。must have beenIf onlyonly to be scooped up在下列文段空缺处填入一个适当的词使句子连贯。A group of students from England came to the Zhoukoudian Caves for a visit.An archaeol

7、ogist showed_1_around.First the archaeologist described_2_people lived in their caves:They might have kept fire_3_(burn)all winter to keep them warm，cook the food and scare wild animals away.They might_4_(hang)animal skins_5_the cave mouth to keep out the cold.When the students saw a needle，she told

8、 them that early people might have used sharpened stone tools to cut up the animals and remove_6_skin.Then smaller scrapers might have been used to clean the fat and meat from them.After that they would have had to rub_7_ample amount of salt inside the skin to make it soft enough.Finally，they would

9、have cut it and_8_(sew)the pieces together.At last she showed them a necklace.Why are some of the beads made of animal bones_9_some are made of shells?Perhaps there was trade_10_early people or they travelled to the seaside on their journeys.答案：1.them2.how3.burning4.have hung5.at6.their 7an8.sewn9.b

10、ut10.between核心探究 破疑难 alternative adj.供选择的；其他的n可能的选择；选择对象(1)an alternative to 的替代品have no alternative/choice but to do sth.别无选择只好做某事theres no alternative.别无选择(2)alternative energy替代能源；新能源alternative fuel代用燃料；可替代燃料alternative method替代的方法(牛津P56)You can be paid in cash weekly or by cheque monthly；those

11、are the two alternatives.你的工资可以按周以现金支取，或按月以支票支取。二者可选其一。The manager said that they had an alternative plan if the plan they had submitted was not accepted.经理说如果他们递交的计划不被接受，他们还有另外一个计划。I had no alternative/choice but to report him to the police.除了向警察举报他，我别无选择。We recommend using alternative sources of f

12、uel such as charcoal.我们建议使用替代燃料，比如木炭。【点津】表示“别无选择，只得”的表达方式还有：have no choice but to do；cant choose but do；cant(help)but do；can do nothing but do学以致用1语境填词：用admit的适当形式填空他除了承认他错了别无选择。He had no alternative but _ that he was wrong.He had no choice but _ that he was wrong.He could do nothing but _ that he w

13、as wrong.答案：to admit；to admit；admit interrupt vt.&vi.打断讲话；打岔；暂时中断或中止(1)interrupt sb./sth.(with sth.)(因某事)打断某人/某事(2)interruption n打扰；插嘴；阻断物without interruption连续地；不断地(牛津P1069)Sorry to interrupt，but there is someone to see you.对不起打扰一下，有人要见你。Trade between the two countries was interrupted by the war.两国

14、之间的贸易被战争中断了。It is not polite to interrupt a speaker with frequent questions.不断提问打断演讲者是不礼貌的。She has kept up physical training for several years without interruption.她坚持体育锻炼，多年来从未间断。【辨析】interrupt/disturbinterrupt突然中断、打断他人的言语或行为，使其不能继续disturb较正式的用词，多用于被动词态。指扰乱，使人不能平静或妨碍别人工作、思维或正常秩序，是程度较深的打扰学以致用2完成句子会议刚

15、一开始就被打断了。The meeting had scarcely begun _.我们去找个说话不受打扰的地方吧。L e t s g o s o m e w h e r e w h e r e w e c a n t a l k _.答案：when it was interruptedwithout interruption assume v假定；设想；假装；承担(教材原句)So we think it is reasonable to assume they lived in these caves，regardless of the cold.所以我们有理由认为他们不顾严寒，就住在这些洞

16、穴里。(牛津P104)It is generally assumed that stress is caused by too much work.普遍认为，紧张是工作过重所致。(牛津P104)It is reasonable to assume that the economy will continue to improve.认为经济继续好转是有道理的。Assuming that the proposal is accepted，when are we going to get the money?假定这个建议被采纳，我们什么时候能拿到钱？学以致用3完成句子我认为她是一所大学的教授。I _

17、 a professor in a university.假设你得到一大笔钱，你会做什么？_ you get a large sum of money，what will you do?我们臆断房价会下降。We _ that the house price would fall.答案：assumed her to beAssuming thatmade an assumption significance n意义；意思；重要性；重要意义(1)be of significance/helpbe significant/helpful有意义/帮助be of no significance无意义/不

18、重要be of little significance不太重要(2)significant adj.重要的(牛津P1866)She couldnt grasp the full significance of what he had said.她未能充分领会他那番话的意思。(牛津P1866)The new drug has great significance for the treatment of the disease.这种新药对于这种病的治疗有重大意义。And all the members should realize the value and significance of wh

19、at they are going to do.并且所有队员应该意识到他们要做的事情的价值和意义。学以致用4完成句子依我看来，这是一个非常重要的问题。In my opinion，it _ a matter _.他们对计划的改变十分奇怪，但我觉得没什么意义。Their change of plan is strange but I dont think its _.答案：is；of great significancesignificant/of any significance regardless of不管；不顾(侧重指不计后果和代价)(1)regardless of不顾；不管regardl

20、ess of the fact that.不顾的事实in spite ofdespite虽然，尽管(2)as regardsregardingin/with regard to关于，至于regarding prep.关于；至于(3)regard.as.把当作Regardless of the bad weather，the soldiers went on with their rescue.不顾天气恶劣，战士们继续展开救援。Regardless of whether he is right or wrong，we have to follow his decisions.不论他是对还是错，我

21、们必须遵守他的决定。Despite the high mountains and thick forests，the doctors and nurses rushed to the scene of the accident for the rescue.尽管山高林密，医护人员还是迅速地赶到出事地点，实施救援。【点津】(1)regardless of.强调“不认为重要”，从而不加以重视或考虑，而despite和in spite of有“尽管但是”之意。(2)regardless of后可跟whether、what引导的从句，而in spite of和despite后不可接从句。学以致用1完成

22、句子他不顾危险地爬上了高塔。_，he climbed the pagoda.他怎么想就怎么说，不考虑别人的感受。He says what he thinks，_.尽管天在下雨，他们还是继续工作。They continued to work _ it was raining.答案：Regardless of dangerregardless of other peoples feelingsregardless of the fact that date back to(date from)追溯到(1)date from/back to追溯到；始于；自至今(后接表过去的时间)to date迄今为

23、止up to date最新的；现代的out of date过时的；废弃的make/have a date with sb.与某人约定某个时间；与某人约会set/fix a date(for sth.)确定一个日期(子)(教材原句)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.所有物品都来自于三星堆遗址，它们能追溯到3000至5000年前。According to the expert，the te

24、mple has a history dating back to the early Tang Dynasty.那个专家说这座寺庙历史悠久，可追溯到初唐时期。My interest in stamp collecting dates back to/dates from my schooldays.我从学生时代就开始爱好集邮。【点津】date back to和date from一般不用于进行时态。作后置定语时，常用现在分词。学以致用2完成句子人类历史可以逆溯到冰川时代。The history of humanity may _ the Ice Age.他对美术的兴趣可以追溯到孩童时代的一件小

25、事。His interest in the art can _ a little accident in his childhood.这是一栋追溯至16世纪的古老建筑物。This is an old building _ the 16th century.答案：date back todate back todating back to/from fed up with受够了；饱受；厌烦(1)feed sb./sth.on/with sth.用喂fed up吃得过饱，极其厌倦feed sth.to sb./sth.喂给feed on sth.(动物)以为食，靠活feed up养肥；使厌倦(2)

26、be tired of厌烦People are fed up with all these traffic jams.人们厌烦所有这些交通堵塞。You look fed up.Whats the matter?你满脸不高兴的样子，怎么啦？What does this bird feed on?这只鸟用什么来喂养？学以致用3语境填词：用feed短语的适当形式填空Usually we _ children _ milk.Thats to say，we often _ milk _ our children.At last this makes them _ it.答案：feed；on/with；f

27、eed；to；fed up with If only she had looked ahead and planned better this year!她今年要是早有预见，计划得更好些就好了！此句用了虚拟语气。if only.意为“要是就好/但愿”(1)if only.could/would/mightdo.表示对将来事情的愿望(不用should)(2)if only.did.表示与目前或现在事实相反的愿望(3)if only.had done.表示与过去事实相反的愿望If only I had more time，I could finish my assignment.我要是有更多的时间

28、就好了，那我就可以完成我的任务。If only we had come a few minutes earlier!要是我们早来几分钟就好了！I had no information about my son.If only I hadnt said those tough words to him.还没有我儿子的消息。要是我没对他说那些太严厉的话就好了。If only the whole family could be united during the Spring Festival!今年春节全家能团圆就好了！【辨析】if only/only ifif only表示“但愿，要是就好了”，句子用虚拟语气，表达强烈的愿望或遗憾only if表示“只有”，引导条件状语从句，不用虚拟语气。若其引导的从句置于句首，且与主语间没有逗号隔开，则主句用倒装语序学以致用完成句子要是他能给我回信就好了。If only he _ to my letter!要是他在这里就好了。If only he _ here.要是我没有告诉他这个坏消息多好。If only I _ him the bad news.答案：would replywerehadnt told