1、Section Learning about Language&Using Language读文清障原文呈现ANIMAL EXTINCTIONMany animals have disappeared during the long history of the earth.The most famous of these animals are dinosaurs.They lived on the earth tens of millions of years ago,long before humans came into being and their future seemed se
2、cure at that time.extinction/IkstIkn/n.灭绝；消亡extinct adj.不再存在的；已灭绝的；绝种的dinosaur/daIns/n.恐龙come into being 形成；产生(相当于 come into existence)long before 远远早于，long用在 before 前表示两个动作发生的时间相隔久远。读文清障原文呈现There were many different kinds of dinosaur and a number of them used to live in China.The eggs of twenty-fiv
3、e species have been found in Xixia County,Nanyang,Henan Province.Not long ago a rare new species of bird-like dinosaur was discovered in Chaoyang County,Liaoning Province.a number of“许多的；若干的”，后接可数名词的复数形式，谓语动词用复数形式。the number of“的数量”，后接可数名词复数形式，谓语动词用单数形式。读文清障原文呈现When scientists inspectedthe bones,the
4、y were surprised to find that these dinosaurs could not only run like the others but also climb trees.They learned this from the way the bones were joined together.inspect/Inspekt/vt.检查；视察be surprised to do sth.吃惊地做某事(to do sth.是 surprised 的原因)that 引导宾语从句，从句中含有并列连词 not only.but also 连接的并列谓语，即 run 与
5、climb。the bones.是省略 that 的定语从句，修饰 the way。读文清障原文呈现Dinosaurs died outsuddenly about 65 million years ago.Some scientists think it came after an unexpectedincident when a huge rock from space hit the earth and put too much dust into the air.die out 灭亡；逐渐消失unexpected/nIkspektId/adj.没料到的；意外的incident/Ins
6、Idnt/n.事件；事变，指小插曲；事件；冲突accident 指意外事故dust/dst/n.灰尘；尘土；尘埃dusty adj.多灰尘的读文清障原文呈现live on 继续存在too hot for the dinosaurs to live on为“tooadj.for sb./sth.to do sth.”结构，意为“对来说，太而不能”。for sure 无疑地；确定地(for certain)，在句中作状语。why and how 共同引导宾语从句，作 knows 的宾语。Others think the earth got too hot for the dinosaurs to
7、live on any more.Nobody knows for sure why and how dinosaurs disappeared from the earth in such a short time.动物灭绝第 12 段译文从地球有史以来的这段漫长时期，许多动物都消失了。这些动物中最有名的是恐龙。千百万年前，恐龙就在地球上生活，比人类的出现要早得多，当时它们的前景好像也很安全。当时有许多不同种类的恐龙，其中有很多种类曾经生活在中国。25 个种类的恐龙蛋是在河南省南阳西峡县发现的。不久前，在辽宁省的朝阳县新发现了一种罕见的、形状像鸟一样的恐龙。科学家们观察它们的骨头时，惊奇地发
8、现这些恐龙不仅跟其他恐龙一样可以跑，而且还可以爬树。科学家们是根据恐龙骨骼的连接方式得知这些的。恐龙大约在 6 500 万年前突然灭绝了。有些科学家认为恐龙灭绝是发生在一次意外事故之后，当时宇宙间一块巨石击中地球，因而在空气中扬起太多的尘土。另外一些科学家则认为，地球变得太热，因此恐龙无法在地球上生活了。没有人确切地知道恐龙是由于什么原因，又是怎样在这么短的时间里从地球上消失的。读文清障原文呈现We know many other wild plants,animals,insects and birds have died out more recently.According to a U
9、N report,some 844 animals and plants have disappeared in the last 500 years.The dodo is one of them.It lived on the Island of Mauritius and was a very friendly animal.Please listen to a story of the dodo and how it disappeared from the earth.according to 按照；根据所说，介词短语，后常跟名词或动名词作宾语。some adv.大约，常用于数字前，
10、相当于 about。in the last 500 years 在过去的500 年里，用作时间状语，相当于“over/during the past 500 years”，常与现在完成时连用。第 3 段译文我们知道，近来许多其他的野生动植物、昆虫和鸟类也灭绝了。根据一份联合国的报告，在过去的 500 年里，大约有844 种动植物已经消失。渡渡鸟就是其中的一种。它生活在毛里求斯岛上，是一种非常友好的动物。请听一个关于渡渡鸟的故事，看看它是如何从地球上消失的。Choose the best answer according to the text.1The main idea of the pas
11、sage is _.Ahow dinosaurs were discoveredBabout dinosaurs extinctionCabout the history of dinosaursDabout animals dying out2From the first paragraph we know that _.Adinosaurs have recently disappearedBa number of dinosaurs used to live in CanadaCdinosaurs existence is long before humans came into bei
12、ngDdinosaurs cant climb trees as other animals do3The possible reasons for the disappearance of dinosaurs are the following EXCEPT that _.Athey lived on the earth tens of millions of years agoBit came after an unexpected incidentCthe earth got too hot for the dinosaurs to live onDnobody knows for su
13、re the reason4According to a UK report,we know that _.Asome 844 animals and plants have disappeared in the last 500 yearsBthe dodo,a very friendly animal can live longer on the earthCdinosaurs can not only run but also climb treesDtoo much dust in the air killed dinosaurs5From the whole passage we c
14、an learn that _.Aif we protect the earth well,dinosaurs cant die out quicklyBthe eggs of twenty-five species will be found in ChinaCscientists found a surprising result of the brain of the dinosaursDthe next part of the passage will be about dodos disappearance答案：15 BCAAD.单词拼写1In summer,mosquitoes o
15、ften (咬；叮)people in the evening.2I hope that you can learn something from this _(事件)3Jurassic Park is the greatest (恐龙)movie ever made.4When she was angry,she was as (凶猛的)as a tiger.biteincidentdinosaurfierce.拓展词汇1end vt.&vi.&n.结束；终止；尽头n结局；结尾2expected adj.预期的；预料的adj.没料到的；意外的3n灰尘；尘土；尘埃 dusty adj.积满灰尘
16、的4disappear vi.消失n消失5vt.检查；视察inspector n检查员；视察员inspection n检查；视察6adj.凶猛的；猛烈的fiercely adv.凶猛地；猛烈地；激烈地endingunexpecteddustdisappearanceinspectfierce巧记单词unexpectedun-expected dustydust-y派生词disappearancedisappear-ance.补全短语1come being 形成；产生2according 按照；根据所说3a number 许多4long 很久以前5used .过去常常6 sure 确定无疑地in
17、to toofbeforetofor1教材原句 After a while she saw some zebra with black and white lines going beneath their stomachs.过了一会儿她看到了一些斑马，它们身上有一直延伸到腹部的黑白相间的条纹。句型点拨“with宾语宾语补足语”常常在句中作定语或状语。佳句赏析 He stood at the door,with a computer in his hand.他站在门口，手里拿着一部电脑。2教材原句 They lived on the earth tens of millions of year
18、s ago,long before humans came into being and their future seemed secure at that time.千百万年前，恐龙就在地球上生活，比人类的出现要早得多，当时它们的前景好像也很安全。句型点拨 long before 意为“早在之前；很早；很久以前”，该短语后可以接句子、名词、代词，也可以单独使用，在句中作状语。佳句赏析 Long before the end of the school year,students begin their search for jobs during vacation.在学年还远未结束之前，学
19、生们就开始找暑期工作了。3教材原句 When scientists inspected the bones,they were surprised to find that these dinosaurs could not only run like the others but also climb trees.科学家们观察它们的骨头时，惊奇地发现这些恐龙不仅跟其他恐龙一样可以跑，而且还可以爬树。句型点拨 not only.but also.意为“不但而且”。佳句赏析 By doing so,I can not only share good ideas with others but a
20、lso learn to express myself clearly.通过这样做，我不仅能与其他人共享好的想法，而且学会了清晰地表达自己。1They lived on the earth tens of millions of years ago,long before humans came into being and their future seemed secure at that time.(P30)千百万年前，恐龙就在地球上生活，比人类的出现要早得多，当时它们的前景好像也很安全。come into being 形成；产生come into power 上台；掌权come int
21、o effect 开始生效come into existence 开始存在；形成；产生come into use 开始被使用Therefore,this new kind of shoes has come into beingrecently.因此，这种新鞋最近才问世。The new tax regulation will at the beginning of the new year.新税法将在来年年初开始生效。These animals long on the earth.这些动物很早就在地球上存在了。come into effectcame into existence句中 long
22、 before 意为“早在之前；很早；很久以前”，该短语后可以接句子、名词、代词，也可以单独使用，在句中作状语。I knew Betty long before you got married to her.早在你和贝蒂结婚之前，我就认识她了。He said that he had been to Shanghai.他说他很久以前就去过上海。long before辨析long beforelong ago“很久之前”，指过去before longsoon“不久之后”，指将来选用上述词语填空He had taught in this school the war broke out,but he
23、 had to leave the school.long beforebefore long2Some scientists think it came after an unexpected incident when a huge rock from space hit the earth and put too much dust into the air.(P30)有些科学家认为恐龙灭绝是发生在一件意外事故之后，当时宇宙间一块巨石击中地球因而在空气中扬起太多的尘土。incident n事件；事变We are unhappy at the way the press has treat
24、ed this incident.我们对新闻界处理这件事的方式感到不满。辨析incident指不太重要的事情或叙述中的一件事；有时指引起战争、争端的突发事件accident通常指不愉快、意外的不测之事，常常导致不良后果event指历史上的重大事件，国际、国内的重大事件，也可指日常的事件，还可以指体育运动的比赛项目选用上述单词填空A traffic happened yesterday,three killed and five wounded.The next will be the 100 yards race.That was one of the strangest in my life
25、.accidenteventincidents1After a while she saw some zebra with black and white lines going beneath their stomachs.(P28)过了一会儿她看到了一些斑马，它们身上有一直延伸到腹部的黑白相间的条纹。句中“with black and white.stomachs”部分是 with 的复 合结构。该结构在句中作定语修饰 some zebra。另外，它还可以在句中作状语。with 的复合结构如下：withn./pron.宾补形容词/副词/介词短语表示状态现在分词表示主动意义，强调动作正在进行
26、过去分词表示被动意义，强调动作的完成不定式表示尚未发生的动作或客观情况 A little boy with two of his front teeth missing ran into the classroom.一个掉了两颗门牙的小男孩跑进了教室。With the key (lose),he had to wait outside the door.由于钥匙丢了，他只好在门外等。With so much work (do),I have no time for a holiday.那么多工作要做，我没有时间去度假。lostto do2so that.(P31)以致于(1)以致于；结果(用于
27、引导结果状语从句)Everyone lent a hand,so that the work was finished ahead of schedule.每个人都帮了忙，所以工作提前完成了。(2)以便；为了(用于引导目的状语从句)：从句中常含有情态动词 may/might,can/could,should,would 等可与 in order that 互换I will tell you all the facts (in order that)you can judge for yourself.我会把所有的事实告诉你，以便你可以自己判断。so that.单句语法填空1The organi
28、zation came being in 1990.2He walked into the dark street a stick in his hand.3She told us about some of the amusing (incident)of her holiday.4I had heard of him long before I (come)here.课时跟踪检测_intowithincidentscame5He studied very hard,that he caught up with other students in his class.6According t
29、he teacher,well have a test tomorrow.7Hell be punished for what he did,and thats sure.8She has lived in Spain for a number years.9He was deep in thought with his eyes (fix)on the ceiling.10Because of human activities,many animals are dying.sotoforoffixedout11He used (get)up late in the morning but n
30、ow he often gets up early to do some kinds of exercise.12The company (fierce)guarded its independence.13I dont like the way you speak to your mother.14(bite)by a poisonous snake,he was sent to the hospital without delay.15We were astonished (find)the temple still in its original condition.To findto
31、getfiercelythat/in whichBitten.句型转换1He got up early so that he could catch the early bus.He got up early he could catch the early bus.He got up early the early bus.(不定式作目的状语)2College is the beginning of a new path into education and a path to life and dreams as well.College is the beginning of a new
32、 path into education a path to life and dreams.in order thatto catchnot onlybut also.完成句子1No one knows when such a custom first.没人知道这个风俗最早是什么时候开始有的。2He had gone abroad.早在你回到中国之前他就到国外去了。came into beinglong before you returnedto China3,we went on smoothly.问题解决后，我们进展得很顺利。4The little boy saved every coin on Mothers Day.那个小男孩节省每一个硬币，为的是在母亲节为妈妈买件礼物。With the problem settledso that he couldbuy his mother a present “课下巩固提升”见“Unit 4 课时跟踪检测（三）”(单击进入电子文档)谢谢 观 看
