【最新】高二英语(新人教版)选修8课件：Unit+5《Meeting+your+ancestors》Language+points

She was able to identify her attacker. 她认出了袭击她的人。
identification n.鉴定,辨认,确定身份,证明 identification card身份证. identifiable adj.可辨认的 identifier n.鉴定人,检验人 identical adj.相同的 be identical to /with……与……一模一样的
32.delete vt.删除 Your name has been deleted from the list. 你的名字已
从名单上删掉。
deletion n.删除 He made several deletions to the manuscript. 他在原
稿上删去了好几处。
33. album n.相册,集邮册,唱片
acute appendicitis 急性阑尾炎 Dogs have an acute sense of smell. 狗的嗅觉灵敏。 Her judgement is acute. 她的判断敏锐。 acutely adv.剧烈地,尖锐地 cute adj. 可爱的；漂亮的；聪明的，伶俐的
10.assume vt.假定,设想,承担
a photo album 相册 the band‘s latest album 这个乐队的最新专辑 debut album 首张专辑；处女专辑 stamp album n. 集邮册
34. scratch n.（刮，抓，划的）痕迹，搔，挠
vt.搔,抓,擦伤,刮坏 Try not to scratch. 尽量别挠。 John yawned and scratched his chin. 约翰打个哈欠， 挠挠下巴。 start from scratch 从头开始；白手起家；从起跑线开 始

• 五、 “may+have+done”表示对发生过的事情的推测，意思是“可能已经”或 “也许已经”，用于肯定句中。
• —What has happened to George?—I don‘t know. He may have got lost.—乔治发生 了什么事？——我不知道，他可能迷路了。
• There is nowhere to find them. Where can they have gone? 到处找不到他们， 他们可能到什么地方去呢？
• 四、 “could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能 够做某事而没有做。
• He could have passed the exam, but he was too careless. 本来他能够通过考试， 但是他太粗心。
2020/5/21
4
4.have been doing 是现在完成进行时，
• 表示动作从过去开始持续到现在，并且很可能持续下去 • 其结构为have/has been doing • It has been raining for 3 days. • 过去完成进行时表示动作从过去某一时刻开始，一直持续
• 六、 2020/5/21 “might+have+done”表示对过去事情的推测，might与may意思相同，但 7
• 七、 “would+have+done”虚拟语气，表示对过去事情的假设，意思是“本 来会做”。
• 1. I would have told you all about the boy‘s story, but you didn’t ask me. 我本来 会告诉你这个小男孩的故事，但是你没有问我。

课前自主学习 课堂互动探究
Tanzania in 1960.
Homo erectus With skeletons very similar to those of modern humans,
they were probably the first to use fire. They lived 30，000～
Period 1 Warming Up,Pre-reading & Reading
Ⅰ.单词识记
1．________v. to stop someone from continuing what they
are saying or doing suddenly 2．________adj. dirty or untidy 3．________n. the quality of being correct or true 4．________v. to think that something is true, although
Unit 5 Meeting your ancestors
More than 3 million years ago, our ancestors(祖先) were already on the march, rising on two legs to search for food, seek greener lands and, above all, to grow in body and brain. Let's meet some of them：
Homo Neanderthal
Their brains were at least as large as the average
modern humans', while their smaller bodies helped them deal with cold climates. They lived 30，000～230，000 years ago. Fossils have been found in France and Iraq since 1856.

Relics
Descriptions of the relics
Conclusions
A needle At most three centimetres long Made of bone ____.
Perhaps they cut animal skins and sewed the pieces together to make ______. clothes A Made of There was _____ trade necklace animal bones between them or they and shells travelled to the seasiห้องสมุดไป่ตู้e ______ on their journeys.
Descriptions Relics of the relics Caves Fireplaces in the centre of the caves ______ of ash Layers almost six metres thick No doors
Conclusions They might have hung animal skins ____ at the cave mouth to keep out the cold. Tigers and bears might have been their most dangerous enemies.
Conclusions Early people lived in the caves. They used fire to keep warm, cook food and scare ____ wild animals away. They might have kept the fire burning _______ all winter