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1、Unit 5 Meeting your ancestors 基础落实 .高频单词思忆 1.The discovery of oil is of great (意义) to the countrys economy. 2. (不知怎么地)the thieves had managed to get in through a tiny bathroom window. 3.The mayor (称赞) the firemans bravery in his speech.,significance,Somehow,applauded,4.He was (逮捕) for stealing a car
2、. 5.I am afraid I have no (选择余 地) but to report you to the police. 6.He is very (有条理的) in all he does. 7.It is generally a that stress is caused by too much work. 8.The house was always m . 9.She took a mouthful of food and then suddenly s it out. 10.A hedge forms the d between their land and ours.,
3、arrested,alternative,systematic,ssumed,essy,pat,ivision,.重点词语再现 1. 向前看；为将来打算 2. 追溯到 3. 受够了；厌烦；饱受 4. 切碎 5. 至多 6. 不管，不顾 7. 因而逮捕某人 8. 欣慰地 9. 以为骄傲 10. 向某人求助,look ahead,date back,fed up with,cut up,at most,regardless of,arrest sb.for.,with relief,be proud of,turn to sb.for help,.典型句式运用 1.We have been exc
4、avating 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，几乎有六米厚。这意味着他们可能整个 冬天都在烧火。 （1）句中suggest的含义是“ ”。 （2）“must have+过去分词”用来表示对过去 某种情况的推测，可能性较大，意为“ ”，只用于 ，在疑问句 或否定句中常用can/could代替。,考点提炼,暗示；,意味；表明,一定、,肯定发生了某事,肯定句,2.It seems that
5、 they used the sharpened stone tools to cut up animals and remove their skin.看起来似乎是他们用尖利的石头工 具来切割动物并剥去它们的皮毛。 It seems (to sb.) that/as if. 意为： ,as if后边可 用 语气。 seem to be/like+n 似乎，好像 seem to be doing sth./to have done sth. 好像正在做/已经做了某事 seem (to be)+n./adj.似乎是 There seems to be.好像有,考点提炼,（对某人来说）似乎,虚拟,
6、3.She had almost reached her destination when a delicious smell arrested her progress and she stopped.快到达目的地的时 候，一阵香气扑鼻，她不往前走了，停了下来。 句中“had done.when.”是一 个常用句型，意为“ ”。 when表示“就在那时”意义时，常见句式及意 义如下：,考点提炼,（刚）做完了就在那,时,4.That (The fire) would have kept 饭，还可 以用火来吓跑野兽。them warm, cooked the food and scared wi
7、ld beasts away as well. 他们用火来取暖、做饭,还可以用火来吓跑野兽。 would表示猜测，意为：“ , ”，用于虚拟语气。 would,used to都表示过去习惯性的动作。 would不涉及与现在情况的对比，常带有浓厚的 感情色彩。 used to表示过去习惯性的动作或状态，但这种 习惯现在已不存在了。,考点提炼,想必,肯定会,导练互动 重点单词 1.assume So we think it is reasonable to assume they lived in these caves,regardless of the cold.(回归课本P38) 观察思考
8、I had assumed him to be a Belgian. 我本以为他是比利时人。 Dont always assume the worst. 别总往最坏处想。,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。 The court assumed responsibility for the girls welfare. 法庭承担了保障这个女孩福利的责任。,归纳总结 assume 。 (1)assume sb./sth.to be假定/假设某人/某事为 It is assum
9、ed that.被认为 (2)assumption n.假定，假设 make an assumption认为，假定 on the assumption that假定 (3)assuming that.假设/假定,v.假定，假设，设想；承担,易混辨异 assume,guess,imagine (1)assume假设，设想，认为；指很少或完全无根据的心理推测，并非合乎逻辑的推理，或指为论证而提出有一定根据的假设。 （2）guess猜测，猜想，最常用词，指毫无根据仅凭个人主观臆断或碰运气的猜测。 （3）imagine想像，指毫无根据、随意想像，可在脑海中构成清晰明确的图像。,即学即用 （1） (假定
10、 他还活着)，how old would he be now? （2） (我们假定) for a moment that the plan succeeds. （3）His actions were based on (一个错误的设想).,Assuming that hes still alive,Let us assume,a false,assumption,2.alternative alternative sharpen identify (回归课本P40) 观察思考 The way was blocked,so I went by an alternative road. 这条路被挡
11、住了，因此我走了另一条。,You 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。 Do you have an alternative solution to the problem? 你有没有别的办法来解决这个问题？,归纳总结 alternative adj. ； ； 可能 的选择；选择对象。 alternative energy可替代能源 an alternative to.的替代品 have no alternat
12、ive but to do sth.别无选择只好做 There is no alternative.别无选择,供选择的,其他的,n.,易混辨异 alternative,choice,selection (1)alternative一般强调在只有两种可能性或者行为方式之间进行的选择。 An unhappy alternative is before you.Your mother will never see you again if you do not marry Mr.Collins,and I will never see you again if you do. 摆在你面前的是个很不幸
13、的难题，你得自己去选择。如果你不嫁给柯林斯先生，你母亲就再也不想见你，而如果你要嫁给他，我就再也不愿见到你。,(2)choice泛指从一组人或物中进行的自由选择，指“选择，挑选，抉择”。 The store offers a wide choice of fruit and vegetables. 商店提供许多可供选择的水果和蔬菜。 (3)selection含有从许多可供选择的人或物中择优选拔的意思。 Parents should be careful in their selection of the movies their young children see. 家长们在为孩子们挑选电影
14、时应小心谨慎。,即学即用 （1）你可以结婚也可以仍做单身汉，任你选择。 You marrying or remaining a bachelor. （2）我提议这次假期不是爬山就是到海边去。 I offered spending the vacation in the mountains or by the sea. （3）你有没有别的办法来解决这个问题？ Do you to the problem?,have the alternative of,the alternative suggestions of,have an alternative solution,3.interrupt I
15、m sorry to interrupt you but how could they live here?（回归课本P38） 观察思考 Go on,please.I dont want to interrupt you. 请继续，我不想打断你的谈话。 World War interrupted many students study. 第二次世界大战中断了许多学生的学业。 Please dont interrupt me while I am writing. 我在写作时请不要打扰我。,归纳总结 Interrupt & ， ； 。 interrupt sb.打断某人讲话或正在做的事 interruption n.中断，打断 without interruption不间断地 cut/break into.打断，插话 put in.插嘴说（后接插入说的内容）,vt.,vi.,打断,中断,打扰,易混辨异 interrupt,disturb （1）interrupt突然中断、打断他人的言语或行为，使其不能继续。 interrupt sb.打断某人讲话或正在做的事 interruption n.中断，打断 without interruption不间断地 （2）disturb较正式用语，多
