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1、Unit 5Meeting your ancestors会晤祖先,核心单词1_ n可能的选择adj.供选择的;其他的2_ vt.重要性,重要意义significant adj.重要的,alternative,interrupt,assume,significance,acute,6 _ adv.以方式;不知怎么地7 _ vt.删;删除8 _ vi.拘留,somehow,delete,accelerate,arrest,applaud,11_ n挨饿;饿死starve vi.挨饿;饿死12_ n精确;准确accurate adj.准确的;精确的13_ adj.凌乱的;脏的mess n凌乱,脏14
2、_ n分析analyses pl.analyse vt.分析15._ adj.熟的;成熟的 _ vi.使成熟,starvation,accuracy,messy,analysis,ripe,ripen,高频短语1_不管;不顾2_ 至多;最多3_ 切碎4_ 受够了;饱受;厌烦5_ 向前看;为将来打算,regardless of,at most,cut up,fed up with,look ahead,6_追溯到;始于7_集中8_ 寻找9_轮流做某事10_ 禁不住做某事,date back(to.),concentrate on,search for,take turns to do sth.,
3、cant/couldnt help doing,11._不让进入12._ 由于13._ 代表14._ 尽管15._ 爆发,keep out,due to,on behalf of,in spite of,break out,典型句式1if only.要是就好_ it could be just like last year!要是能跟去年那样该有多好啊！If only she _ and planned better this year！要是她早有预见,今年计划得更好些就好了。2only to do.不定式作结果状语Abruptly she sat down,only _ by her laug
4、hing,shouting sister,Luna.她突然坐了下来,结果被爱吵闹的妹妹露娜一把抱了起来。,If only,had looked ahead,to be scooped up,3regardless of不顾,不管So we think it is reasonable to assume they lived in these caves,_.因此我们有理由认为他们不顾严寒,就住在这些洞穴里。4as引导非限制性定语从句,意为“正如”Yes,indeed,_ the botanical analyses _ _,all the fields around here used to
5、 be part of a large shallow lake.很对。正如植物学的分析结果已经告诉我们的,这儿四周曾经是一个很大的浅水湖。,regardless of the cold,as,have shown us,5had done.when.“(刚)做完了就在那时”She _ almost _ _ a delicious smell arrested her progress and she stopped.快到达目的地的时候,一阵香气扑鼻,不往前走了,她停了下来.,had,reached her destination when,单词精研1.alternative adj.nYou
6、 can be paid in cash weekly or by cheque monthly;those 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。,供选择的;其他的,可能的选择;选择对象,归纳拓展(1)an alternative to 的替代品 have no alternative but to do sth.别无选择只好做 There is 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 alternativ
7、e method 替代的方法,1)The manager said that they _ _ 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。2)I _ report him to the police.除了向警察举报他,我别无选择。3)We _ of fuel such as charcoal.(recommend)我们建议使用替代燃料,比如木炭。,had an alternative plan,had no alternative/choice but to,recommend usi
8、ng alternative sources,2.assumevIt is generally assumed that stress is caused by too much work.普遍认为,紧张是工作过重所致。,假定;设想;假装;承担,1)_that the economy will continue to improve.认为经济继续好转是有道理的。2)_ just now is true,what should we do?假定他刚才说的是正确的，那我们应该怎么做？3)_ stress is caused by too much work.普遍认为，紧张是工作过重所致。4)A l
9、ot of people _ poverty only exists in the Third World.(assumption)许多人认为贫困仅仅存在于第三世界。,It is reasonable to assume,Assuming what he said,It is generally assumed that,make the assumption that,3.interrupt vt.&vi.One person should describe his or her side,and the other person should listen without interrup
10、ting.其中一方应该描述自己的情况,而另一方应该听着,不打断对方的话。,打断讲话;打岔;暂时中断或中止,易混辨析interrupt,disturb,巧思妙解用interrupt,disturb填空(1)Its bad manners to _ others when they are talking.(2)The noise of the machine _ my sleep last night.,interrupt,disturbed,4.significance nShe couldnt grasp the full significance of what he had said.她
11、未能充分领会他那番话的意思。,意义;意思;重要性;重要意义,1)The company set up the year before _ _ to the areas economy.前一年建立的那家公司对这个地区的经济 意义重大。2)Their change of plan is strange but I dont think _.他们对计划的改变十分奇怪,但我觉得没什么意义。,its significant/of any significance,is of great significance,5.arrest n.vt.(教材P43)She had almost reached he
12、r destination when a delicious smell arrested her progress and she stopped.快到目的地的时候,一阵香气扑鼻,她停了下来。,逮捕;拘留,逮捕;吸引,1)A man _ in connection with the robbery.一名男子因与这桩抢劫案有关已被逮捕。2)The beautiful sunset _,and we stopped to watch it.美丽的日落吸引了我们的注意力,我们停下来观看。3)The young man _ for causing that serious accident.因造成严
13、重事故,这个年轻人被捕。4)Fifteen persons _ _ because of the serious violence.由于暴乱十五人被捕。,has been arrested,arrested our attention,got/was arrested,were under arrest/were arrested,跟踪训练.完成句子1_(她的笑声引起了我们的注意)and we all stared at her.2_ _(假定你有出国的好机会),what would you do?3Only later _(我们意识到真正意义)of his remark.,Her laugh
14、ter arrested our attention,Assuming you have a good chance to go abroad,did we realize the true significance,4Mr.Smith,whose twin brother charged with stealing _(被逮捕),believed that his brother was innocent.5The factory set up the year before is _(有重大意义)this areas economy.,was arrested,of great signi
15、ficance to,短语精释regardless of(教材P38)So we think it is reasonable to assume they lived in these caves,regardless of the cold.因此我们有理由认为他们不顾严寒,就住在这些洞穴里。,不管;不顾(侧重指不计后果和代价),易混辨析 regardless of,despite,in spite of,1)The club welcomes all new members _.俱乐部对所有新成员不分年龄一律欢迎.2)He says what he thinks,_.他怎么想就怎么说,不考
16、虑别人的感受。,regardless of age,regardless of other peoples feelings,2.date back归纳拓展date back todate from追溯到out of date过时的,陈旧的up to date最近的,新式的,现代的【温馨提示】date back to可以用date from来表示,它们都无进行时态,无被动语态。,追溯到,1)_ the 16th century,the old castle is still in good condition and attracts tourists from all over the wo
17、rld.(date)源自于16世纪，这座古城堡仍然状况良好而且吸引了来自于世界的游客。2)His interest in the art _ a little accident in his childhood.他对美术的兴趣可以追溯到孩童时代的一件小事。This is an old building _ the 16th century.这是一栋追溯至16世纪的古老建筑物。,Dating back to/Dating from,can date back to,dating back to/dating from,跟踪训练.完成句子1Whenever we are in trouble,we
18、 must _(向前看)and encourage ourselves.2In the end,I just _(厌烦)his constant complaining.3A new engine would cost,_(至多)two thousand dollars.4They took action to help those people whose village has been _(隔绝)by the flood.,look ahead,got fed up with,at most,cut off,5All the people should be treated with r
19、espect _(不管,不顾)their race,education and wealth.6The history of this country can _(追溯到)the Stone Age.,regardless of,date back to/date from,句型精析1.(教材P43)If only it could be just like last year!要是能跟去年那样有多好呀！句法分析本句是if only引导的一个虚拟语气从句。其结构如下：(1)if only.could/woulddo.表示对将来事情的愿望(不用should)(2)if only.did.表示对与
20、目前或现在事实相反的愿望(3)if only.had done.表示对与过去事实相反的愿望,1)I failed again.If only _ review my lessons.我又失败了。要是我有时间复习功课就好了。2)If only you _ with greater care!你工作要是再仔细一些该多好啊！3)If only the whole family _ during the Spring Festival！今年春节全家能团圆就好了！,I had had time to,had worked,could be united,易混辨析if only,only if,巧思妙解用
21、if only,only if填空(1)_ we could afford to buy a place of our own.(2)_ you practice more can you speak English well.(3)_ both sides accept the agreement will a lasting peace be established in this region.,If only,Only if,Only if,2.(教材P38)We have been excavating layers of ash almost six metres thick,wh
22、ich suggests that they might have kept the fire burning all winter.我们一直在挖掘一层层的积灰,几乎有六米厚,这意味着他们可能整个冬天都在烧火。,句法分析句中的have been doing是现在完成进行时。现在完成进行时是现在完成时的强调形式,表示动作从过去某一时间开始,一直延续到现在,可能还要继续下去,通常与表示一段时间的状语连用,如：for hours,since this morning等,其构成是“have/hasbeen现在分词”。,In order to find the missing child,villagers _ all they can over the past five hours.(do)为了找到这名丢失的小孩,最近五个小时,村民们一直在尽力寻找。We _ the car keys for the last couple of hours.(hunt)过去几个小时我们一直在找小车钥匙。,have been hunting for,have been doing,Thank you for listening!,
