unit 5 Meeting Your Ancestors.doc

高二英语 选修八 时间：2012-05-18Unit 5 Meeting Your AncestorsLanguage points（课中学习）Teaching aims:1. Learn some important points in the article.2. Recite important sentences in the text.Presentation:1. Can you think of the alternatives we would use today?你能想出今天我们使用的已改进的代替品吗？we would use today是_从句，修饰 alternatives.alternative n. 可能的选择 adj. 供选择的，其他的The judge offered him the alternative of a fine of six months in prison.have no alternative but to do sth.=have no choice but to do sth. 除之外别无选择I have no alternative but to sell my car. 我别无选择只有卖掉汽车。2. You must be aware that its her that we found evidence of some of the earliest people who lived in this part of the world.你们想必都很清楚，正是在这个地方，我们找到了居住在世界上这个部分最早人类的证据。【句法分析】：本句为复合句，第一个that 引导_从句，这个从句中包含了一个_句式，其中又含有一个_从句。be aware that知道，注意到 be aware of 知道，意识到每个人都意识到了这项技术很重要。_3. Im sorry to interrupt you but how could they live here?很抱歉打断你，请问他们怎么能够住在这个地方呢？(1) I am sorry but 是用来向别人礼貌的解释情况的一种表达方式。(2) interrupt vt&vi. 打断，中断，打扰It is not polite to interrupt when someone is talking.在别人讲话时插嘴是不礼貌的。In class, i interrupted my teacher to ask a question. 在课堂上我打断老师的讲话问了一个问题。【练习】The bell _ the end of the period rang, _ our heated discussion.A. indicating; interrupting B. indicated; interrupting C. indicating; interrupted D. indicated; interrupted4. So we think it is reasonable to assume they lived in these caves, regardless of the cold.因此，我们认为来假设他们不管多么寒冷都居住在这些洞穴里是合理的。【句法分析】：it is reasonable to assume they lived in these caves, regardless of the cold 在句中是_从句，其中it 在从句中是_, to assume是真正的_.assume （1） 假设，假定我想你总是在同一个时间起床。_(3) 承担，采用 to assume new duties 承担新的职务regardless of 不管，不顾Hw says what he thinks, regardless of other peoples feelings.他想到什么就说什么，毫不考虑别人的感受。To save the drowning child, the boy plunged into the icy water without hesitation, _ his own safety.A. depite of B. regardless of C. unware of D. because of 5.It must have been very uncomfortable.这一定会很不舒服。【句法分析】must have done 对过去所发生事情的肯定推测。他肯定出去了，因为灯都关了。_ 【链接】should have done sth. 本应做某事而没做 shouldnt have done sth.本不应该做某事而做了 could have done sth. 本能够做某事而没做 neednt have done sth. 本不必做某事而做了 ought to have done sth. 本应该做某事而没做【练习】The teacher _ have thought Johnson was worth it or she wouldnt have wasted time on him, I suppose .A. should B. can C. would D. must6. We have discovered fireplaces in the centre of the caves where they made fires.我们发现在洞穴的中央有生火用的火炉。where 引导_ 从句，修饰the caves, 在从句中充当_.make fire 生火 Lets make a fire in the house. Its too cold.7. 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，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】(1) have been doing 现在完成进行时，表示动作从过去开始，一直持续到现在，并且很可能继续持续下去。It has been raining for 3 days.雨已经下了三天了。整个一上午我们一直在刷房子。_(2) 句中的which 引导了_从句，which 在句中做_.,其中keep the fire burning为复合结构:keep +宾语宾补他让我等了半个小时。_【练习】All the neighbors admire this family _ the parents are treating their child like a friend.A. why B. where C. which D. that 8We havent found any doors but we think they might have hung animal skins at the cave mouth to keep out the cold during the freezing winter.我们还没有找到门，但我们认为他们可能把兽皮挂在洞口在严冬里防寒。【句法分析】they might have hungthe cold 在句中是_从句， 省略了连词that. keep out 关在门外,不准入内；保留；留出别让烟进来。_9. Wow! Did they wear clothes made entirely of animal skins?哇！他们穿的衣服都是由兽皮做成的吗?【句法分析】made entirely of animals skins 是_做_, 表示被动。The book written for children is popular with the children.这本为孩子们写的书很受欢迎。【练习】Linda worked of for the Minnesota Manufacturing and Mining Company,_ as 3M.A. knowing B. known C. being known D. to be known 10. It seems that they used the sharpened stone tools to cut up animals and remove their skin.看样子他们是用磨尖的石器切割野兽并剥皮。cut up 切碎，剪碎，使伤心，使悲痛He has to have his food cut up for him.他需要有人替他把食物切碎。归纳总结：cut away (from sth.) 从某物上切除，砍掉 cut down 砍倒；削减 cut in 打断，插嘴 cut off 总段，切断 cut out 裁剪，删除，删去 A. cut out B. cut off C. cut up D. cut through2). Please _ the food before feeding it to the baby. A. cut in B. cut up C. cut out D. cut down11. After that they would rub an ample amount of salt onto the skin to make it soft.然后，他们可能在兽皮里边擦上大量的盐，使皮变得很柔软。【句法分析】make it soft 为 “make+宾语+宾语补足语”形式，即make 的复合结构；it 是形式宾语， 后面的不定式短语是真正的宾语。He found it more difficult to compose good music.他发现创作好的音乐更难。I think it important to learn English well. 我觉得学好英语是很重要的。【练习】My parents have always made me _ about myself, even when I was twelve.A. feeling well B. feeling good C. feel well D. feel good12. Did early people really care about their appearance like we do?like 在句中用作连词，引导一个方式状语从句。care about 关心，在乎，通常用于否定句，疑问句和条件句中。She doesnt care aout clothes. 拓展：care for 喜欢，照顾，不用于被动语态I dont care for basketball.13. as the botanical analyses have shown us, all the fields around here usede to be part if a large shallow lake.正如植物学的分析结果告诉我们的，这儿四周曾经是一个很大的浅水湖。As引导_从句，意思是正如。As we all know, the earth is round. 众所周知，地球是圆的。As is known to all, the U.S is made up of 50 states. 众所周知，美国是由50个州组成的。_ I explained on the phone, you request will be considered at the next meeting.A. when B. After C. As D. Since 14. Davidson Black was a Canadian doctor who organized the excavation that led to the discovery of the bones in the Zhoukoudian caves near Beijing.戴维森.布莱克是一名组织这次挖掘并找到在北京附近的周口店洞穴里的遗骨的加拿大医生。【句法分析】who organized the excavation 是_从句，修饰_, 同时句中还含有一个that 引导的_, 修饰_, that 在句中做_.【回顾】lead to (1) 导致他的粗心导致了这次事故。_(2) 通过，通向All roads lead to Rome. 条条大路通罗马。15. Somehow he cycled thirty mile to Dr Black because there was no alternative means of transport. 不管怎么说，他骑车三十英里去向布莱克博士报告，因为在但是没有其他的交通工具。Somehow adv. 以方式， 莫名其妙的，不知怎么的Somehow he was afraid of her.拓展: anyhow = anyway adv.无论如何，至少，反正 Somewhat adv. 有点儿，有几分，稍微It may snow, but anyhow I will