2019人教版高二英语book8 unit5 using language ppt(共37张PPT)教育精品.ppt_图文


Book 8
Unit 5 Meeting your ancestors

Words preview
yogurt n. 酸乳酪;酸奶 radioactive adj. 放射性的;有辐射能的 radioactivity n. 放射性 applaud vi. & vt. 鼓掌欢迎;赞赏 accelerate vi. & vt. 加速;促进 arrest vt. 逮捕;吸引 n. 逮捕;拘留

Words preview
relief n. 减轻或解除; 减轻痛苦的事物 division n. 分割;分配;分界线 affection n. 恋爱;喜爱 affectionate adj. 充满深情的;有爱心的 patient adj. 耐心的。忍耐的 skilful adj. 有技巧的;熟练的 punctuation n. 标点符号

Expressions preview
look ahead 向前看; 为将来打算

Listening, Speaking and Reading

1. Listen to Part 1 of the tape and fill the layers in the “wastepaper basket” diagram below.
used envelopes wastepaper yogurt pots

orange skin

The waste paper basket

Listen to Part 2 and complete the passage.
It uses radioactivity to measure the amount of _______ carbon in the living things. The ________ _________ carbon in a dead body disappears at a ____ fixed rate. We know how long that takes, so we can measure the amount of carbon ______ and ________ work out how old a bone is.

Answer key for Exercise 3:
Look at this archaeological drawing of a section showing buildings at different times and work out the order in which they were built.

The oldest building is ___,because it B has no layers underneath it. C The second oldest building is ____, because it has one layer underneath it. That layer is the remains of the building in B. The most recent building is building ___. A It has two layers underneath. They are the remains of buildings B and C.

THE FEAST: 18, 000 BC

Scanning
What kind of food did Lala’s family prepare for the feast? Key: nuts, fruit, fish, the deer and pig meat.

Skimming
Please decide whether the statements are true or false. 1 Lala’s family groups usually lived _______ together. separately 2 Dahu was good at making tools. 3 The family groups lived on hunting . 4 Dahu went out to sharpen the scrapers to kill an enemy. scrape the fish ___________

F

T T F

In pairs work out which jobs Dahu did and which LaLa did.

DAHU: catch fish, repair stone tools, make scrapers and axe-heads LALA: collect fruit and nuts, prepare food

Read the passage again and try to figure out the work divisions between men and women. Men’s tasks 1 2 Fishing 3 4 5 Women’s tasks 1 2 3 4 Preparing food 5

Men’s tasks 1Making and repairing tools 2 Fishing

Women’s tasks 1 Collecting nuts, fruits and water 2 Cutting up meat and fish for cooking 3 Cutting down 3 Preparing skins trees to make clothes 4 Hunting animals 4 Preparing food 5 Protecting the 5 Looking after group from harm children

北京人
▲ 北京猿人的化石首次发现于1927年
▲ 1929年12月2日发现第一个完整的头盖骨

▲ 到1937年已发现的北京人的头盖骨共5个。
▲ 1941年12月太平洋战争爆发后,在几个美

国人手里弄得下落不明。
▲ 1966年又发现一个残破的头盖骨。 ▲ 总共发现了属于40多个个体的北京人化 石。时间距今约七十万年至二十万年。

北京猿人的特征
● 能够制造和使用劳动工具 ● 能使用天然火 ● 摆脱了杂交的婚姻形态

● 生活艰苦,寿命比较短暂

北 京 猿 人 复 原 图

北京人头盖骨化石

北京人使用过的石器

北 京 人 石 器 制 作 法

北京人生活想象图

山顶洞人
▲ 距今时间:18000年前 ▲ 地点:北京周口店龙骨山山顶洞穴 ▲ 体形:同现代人大体一样,脑容量: 1300——1500毫升 ▲ 生产和生活: 开始采用磨制和钻孔技术制造石器、骨 器制造骨针,缝制兽皮衣服产生了原始 宗教仪式过着氏族公社的生活

山 顶 洞 人 头 骨

山顶洞人

山顶洞人的生活用具——骨针
1933年北京市房山 县周口店龙骨山山顶洞 出土。 骨针长8.2厘米,孔 径0.31-0.33厘米。这是 中国已发现的时代最早 的骨针之一,其针身保存完好,针孔处破 裂,针尖锐利,表面有刮磨痕迹。针孔是用 尖状器刮挖而成。

Words and expressions
1. If only it could be just like last year! 要是能像去年那样就好了!

If only 但愿......; 要是……就好了。其 后一般用虚拟语气。 If only she had looked ahead and planned better. If only he had come.

2. applaud: v. to express approval of (someone or something) especially by such clapping. 赞赏, 鼓掌向(某人或某物)
表示赞赏, 尤指鼓掌欢呼

Everyone applauded when the play ended.
演出结束时, 大家都热烈鼓掌。

I applaud your decision.
我赞成你的决定。

? ( ) He felt so proud as the audience were shouting loudly ___ his performance. ? A. to applaud B. applauding C. cheering D. to cheer 【解析】A 考查动词词义辨析及非谓语动词的用 法。applaud 意为“赞许”。从前文的felt so proud 可以看出他的表演得到了观众的认可。 to applaud… 是shouting loudly 的目的。 Cheer “向……欢呼/喝彩”与shout 意义重复。

3. accelerate v. to increase the speed of 加速,
目前您打算如何加快这方面的技术研发?

How do you plan to accelerate the development of these technologies?
他决定加快他的课程进度。

He decided to accelerate his courses.

4. arrest: 吸引(某人的注意);逮捕
花的艳丽色彩引起苏珊的注意。

The bright colors of the flowers

arrested Susan’s attention

? ( ) The criminals _____ and would be soon sentenced to death. ? A. are arrested B. were arrested C. being arrested D. has been arrested ? 【解析】B 考查动词的时态。由后半句
的过去将来时推知罪犯已经被逮捕了, 所以用一般过去时的被动语态。

5. dizzy: having a whirling sensation and a tendency to fall 眩晕的, 眼花的感到眩晕
并要摔倒的

a dizzy height 令人晕眩的高度 The old woman was dizzied by the strong wind.
那位老太太被风吹得头昏眼花。

The disaster dizzied his brain.
那场灾难弄得他头脑昏乱。

6. Abruptly she sat down, only to be scooped up by her laughing, shouting sister, Luna. [考点] only to do 是不定式作结果状 语, 表示意料之外的结果。

[考例] He hurried to the booking office only ______ that all the tickets had been sold out. (陕西2006) A. to be told B. to tell C. told D. telling [点拨] tell与句子的主语he之间构成逻辑 上的动宾关系。

Speaking
Discuss with your group and practice using two or more adjectives to describe

the Sanxingdui Ruins objects on page 44.

Homework :
Write a paragraph about each object in a formal style. When you have finished, exchange your writing with your partner and help each other by making useful suggestions on content, grammar, spelling and punctuation.


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