B2U4_Animal_Extinction.ppt

1、Wildlife protection Using language,Whats your impression of the dinosaur?,Large/huge,strong,fierce,violent,cruel,They _a long time ago.,disappeared,/died out,What happened to them?,Animal Extinction,/became extinct,disaster? climate changing? over hunting? ,What might be the reasons for their extinc

2、tion?,Guessing,words and expressions,extinction 灭绝，灭亡 tens of millions of 数千万 secure 安全的 come into being 产生，形成 dinosaur 恐龙 inspect 检查，视察 incident 事件， 事变 according to 根据，依据 set a trap 设陷阱，设圈套,1 When did the dinosaurs live?,Read the text, and answer questions.,Step2: Finding details,Tens of millions o

3、f years ago, long before humans came into being.,They died out suddenly about 65 million years ago.,2 When did the dinosaurs disappear?,3.What are the special characters of the new species of dinosaurs? How did the scientists know that?,They are bird-like dinosaurs. They can not only run like the ot

4、hers but also climb trees. The scientists learned this from the way the bones were joined together.,Why dinosaurs died out suddenly?,1. What are the scientists opinions?,2. What is your idea on the extinction of dinosaurs?,Dinosaurs lived on the earth _ human _ and their future seemed _ at that time

5、. There were many different kinds of dinosaurs and a number of them _ live in China. Not long ago, scientists _ the bones of a rare new species in Liaoning, and they were _ to find that the species can both run and climb trees. Dinosaurs _ suddenly about 65 millions years ago. _ _some scientists, it

6、 came after an _ _, while others think the earth got _ hot for them to live on any more, but nobody knows _ why and how they _.,Step 3 Consolidations,before,came into being,secure,used to,inspected,surprised,died out,unexpected,incident,too,for sure,disappeared,According to,long before “很久之前”，引导_从句。

7、 It will be long before +从句(很久之后才) It will (not) be long before +从句(不久就.) 从句用一般现在时或一般过去时, 主句用一般将来时或一般过去将来时。,Language points,1. They lived on the earth tens of millions of years ago, long before humans came into being,时间状语,Ex. It _ long before we_ the result Of the experiment. A. will not be; will kn

8、ow B. is; will know C. will not be; know D. is; know,拓展：before long 不久以后soon _ he got married. He had worked in the factory _ he got married.,Before long,long before,on the earth 在地球上。在earth, sun, moon等表达世界上独一无二的名词前，要加the。 on earth 究竟，到底；在世界上 你到底为什么不跟我说实话？ _,Why on earth didnt you tell me the truth?

9、, come into being,:形成, 产生, 漏油事件危害到了许多海鸟的生存，这促使了许多以保护鸟类为目标的 社会团体形成,_with oil spills _many sea birds, which has encouraged societies to _, whose _ is to save the birds,Incidents,harm,come into being,goal, 我们的学校是1997年建立的, Our school _ in 1997,A B,set up,was set up, Our school _ in 1997,came into being,

10、A B,was come into being,come into being 不可以用被动语态,There is a story about how the word “ sandwich”_ A came into being B was came into being C came to power D was came to power,A,区别 come into being appear arise,1)I dont know what to do if a new situation _.,2)He didnt _ until six oclock.,3)When did the

11、 world _?,arises,appear,come into being, according to,: 按照，根据.所说, 根据标题和图片, 这篇文章主要讲的是什么内容？,What is the main idea of the passage _ the _ and the pictures,according to,title, We are paid _ how much work we did., _ many old people, he likes this kind of song.,A B C D,according to,according to,as a resul

12、t of,With the help of,In common with,野生动植物保护基金会定期视察大熊猫保护区，结果 那里的大熊猫得到了 很好的保护。 他们确保任何大熊猫捕猎者会受到惩罚，毫不留情。,The WWF _ the panda_ regularly _ the pandas there are well protected. They make sure that anyone who _ a panda will be punish _,inspects,reserve,so that,hunts,without mercy,so that,“结果”,引导结果状语从句, Pl

13、ease speak loudly and clearly so that,“为了”,引导目的状语从句, sothat,“如此以至于”, Every body lent a hand so that, The flying carpet travelled so fast that next minute they were in Zimbabwe,the work was finished ahead of time.,(结果),everyone can hear you,(为了),so that,Consolidation,Translate the following sentences

14、: 1.保护野生动物，人人有责。 2.如释重负，Daisy突然笑了起来。 3.我们应该注意天气的变化情况。 4.不久，夏天就要来了。 5.没有人知道恐龙是怎么样在这么短的时间内从地球上消失的。 6. 我们应该根据自己的兴趣爱好选择专业（major）。,The Story of the Dodo,Once upon a time Spear Set a trap,Who killed Dodo?,Did dodos die out by accident?,Was there someone who killed dodos.,_, I live on the Island of Mauriti

15、us. We went _ and I _ food with Man. However, I began to wonder why several of my dodo friends _. I believed him but when more dodos _ I set a trap. My motto: _.,Listen and fill in the blanks:,Once upon a time,everywhere together,shared,had disappeared,disappeared,Be careful who you trust,Tibetan an

16、telope,藏羚羊,Official Mascots （吉祥物）of the Beijing 2008 Olympic Games,What do you think of those poachers（偷猎者） action?,In the 1980s and 1990s, some 20,000 Tibetan Antelopes were killed by smugglers（走私者）each year to get the animals valuable hair for shawls（披巾）. A shawl of that kind can be sold for as much as 30,000 US dollars.