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1、Unit 5 Meeting your ancestors 11 (adj.)试探性的,犹豫的2 (n.&adj.)可供选择的事物;两者择一的3 (n.)精确4 (vt.)打断5 (vt.)假定,设想6 (vt.)使锋利7 (adj.)足够的tentativealternativeaccuracyinterrupt assume sharpenample28 (adj.)原始的,简陋的9 (vt.)保存,保持10 (n.)植物学11 (n.)分析12 (adj.)详尽的,具体的13 (n.)种类,范畴14 (n.)意义,重要性15 (adv.)不知怎么地16 (vi.&vt.)鼓掌欢迎;赞赏p
2、rimitivepreservebotanyanalysisspecificcategorysignificance somehowapplaud317 (vt.)加速,促进18 (vt.)逮捕,吸引19 (adj.)眩晕的20 (n.)减轻,消除21 (n.)划分,分界线22 (n.)恋爱,喜爱23 (adj.)耐心的24 (adj.)熟练的25 (adj.)系统的acceleratearrestdizzyreliefdivision affection patientskilfulsystematic4What are they doing?excavatecollectidentify
3、and analyze 56789Who are they?Peking Man1011Peking Man SiteOne of the most significant archaeological finds in 20th century12Reading13 1.alternative n替换物替换物 There are some alternatives to our plan.有几种方案可以代替我们的计划有几种方案可以代替我们的计划。Explanation142.You must be aware that its here that we found evidence of s
4、ome of the earliest people who lived in this part of the world.想必你们知道想必你们知道,正是在这儿正是在这儿我们找到了居住在世界这个部我们找到了居住在世界这个部分最早人类的证据。分最早人类的证据。151.You must be aware that主句后接由主句后接由强调句和定语从句组成的宾语从句。强调句和定语从句组成的宾语从句。must是作为情态动词表示肯定推测是作为情态动词表示肯定推测,译作译作“一一 定定,肯定肯定”。只用于肯定推。只用于肯定推测。测。对现在或将来事实推测,用对现在或将来事实推测,用“must do”。You
5、 must be hungry after a long walk 走了很长的路走了很长的路,你一定很饿。你一定很饿。16 对正发生或进行的事进行推测对正发生或进行的事进行推测,用用“must be doing”。The light is on.He must be doing his homework now 灯亮着灯亮着,他一定正在做作业。他一定正在做作业。对过去的事进行推测对过去的事进行推测,用用“must have done”。The ground is wet.It must have rained last night.地是湿的地是湿的,昨晚一定下雨了。昨晚一定下雨了。17 2.a
6、ware adj意识到的意识到的,知道知道的。通常用作表语。的。通常用作表语。We should be aware that a lot of animals are becoming endangered 我们必须清楚地认识到许我们必须清楚地认识到许多动物正濒临灭绝的危险。多动物正濒临灭绝的危险。18 be aware of sth.知道;意识到知道;意识到 Though most smokers are aware of the dangers of smoking,they wont given up.c.its here that we 是强调句是强调句,其其基本句式是基本句式是It
7、is(was)+被强调部被强调部分分+that(who)+句子其他部分。句子其他部分。193.We have been excavating here for many years and.重点重点 have been doing 是现在完是现在完成进行时,表示到现在为止一直在成进行时,表示到现在为止一直在进行的动作,这个动作可能仍在进进行的动作,这个动作可能仍在进行,也可能停止了。行,也可能停止了。204.Im sorry to interrupt you but how could they live here?很抱歉打扰你很抱歉打扰你,我想问问他们我想问问他们是怎么在这里生活的?是怎么在
8、这里生活的?句型句型“Im sorry.but.”是口是口语中委婉的表达语中委婉的表达,“but”表示语义表示语义上的转折。上的转折。21 Are you free this weekend?Im sorry,but l have lots of work to do -周末有空吗周末有空吗?-对不起对不起,我有大量的事要做。我有大量的事要做。222)打岔打岔;插嘴插嘴It is rude to interrupt.interrupt1)阻断阻断,中断中断Dont interrupt him,for he hasnt finished yet.235.We have found human a
9、nd animal bones in those caves higher up the hill as well as tools and other objects.我们在山的比较高的洞穴里发我们在山的比较高的洞穴里发现了动物和人类的骨头以及工现了动物和人类的骨头以及工具和其他物品。具和其他物品。24as well as 1)conj.as well as 可以用来连接两个相可以用来连接两个相同的成分同的成分,如名词如名词,形容词形容词,动词动词,介词介词,通常不位于句首。意为通常不位于句首。意为“不但不但.而且而且”。She sings as well as playing the pi
10、ano.252)prep.相当于相当于besides,in addition to,意为意为“除除.之外之外”,后面通常接后面通常接名词或动词。名词或动词。As well as eating five course meals,they drank two bottles of wine.26 6.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因此我们有理由认为他们不顾寒冷住在这些洞穴里。顾寒冷住在这些洞穴里。27 assume vt.1)假
11、定:设想假定:设想 The scientists assume that there are no animals on the moon 科学家设想月球上没有动物。科学家设想月球上没有动物。2)装作装作 She assumed a look of surprise 她装出一副吃惊的样子。她装出一副吃惊的样子。28 regardless of prep.1)不管不管;不顾不顾He climbed the building,regardless of the danger 不管有多危险不管有多危险,他还是爬上了大厦。他还是爬上了大厦。2)尽管尽管We will persevere regardl
12、ess of past failures.尽管以前我们失败过尽管以前我们失败过,但仍要坚持下去。但仍要坚持下去。29 7.That would have kept them warm,cooked the food and scared wild beasts away as well.他们用这火取暖、做饭他们用这火取暖、做饭,还能用还能用火吓跑野兽。火吓跑野兽。1)would 表示猜测表示猜测,译为译为“想必想必”、“肯定会肯定会”。302)keep them warm为为keep+宾语宾语+宾语宾语补足语的结构意为补足语的结构意为“使使.处于某种状处于某种状态(情况)态(情况)”。用作宾语
13、补足语常见的。用作宾语补足语常见的词有现在分词、过去分词、形容词、副词有现在分词、过去分词、形容词、副词以及介词短语。词以及介词短语。He kept me waiting for half an hour.Keep your mouth shut and your eyes open.318.We have been excavating layers of ash almost six metres thick,which suggests that they might have kept the fire burning all winter.我们一直在挖掘一层层的积灰我们一直在挖掘一层
14、层的积灰,几乎有几乎有六米厚六米厚,这说明他们可能整个冬季都在这说明他们可能整个冬季都在烧火烧火。32 a.“have been excavating”是现在完是现在完成进行时成进行时,表示从过去开始一直延表示从过去开始一直延续到现在续到现在,强调动作的继续。强调动作的继续。I have been looking for my lost book for three days,but I still havent found it 我已经找了三天我丢的书我已经找了三天我丢的书,但仍没但仍没找到。找到。33 b.句中句中“which”用来引导非限制性定语用来引导非限制性定语从句从句,先行词为其前
15、的句子。先行词为其前的句子。c.suggest vt.“暗示暗示,意味意味,表明表明”Her pale face suggests that she was ill.她苍白的脸色表明她病了。她苍白的脸色表明她病了。The handwriting of the letter suggests that the letter might be from a lady 从书信的字体上看从书信的字体上看,写信人是一位女性。写信人是一位女性。34 但当但当suggest作作“建议建议”讲时讲时,其用法为其用法为:(+doing)I suggest her going home at once 我建议她马
16、上回家。我建议她马上回家。+(that)should doI suggested(that)she(should)go home at once我建议她要马上回家。我建议她要马上回家。35考点考点 might have done是是“情态动情态动词词+have done”,表示对过去情况的,表示对过去情况的推测。此外,推测。此外,“must/can/could/may+have done”也表示对过去发生也表示对过去发生的事情或情况的推测。的事情或情况的推测。36 A:你姐姐上哪儿去了你姐姐上哪儿去了?聚会时我没聚会时我没见到她。见到她。B:她可能和朋友游泳去了。她可能和朋友游泳去了。migh
17、t have doneA:Where was your sister?I didnt see her at the partyB:She might have gone swimming with some friends3710.Yes and so well preserved还保存得如此完好。还保存得如此完好。这是省略的句子这是省略的句子,完整句应是完整句应是:and it is so well preserved(it指指necklace)38 11.Yes,indeed,as the botanical analyses have shown us,all the fields ar
18、ound here used to be part of a large shallow lake 确实确实,正如植物学分析具体显示给我正如植物学分析具体显示给我们的那样们的那样,附近所有的土地都曾是大型附近所有的土地都曾是大型浅湖的一部分。浅湖的一部分。39 a.as引导的非限制性定语从句常译作引导的非限制性定语从句常译作“正如正如 那样那样”。As the proverb goes,“The enemy in disguise is just like the wolf in sheeps clothing.”正如谚语所说的那样正如谚语所说的那样,伪装的敌人就像是伪装的敌人就像是披着羊皮的狼。披着羊皮的狼。40 b.part 前无前无 adj.修饰时为不可数名词修饰时为不可数名词,前面前面不用冠词;其前有不用冠词;其前有adj.修饰时为可数名词,修饰时为可数名词,要用冠词。要用冠词。The blues has been part of African American culture since then and it is still an important part of American culture 自从那以后布鲁斯就已经是非美文化的一自从那以后布鲁斯就已经是非美文化的一部分部分,而且现在仍是美国文化的重要部分。而且现在仍是美国文化的重要部分。41