【導(dǎo)讀】Wheredoweefrom?Howwillitend?Pleasecheckthat…Youneed…Don’tfetto…You’dbetter…Makesureyou…Watchoutfor…Youmustn’t…Myproblemis…Thedifficultyis…Mytroubleis…Thequestionis…Myadviceis…Thefactis…Mysuggestionis…astronomy,atmosphere,system,violent,solid,explode,carbon,dioxide,oxygen,surface,pla,harmful,development,spread,method,depend,exist,presence,telescope,disappoint,disappointed,publish,publishing,gravity,force,gradually,cheer,float,mass. astronomer,biochemistry,geophysics,solar,BigBang,vapour,nitrogen,dissolve,amphibian,reptile,generally,mammal,global,et,IssacNewton,AlbertEinstein,StephenHawking,lessen,weightlessly,cabin,exhaust,exclaim. solarsystem,intime,prevent…from,dependon,cheerup,nowthat,getthehangof,break. whether,who,what,which,when,where,how,why,etc..

　　

【正文】 y were the last group of animals and they were different because they produced their young from within their bodies. Small clever animals, with hands and feet, appeared and spread all over the earth. As time went by, they covered the earth and have bee the most important animals on the pla. III Moral Education Teacher can guide the Ss to understand the text deep, making the Ss to have a scientific attitude towards science: the beginning of universe, life on the earth, the stars. Let students establish the correct outlook on life, which has great realistic meaning. Call on every student to love our earth and do something they can to protect the earth. IV Writing Techniques Characteristic 1) Lead in the topic of how life began on the earth by beginning with two questions so as to arouse the readers’ strong curiosity and interest. 2) The passage tells the readers the scientific idea in order of time. Water made everything possible on the earth. Then all kinds of plants and animals appeared. At last mankind rule the world, but they are not taking care of the earth very well. So the readers will think about a question carefully: What will our earth be in the future? 2. Writing Style The text is mon science writing, which tells the readers how the universe developed and how life began on the earth. It provides a scientific background to any investigation into space and it’s factual. It’s written in a formal way. And all the information is based on scientific research. 3. Main Idea Through the writer’s clear description, we know that how life began on the earth. It’s a long and slow process. From the passage, we know that earth is the best place for human to live on. But humans didn’t take good care of it in the past. So we are facing many environmental problems now. What should we human do? Everyone who reads the passage will think about this problem. 7 reptiles(on land) 8 dinosaurs(on land) 9 .mammals(on land) 10. small clever animals with hands and feet We should pay more attention to taking care of our earth. Taking good care of the earth means taking good care of ourselves. Step VI Homework Retell the passage according to the form.. Remember important language points. The Second Period Language study Teaching goals 教學(xué)目標(biāo) 1 Target language 目標(biāo)語言 a 重點詞匯和短語 suffer, settle , realize , worry about , have got to, tie up b 重點句子： He was very disappointed. What it was to bee was a mystery. To save money, you must use as few words as possible. c. Practise talking about problems in study or life My problem is… The difficulty is… My trouble is… The question is… My advice is… What I think about it is… The fact is… My suggestion is… 2 Ability goals 能力目標(biāo) Learn to use Noun Clauses as the subject.. 3 Learning ability goals 學(xué)能目標(biāo) Let Ss learn how to use Noun Clauses as the subject Teaching important points 教學(xué)重點 the use of Noun Clauses as the subject Teaching difficult points 教學(xué)難點 How to teach the Ss to learn to use Noun Clauses as the subject Teaching methods 教學(xué)方法 Learn grammar through practice Teaching aids 教具準(zhǔn)備 A projector A blackboard Teaching procedures amp。 ways 教學(xué)過程與方式 Step I Revision 1. Check retelling of the passage. The explosion of the earth produced water vapor, which turned into water when the earth cooled down. Water allowed the earth to dissolve harmful gases into the oceans and seas. That made it possible for life to begin to develop. The arrival of small plants encouraged the development of early shellfish and all sorts of fish. Many millions of years later the first green plants began to appear on land. Later land animals appeared. Some were insects. Others, called amphibians, were able to live on land as well as in the sea. When the plants grew into forests, reptiles appeared for the first time. Later, dinosaurs developed. They became the most important animals on the earth for millions of years. After they disappeared, mammals became more important. They were the last group of animals and they were different because they produced their young from within their bodies. Small clever animals, with hands and feet, appeared and spread all over the earth. As time went by, they covered the earth and have bee the most important animals on the pla. 2. Translate the following sentences. 1. 你遲早會成功的。 2. 我的車與你的不一樣。 3. 站在門旁邊的那個人是誰？ 4. 他總是第一個來，最后一個離開。 5. 既然你已經(jīng)長大了，你自己決定吧。 Suggested answers: 1. You’ll succeed in time. 2. My car is different from yours. 3. Who is the person standing by the door? 4. He’s always the first to e and the last to leave. 5. Now that you have grown up you can decide it yourself. Step II Word study This part is a consolidation of the words learnt in this unit. Ask the Ss to do the exercise independently. let Ss finish Part1 and 2. (3 minutes) T: Now please open your books and turn to Page 27. First let’s learn about language. Use the words you’ve learnt in this unit to fill in the blanks and plete the form with suitable words. 2. Check the answers with the whole class. 3. Give the Ss three minutes to finish Part 3. T: Divide the words into two groups. Do you know what do fierce and peaceful mean? “Fierce” means violent and angry or strong. “Peaceful” means quiet and calm. 4. Let Ss read Part 4 for a while and finish it. to Page63 Part 1 and 2. First let Ss finish them and check the answer. Key to the exercises: Part1 Across: Down: Part2 on … from multiplying that 6. Part3 can be homework if time is limited. Step III Preparation Show some example sentences on the screen. 1 A tree has fallen across the road. 2 You are a student. 3 To find your way can be a problem. 4 Smoking is bad for you. 5 “How do you do?” is a greeting. 6 What she said is not yet known. 7 That we shall be late is