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1、EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业河南省淮阳一高河南省淮阳一高 王清华王清华2010.8EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业词汇朗读词汇朗读EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专
2、用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业单词讲解单词讲解EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业1. Solar：adj attr
3、ib 作定语 of, concerningor related to the sun 太阳的; solar energy 太阳能 solar-powered 以太阳能为动力的.solar system太阳系solar cell太阳能电池solar battery太阳能电池组solar panel太阳能电池板solar calendar n. 阳历EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业2. theory：1.system
4、atically organized knowledge applicable in a relatively wide variety of circumstances理论;学理,原理UC2.Theory should go hand in hand with practiceIt seems good in theory, but it doesnt work in practice. 理论上它似乎很不错,但实.际上却行不通。 【theoretically; practically】2. opinion or supposition, not necessarily based on re
5、asoning 意见, 揣测（未必基於推理的My theory is that well have a cold winter this year. 依我看今冬会很冷。 EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业3. atom ：smallest part of an element that can exist chemically 原子A molecule of water consists of two atoms
6、of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。The atom bomb is of catholic concern. 原子弹受到普遍的关注。 very small quantity or thing 极微小的量或事物: The tower was blown to atoms by the force of the explosion. 爆炸的力量把塔炸得粉碎. There isnt an atom of truth in the rumour谣言中没有丝毫的真实性.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课
7、文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业4. globe the globe sing the earth 地球; 世界: travel (all) round the globe 环球旅行. a global tour 环球旅行 * global warfare 世界大战. However, there still exist some factors of instability both globally and regionally:在世界和地区范围内仍存在一些不安定因素。E
8、XIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业5. in time 1within or before a fixed time及时*We got to the station just in time to catch the train我们及时赶到火车站乘上火车。*A stitch in time saves nine及时处理，事半功倍。*You can rest assured that well finish the w
9、ork in time你放心吧，我们一定按时完成任务。*The doctor came in time to save his life医生及时前来挽救他的生命。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业5. in time 2eventually；in the end； 不久；最好；将来*Fred and Jim did not like each other at first，but in time they beca
10、me friends弗雷德和吉姆开始互不喜欢，可是最终他们成了好朋友。*Youll get used to the weather in Nanjing in time你迟早会适应南京的气候的。*If you keep on trying，you will succed in time只要你继续努力，你迟早会成功。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业6. atmosphere 1.大气the S2.气氛S1The t
11、alk was conducted in a friendly atmosphere. 会谈是在热情友好的气氛中进行的。 4.情趣;魅力UThe ancient palace has a lot of atmosphere. 这座古老的宫殿很有魅力。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业7. unlike: dissimilar; different 不相似; 不同: They are so unlike nobody
12、 would believe they were sisters. 她们毫无相似之处, 谁也不相信她们是姐妹.uncharacteristic of (sb/sth)无（某人某事物）的特性: Its very unlike him to be so abrupt. 他这麽粗鲁可不像他平时的样子. in contrast to (sb) 与（某人）相反: Unlike me, my husband likes to stay in bed. 我丈夫与我相反, 喜欢睡懒觉.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4
13、 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业8. fundamental :Of or relating to the foundation or base The school is based on the fundamental principle that each child should develop its full potential.most important; central or primary 十分重要的; 主要的; 首要的: His fundamental concern was for her welfare. 他最
14、关心的是她的幸福. essential or necessary 根本的; 必要的: Hard work is fundamental to success. 必须苦干才能成功.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业9. presence 1.出席,在场;存在I was surprised by the presence of so many people at the meeting. 这么多人出席会议使我感到吃惊。
15、 Your presence is requested. 敬请光临。 2.面前,眼前He gets nervous in the presence of famous people. 他在名人面前变得局促不安。 EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业10 . dissolves make (a solid) become liquid （指液体）使（固体）溶解: Water dissolves salt. 水能溶解盐.
16、 become part of a liquid （指固体）溶解: Salt dissolves in water. 盐在水中溶解. cause (a solid) to dissolve 使（固体）溶解: Dissolve the salt in water. 使盐在水中溶解. EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业11. reaction （对情况 行动 影响等做出的）反应, 回应: What was his re
17、action to the news? 他对这消息的反应如何? * Her arrest produced an immediate/a sudden reaction from the press. 她被捕的事立刻突然在新闻界引起反响. sing 由药物 化学物质等引起的）生理上的反应（通常指不良反应）I had a bad reaction after my typhoid injection. 我注射伤寒针剂後产生了不良反应. C, U 化学反应: nuclear reaction,核反应.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专
18、用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业12. multiply mltpla 1. 乘3 multiplied by 5 is 15.三乘五等于十五。2. 增加to multiply ones chances of success增加个人成功的机会3. 繁殖When animals have more food, they generally multiply faster.动物如果吃得多，通常繁殖也快。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三
19、 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业13. lay eggs 下蛋 new-laid eggs 鲜蛋 lay bricks砌砖；lay a pavement铺设人行道；lay a railroad track铺设铁路轨道lay the foundation for奠定的基础lay the table摆设餐具准备吃饭（=set）lay a carpet, cable, pipe 铺地毯 架电缆 敷管道 lay the emphasis = emphasize = lay stress on 强调lay the blame on责
20、备lay a trap for sb 将某人诱入圈套（=set）EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业13. lay eggs 下蛋 new-laid eggs 鲜蛋 lay bricks砌砖；lay a pavement铺设人行道；lay a railroad track铺设铁路轨道lay the foundation for奠定的基础lay the table摆设餐具准备吃饭（=set）lay a carpet,
21、cable, pipe 铺地毯 架电缆 敷管道 lay the emphasis = emphasize = lay stress on 强调lay the blame on责备lay a trap for sb 将某人诱入圈套（=set）EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业14. exist 1. be real or actual; have being 存在; 有: Does life exist on Mar
22、s? 火星上有生命吗? 2. survive 生存（尤指有困难或钱很少）; 活下来; 幸存: We cannot exist without food or water. 没有食物或水我们就不能生存. * He exists on rice and water, 他靠吃米饭和水过活. * When did the world come into existence? 世界是什麽时候产生的? We led a happy enough existence as children. 我们小时候的生活过得很愉快. EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语
23、第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业15. give birth to 1.生产 2.产生 Janes mother has just given birth to twins简的妈妈刚刚生了一对双胞胎。Watts observation of steam issuing from a kettle gave birth to the idea of the steam engine. 瓦特对水壶蒸气的观察使他产生了发明蒸汽机的想法。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语
24、言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业16. thus Thus can be used in the following ways:as a way of showing how a sentence or clause is related to what has already been said:No decision had been made, and thus the situation remained unclear.as an ordinary adverb:The
25、 merchants began to import corn, thus forcing farmers to cut their prices.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业17. in sbs turn in turn (= one after the other) They gave their names in turn. in sbs turn轮到某人做某事She had not been frie
26、ndly to Pete and he, in his turn, was cold to her when she came to stay. |EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业18. gravity The force of gravity pulls things towards the earths centre. 地心吸力把物体吸向地心。 I dont think you realize the gra
27、vity of the situation. 我认为你没有意识到局势的严重EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业19. block out 蔽光 an office block 办公大楼Heavy snow is blocking all roads into Scotland. 大雪阻塞了所有通往苏格兰的道路 My nose is blocked. 我鼻子堵了（如因患重感冒）. The accident blocke
28、d traffic in the town centre. 事故阻塞了市中心的交通.That wall blocks out all the light. 那堵墙把光线都遮住了。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业20. climate climate 某一地区常年的气候情况，包括气温、降雨量。可用作比喻。weather 指某地区具体的短时间内的天气，包括晴雨寒暖等情况。She adapted herself qui
29、ckly to the new climate. 她很快就适应了这种新气候。某一社会,时代的)风气,趋势;气氛CUAfter the revolution, the climate of the country remained tense. 革命以后,那个国家的气氛依然紧张。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业21. crash a car crash/an air crash 汽车撞车事故飞机坠毁. fall o
30、r strike (sth) suddenly and noisily 突然倒下, 撞击（某物）发出声响: The rocks crashed (down) onto the car. 岩石轰隆一声砸在汽车上.The dishes crashed to the floor. 碗碟哗啦一声掉在地板上.have a collision （使某物）猛撞: The plane crashed (into the mountain). 飞机撞毁（在山上）了 He crashed his car (into a wall). 他把汽车撞（到墙上）了.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文
31、理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业22. get the hang of 得知 . 的要领, 学会 . 的窍门 Dont let that get you down.Youll get the hang of it.不要为此灰心丧气,你会找到诀窍的。 EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业23.
32、 exhaust esp passive 尤用於被动语态 make (a person or an animal) very tired 使（人或动物）非常疲倦: The long cycle ride exhausted her. 她因长途骑车而疲惫不堪. He exhausted himself in the attempt. 他因十分努力而筋疲力尽. use (sth) up completely 用尽, 耗尽（某物）: exhaust ones patience, strength 失去耐性 用尽力气 exhaust a money supply 把钱用光.不要为此灰心丧气,你会找到诀
33、窍的。 Im exhausted! 我已筋疲力尽了! EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业24. Watch out Watch out! Theres a car coming. 小心! 汽车来了。The staff were asked to watch out for forged banknotes. 已经要求职员留意伪钞。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语
34、第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业课文理解课文理解EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业1. the universe began with a Big Bang that threw matter in all directions.1. course taken by a moving person or thing 方
35、向: Tom went off in one direction and Harry in another. 汤姆朝一个方向走, 哈里则朝另一个方向走. A gust of wind sent my books flying in all directions. 一阵风把我的书刮得到处乱飞。. 2. C usu pl 通常作复数 instructions 指南; 说明书; 用法说明; 操作说明: Follow the directions that your doctor gives you. 请遵医嘱。under the direction of . 在的指导下EXIT单词朗读单词朗读 单词
36、讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业2. After that, atoms began to form and combine to create stars and other bodies. the body of a plane机身 The main body of the book deals with the authors political career. 书中主要部分写的是作者的政治生涯. heavenly bodies, ie
37、 stars, planets, etc 天体 Ive got a foreign body (eg an insect or a speck of dirt) in my eye. 我眼中有异物（如小虫或灰尘）. body-building n （通过锻炼）增强体质.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业3. For several billion years after the Big Bang, the eart
38、h was still just a cloud of dustseveral billion years = several billions of years =billions of years a pool of bloodmountains of booksa sea of knowledgean angel of a daughterEXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业4. What it was to
39、become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.不定式作表语的特殊意义表示坚决的命令。例如：1. This naughty boy is to stay here until the class is over.2. No one is to enter this building without the permission of the security guard.表示“计划”或“安排的事项”。例如：3. You are to
40、 stay in Room 502 and your father will arrive soon.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业4. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.4. An insurance a
41、gent is to meet us this afternoon.表示“可能性”。例如：5. Not a sound was to be heard.6. The lovely puppy is nowhere to be found.7. The earth is to explode in the year 2099表示“意图”或“打算”。例如：EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业4. What it was
42、to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.8. If you are to be there on time, you had better hurry.9. If the flowers are to survive, you must water them regularly.,表示“应该”。例如：10. You have done so well. You are to be rewarded.11. Such n
43、asty questions are to be avoided.表示“不可避免”、“注定”。例如：EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业4. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.12. Anne was wonde
44、ring what was to become of her boy friend, Tommy.13. They said goodbye, little knowing that they were never to meet again.表示“假设”。例如：14. If I were to do it, I would do it well.15. Even if you were to take a taxi now, you would not be able to arrive at your destination on time.EXIT单词朗读单词朗读 单词讲解单词讲解 课文
45、理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业4. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.有“期待将来”的含意。例如：16. The actual usefulness of the newly invented equipment is still to be deter
46、mined.17. Henrys appointment with the accountancy firm is yet to be confirmed.细心研读，领略这些结构的个中味。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业5. They were in time to produce carbon, nitrogen, water vapour and other gases, which were to make
47、 the earths atmosphere.within or before a fixed time及时*We got to the station just in time to catch the train我们及时赶到火车站乘上火车。be or become (sth) through development; turn out to be 演变成（某事物）; 结果是: If you train hard, youll make a good footballer. 你要刻苦训练就能成为优秀的足球运动员. * Hell never make an actor. 他决当不成演员. *
48、She would have made an excellent teacher. 她本可以成为杰出的教师. EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业6. What is even more important is that as the earth cooled down, waterbegan to appear on its surface.What is known to all is thatWhat imp
49、resses us most is thatWhat strikes us most is thatEXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业7. It was not immediately obvious that water was to be fundamental to the development of life.be fundamental to对是必要的；对是根本的Hard work is fundame
50、ntal to success. 必须苦干才能成功.EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业8. What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.Your presence i
51、s requested. 敬请光临。in the presence of sb/in sbs presence 当着某人; 有某人在场 the of germs in the atmosphere大气中细菌的存在We shall be very glad to have your presence.你如能出席,我们将感到很高兴。“EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业8. What many scientists be
52、lieve is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.in the absence of 1 being away不在*In the absence of their parents，the children played in the house家长不在时，孩子们便在家里玩耍。2lacking缺乏*In the absence of evidence，the suspect was released
53、因缺乏证据，那个嫌疑犯被释放了。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业9. This produced a chain reaction, which made it possible for life to develop.The sun gives off light and heat, which makes it possible for plants to grow.The sun gives off lig
54、ht and heat, (thus) making it possible for plants to grow.Her proposals would allow (= make it possible for) more people to stay in full-time educationHis large income d him to live in comfort.他那丰厚的收入使他可以过舒服的生活EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EART
55、H课文朗读课文朗读 课后作业课后作业10. Many millions of years later, the first extremely small plants began to appear on the surface of the water.Many millions of years = Millions of years =Many million years EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业
56、11. They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shellfish and all sorts of fish.As we climbed up the mountain, the dangers and difficulties multiplied.我们越向山顶攀爬,危险和困难越是倍增。make something more likely to exist, happen, or develop促进,助长;激发Vio
57、lent TV programmes encourage anti-social behaviourThat will merely his idleness. 那只会助长他的懒惰Poor hygiene encourages the spread of disease.【同】 promoteEXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业12. However, 65 million years ago the age of
58、the dinosaurs ended.very long time 极长的时间; 很久: I waited (for) ages/an age. 我等候很久了. * It took (us) ages to find a place to park. （我们）找了好半天才找到个停车的地方. She doesnt look her age at all她一点儿也不像那麽大年纪（显得年轻得多）. Shes aging gracefully. 她老得有风韵.the modern age, the nuclear age, the age of the microchip 现代 核子时代 微晶片时代
59、. EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业13. Why they suddenly disappeared still remains a mystery. This disappearance made possible the rise of mammals on the earth.The invention of computers made possible the voyage to the moonEX
60、IT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业14. Thus they have, in their turn, become the most important animals on the planet.For several billion years after the Big Bang, the earth was still just a cloud of dust.EXIT单词朗读单词朗读 单词讲解单词讲解 课文
61、理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业15. But they are not looking after the earth very well. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.现在进行时有时可表示现阶段正在进行但说话时刻不一定在进行的动作。1. Sel
62、ecting a mobile phone for personal use is no easy task because technology _ so rapidly.(NMET 2001)A. is changing B. has changedC. will have changed D. will change析:选A。EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业15. But they are not look
63、ing after the earth very well. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.任何时候都可能在进行中的事情I dont like to be disturbed if Im working. You look lovely when youre smiling. If a computer crashes, you will lose the file you _ (w
64、ork)on if you dont save it early enough.(2009北京东城区)EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业现在一般时与现在进行时1) He works hard.（强调始终如一）He is working hard.（强调现在）2) Here comes the bus! (表高兴和欣慰）The bus is coming.（汽车到来的情景）3) Tom always comes la
65、te. Tom is always coming late.(表示不满，责备）4) I expect you to phone me. ( 几乎等于命令）Im expecting you to phone me.（婉转）5) What do you say? What are you saying?(你说些什么呀，表说话人惊讶，不满）EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业6) I find that the book
66、is too difficult for me.(强调结果） Im finding that the book is too difficult for me. (强调过程，逐渐感到）7) Apples cost more these days.(强调事实)Apples are costing more these days.(越来越贵)8) He always thinks of others. Hes always thinking of others.(表示赞扬)9)I hope youll give us some advice. Im hoping youll give us som
67、e advice.(表示语气婉转)10) I must go. (我应该去)I must be going.(我该走了)EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业16. As a result of this, many scientists believe the earth may become too hot to live on. .As a result (of this), , and as a result
68、(of this), , and as a result (of this), ; as a result (of this), , as a result of which, EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业17. So whether life will continue on the earth for millions of years to come will depend on whether thi
69、s problem can be solved.Though war and danger were in store, it might not befall for months to come.战争和危险虽然避免不了,可是说不定要到好几个月以后才开火。 EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业课文语言课文语言EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业课文朗读课文朗读EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业EXIT单词朗读单词朗读 单词讲解单词讲解 课文理解课文理解 课文语言课文语言高三英语第一轮复习专用必修三必修三 Unit 4 HOW LIFE BEGAN ON THE EARTH课文朗读课文朗读 课后作业课后作业课后作业课后作业
