1、Unit 4 Astronomy:Can you find out the words about the astronomy?The scientific study of the stars is _.The person who studies the astronomy is _3._ is the layer of air round a planet4.solar system 5._ 宇宙大爆炸6._:burst7._彗星,_ 望远镜astronomyastronomerAtmosphereBig bangexplodecomettelescopetelescopeCan you
2、 find the words about the physics?1._:hard or firm 固体;坚固的 _ 液体 2._ 溶解 3._ 地心引力;重力 4._ 力量 5._ 漂浮 6._ 质量 solidliquiddissolvegravityforcefloatmassCan you find the words about the chemistry?_ 生物化学_ 碳_ 二氧化物_ 氮Biochemistrycarbondioxidenitrogena Chinese.a Chinese.an astronautan astronautShenzhou Shenzhou O
3、ct.16,2003Oct.16,2003malemaleYang LiweiYang Liwei-Space Hero;the First Chinese to spaceA picture taken by Yang Liwei Shenzhou VIShenzhou VIOct.16,2005Oct.16,2005Nie HaishengNie HaishengFei JunlongFei JunlongWhat are the names of the eight planets that circle our sun?What is their order from the sun?
4、The Solar SystemThe Solar System1111THE SOLAR SYSTEM Can you name each planet correctly using the letters given in the table below?地球地球 _ 木星木星 _ 火星火星 _ 水星水星 _E.海王星海王星 _F.土星土星 _G.天王星天王星 _H.金星金星 _EarthJupiterMarsMercuryNeptuneSaturnUranusVenusOn which planet are there On which planet are there lives a
5、t present?lives at present?Earth1.How old is the universe?2.How old is the earth?3.Which were the first creature or plants on earth?4.Do you know what the order for the development of plants and animals is?Several billion years ago.Between 4.5 and 3.8 million years ago.Very small air-breathing creat
6、ures.Free TalkAncient Chinese had their own ideas Ancient Chinese had their own ideas about how life began on the earth.about how life began on the earth.Do you know these stories?Give an Do you know these stories?Give an example,please.example,please.How life began on the earth?How life began on th
7、e earth?Nuwa makes human being from the clay(粘土粘土).Pangu separates the sky from the earthA belief in most Christian countries:evolutionGod createdthe world 上帝创世论Fast readingA brief _ on how theuniverse _ and how life _ on the earth.introductionintroductiondevelopeddevelopedbeganbeganAccording to a w
8、idely accepted theory,the universe began with a _that threw matter in all directions.It was not immediately obvious that _was to be fundamental to the development of _.They are putting too much CO2 into the atmosphere,which prevent _ from escaping from the earth.Task one:Fill in the blanks after lis
9、teningAccording to a widely accepted theory,the universe began with a _that threw matter in all directions.It was not immediately obvious that _was to be fundamental to the development of _.They are putting too much CO2 into the atmosphere,which prevent _ from escaping from the earth.Task one:Fill i
10、n the blanks after listeningwater life“Big Bang”heat Careful readingPara 1:Para 2:Para 3:Para 4:Para 5:A widely accepted theory about the formation of the universe.The formation of the earth.The importance of water for life.The development of plants and animals on the earth.The arrival of humans and
11、 their impact on the earth.Read the passage carefully and analyse its structure.earth,atmosphere and waterlife developmenthuman beingsThe text can be divided intoPart one:The development of earth itself.Part two:The development of life.Life in the water Life on the landOrder of writing:Summarytwo pa
12、rtsChronological(time)Whats the writing style of the text?A.Narrative 记叙文B.Explanation 说明文C.Essay 散文11111111111111111111111111111111111111111111111111111111Lets get to know how life began on the earthTask two:Read paragraph 1-3 quickly by yourselves.After the“Big Bang”,what happened on the earth?for
13、 several billion years after“Big Bang”between4.5 and 3.8 billion years agoWhat happened on the earth at that time?what did the explosion produce?A cloud of dustA cloud of dustsettle into a settle into a solidsolid globe globeExplodeExplodewith fire&rockwith fire&rock(produce C,N(produce C,N2 2,H,H2
14、2O,and other gases)O,and other gases)madeatmosphereatmospherewater appearedwater appeared Cool downCool downLife began on the earthLife began on the earthWhat did the water do on the earth?dissolve harmful gases into dissolve harmful gases into Read paragraph 4 and 5 quickly,and find out the order o
15、f development of life on the earthwhat kind of life form appeared first?small plants on the watersmall plants on the watershellfish&other fishshellfish&other fishGreen plants began to grow on landinsects andinsects and amphibiansamphibianscan live on land and in the watercan live on land and in the
16、waterthe plants grew into foreststhe plants grew into forestsreptilesreptileslay eggslay eggsthe age of dinosaursthe age of dinosaursmammalsgive birth to young baby animals and produce milkclever animalsclever animalshuge,exist for over 140 million yearshuge,exist for over 140 million yearsLets revi
17、ew the evolution of life on the earth.After the“Big Bang”,the earth was full of water.Original cells appeared in the ocean.The cells in the water began to separate.Marine animals came into being.Some animals(amphibian&insects)came to land.Reptile appeared.dinosaurs mammalsMan had evolved from apes.T
18、he Big BangwaterSmall plantsinsects and amphibians land onReptiles on landmammals advanced mammalsdinosaursWhat problem are these clever animals What problem are these clever animals causing?causing?They are putting too much COThey are putting too much CO2 2 into the atmosphereinto the atmosphere Wh
19、y did the plants grow before the Why did the plants grow before the animals came?animals came?2.Why is it wrong to show films with 2.Why is it wrong to show films with dinosaurs and people together?dinosaurs and people together?Pair-workDo you have more questions after reading the text?Discuss them
20、with your partner.Why did the plants grow before the Why did the plants grow before the animals came?animals came?2.Why is it wrong to show films with 2.Why is it wrong to show films with dinosaurs and people together?dinosaurs and people together?Pair-workBecause plants provide oxygen and food for
21、animals.Because dinosaurs died out long before human being developed on the earth.What will happen when we put too What will happen when we put too much CO2 into the atmosphere?much CO2 into the atmosphere?greenhouse effect greenhouse effectglobal warmingglobal warminganimals will die outanimals wil
22、l die outplants will die outplants will die outThere will be no life on the earthThere will be no life on the earthDiscussionrise of the sea levelrise of the sea levelicebergs and glaciers melticebergs and glaciers meltA United Nations Climate Change Conference will be held next month.Our class is g
23、oing to write a letter to the conference.What would you like to say in the letter?Do you have any good ideas about how to prevent Global Warming?Please form a group and discuss.One Earth,One HomeHeal the worldMake it a better placeFor you and for me and the entire human racePhrases and Useful Expres
24、sionscircle around 绕绕转转according to 根据根据 a widely accepted theory 熟知的理论熟知的理论in all directions 向着四面八方向着四面八方 in time 及时；终于及时；终于cool down 冷却冷却be fundamental to 对对关键关键a chain action 连锁反应连锁反应 make it possible forto do使使可能可能 give birth to 生育生育11.prevent from 阻止阻止做做12.millions of years to come 未来的几百未来的几百万年
25、万年L6:What it was to become was uncertain until betweenago when the dust settled into a solid globe.L10:They were in time to produceL18:It was not immediately obvious that water was to be fundamental to the development of life.L47:They are putting too much carbon dioxide into the atmosphere,which pre
26、vents heat from escaping from the earth into space.Difficult SentencesHomeworkRead the text after class.Find more solutions to global warming.Finish the exercises in the paper.1、再长的路一步一步得走也能走到终点，再近的距离不迈开第一步永远也不会到达。2、从善如登，从恶如崩。3、现在决定未来，知识改变命运。4、当你能梦的时候就不要放弃梦。5、龙吟八洲行壮志，凤舞九天挥鸿图。6、天下大事，必作于细；天下难事，必作于易。7、
27、当你把高尔夫球打不进时，球洞只是陷阱；打进时，它就是成功。8、真正的爱，应该超越生命的长度、心灵的宽度、灵魂的深度。9、永远不要逃避问题，因为时间不会给弱者任何回报。10、评价一个人对你的好坏，有钱的看他愿不愿对你花时间，没钱的愿不愿意为你花钱。11、明天是世上增值最快的一块土地，因它充满了希望。12、得意时应善待他人，因为你失意时会需要他们。13、人生最大的错误是不断担心会犯错。14、忍别人所不能忍的痛，吃别人所不能吃的苦，是为了收获别人得不到的收获。15、不管怎样，仍要坚持，没有梦想，永远到不了远方。16、心态决定命运，自信走向成功。17、第一个青春是上帝给的；第二个的青春是靠自己努力的。
28、18、励志照亮人生，创业改变命运。19、就算生活让你再蛋疼，也要笑着学会忍。20、当你能飞的时候就不要放弃飞。21、所有欺骗中，自欺是最为严重的。22、糊涂一点就会快乐一点。有的人有的事，想得太多会疼，想不通会头疼，想通了会心痛。23、天行健君子以自强不息；地势坤君子以厚德载物。24、态度决定高度，思路决定出路，细节关乎命运。25、世上最累人的事，莫过於虚伪的过日子。26、事不三思终有悔，人能百忍自无忧。27、智者，一切求自己；愚者，一切求他人。28、有时候，生活不免走向低谷，才能迎接你的下一个高点。29、乐观本身就是一种成功。乌云后面依然是灿烂的晴天。30、经验是由痛苦中粹取出来的。31、绳
29、锯木断，水滴石穿。32、肯承认错误则错已改了一半。33、快乐不是因为拥有的多而是计较的少。34、好方法事半功倍，好习惯受益终身。35、生命可以不轰轰烈烈，但应掷地有声。36、每临大事，心必静心，静则神明，豁然冰释。37、别人认识你是你的面容和躯体，人们定义你是你的头脑和心灵。38、当一个人真正觉悟的一刻，他放弃追寻外在世界的财富，而开始追寻他内心世界的真正财富。39、人的价值，在遭受诱惑的一瞬间被决定。40、事虽微，不为不成；道虽迩，不行不至。41、好好扮演自己的角色，做自己该做的事。42、自信人生二百年，会当水击三千里。43、要纠正别人之前，先反省自己有没有犯错。44、仁慈是一种聋子能听到、
30、哑巴能了解的语言。45、不可能！只存在于蠢人的字典里。46、在浩瀚的宇宙里，每天都只是一瞬，活在今天，忘掉昨天。47、小事成就大事，细节成就完美。48、凡真心尝试助人者，没有不帮到自己的。49、人往往会这样，顺风顺水，人的智力就会下降一些；如果突遇挫折，智力就会应激增长。50、想像力比知识更重要。不是无知，而是对无知的无知，才是知的死亡。51、对于最有能力的领航人风浪总是格外的汹涌。52、思想如钻子，必须集中在一点钻下去才有力量。53、年少时，梦想在心中激扬迸进，势不可挡，只是我们还没学会去战斗。经过一番努力，我们终于学会了战斗，却已没有了拼搏的勇气。因此，我们转向自身，攻击自己，成为自己最大
31、的敌人。54、最伟大的思想和行动往往需要最微不足道的开始。55、不积小流无以成江海，不积跬步无以至千里。56、远大抱负始于高中，辉煌人生起于今日。57、理想的路总是为有信心的人预备着。58、抱最大的希望，为最大的努力，做最坏的打算。59、世上除了生死，都是小事。从今天开始，每天微笑吧。60、一勤天下无难事，一懒天下皆难事。61、在清醒中孤独，总好过于在喧嚣人群中寂寞。62、心里的感觉总会是这样，你越期待的会越行越远，你越在乎的对你的伤害越大。63、彩虹风雨后，成功细节中。64、有些事你是绕不过去的，你现在逃避，你以后就会话十倍的精力去面对。65、只要有信心，就能在信念中行走。66、每天告诉自己
32、一次，我真的很不错。67、心中有理想 再累也快乐68、发光并非太阳的专利，你也可以发光。69、任何山都可以移动，只要把沙土一卡车一卡车运走即可。70、当你的希望一个个落空，你也要坚定，要沉着！71、生命太过短暂，今天放弃了明天不一定能得到。72、只要路是对的，就不怕路远。73、如果一个人爱你、特别在乎你，有一个表现是他还是有点怕你。74、先知三日，富贵十年。付诸行动，你就会得到力量。75、爱的力量大到可以使人忘记一切，却又小到连一粒嫉妒的沙石也不能容纳。76、好习惯成就一生，坏习惯毁人前程。77、年轻就是这样，有错过有遗憾，最后才会学着珍惜。78、时间不会停下来等你，我们现在过的每一天，都是余生中最年轻的一天。79、在极度失望时，上天总会给你一点希望；在你感到痛苦时，又会让你偶遇一些温暖。在这忽冷忽热中，我们学会了看护自己，学会了坚强。80、乐观者在灾祸中看到机会；悲观者在机会中看到灾祸。
