高中英语外研版必修1课件:Module5 Section Ⅰ

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高中英语外研版必修1课件:Module5 Section Ⅰ

Module 5 A Lesson in a Lab 【语篇导读】 实验室的小狗小猫们的福音来了 ! 纽约一项新的法令规定 , 用于实验的猫和狗退役后须被领养。 Life has gotten a little brighter for some lab animals in New York state.A law passed recently says that all research labs must make dogs and cats used as test subjects available for adoption( 领养 ) when testing is complete. “This is a humane law that,for these animals,provides the chance for a new life,” Governor Andrew Cuomo said.“Dogs and cats are like members of the family for many New Yorkers and this action will allow more four-legged friends to be adopted into a caring home.”The law states that a licensed vet ( 兽医 ) will determine whether or not animals are suitable for adoption.Those animals that are suitable must be made available to animal shelters to be put up for adoption. New York is the fifth state to pass such a law,following Minnesota,California,Connecticut and Nevada.The New York law was backed by the Beagle Freedom Project,a group dedicated to( 致力于 )helping animals in research laboratories. Though the Beagle Freedom Project works to protect many kinds of animals,its name calls attention to the dog most commonly used in labs.Beagles are bred( 饲养 )to be test subjects,because their small size and gentle nature makes them easy to work with in lab settings. Retired research animals often need a lot of patience and special care to recover from what they ’ ve experienced,Beagle Freedom Project managing director Loma Campbell said.“They are easily scared,” she said.“Most of them have never been outside .” While the new law is good news for dogs and cats in the Empire State,it does not address other animals commonly used in lab testing,like rats and rabbits.But the law shows a move toward removing animal research altogether. 思考 1 .What ’ s the main idea of the text? 2 .What can we learn from the last sentence of the passage ? 答案 : A law passed to protect former research cats and dogs . 答案 : Animal research will probably be forbidden in the future . Section Ⅰ  Introduction,Reading & Vocabulary 一 二 三 四 五 一、你熟悉下面的图片吗 ? 试着根据图片完成 句子 1 .The boy is doing a scientific          ( 实验 ).   2 .The boy is         ( 添加 ) some liquid to the blue water.   3 .Put some iron nails at the          ( 底部 ) of a test tube.   4 .Iron        ( 反应 ) with acid and rust.   experiment adding bottom reacts 六 一 二 三 四 五 二、根据英语释义和首字母提示写出下列单词 1 . e        to become greater in size,number or importance   2 . c        to become smaller or shorter   3 . s        particular type of matter   4 . m        a thing made by mixing   5 . s        period or step in the development,growth or progress   6 . c        the result of an act or a process   7 . a        a purpose or intention   8 . r        to change or behave in a particular way as a result of or in response to sth.   9 . p        not complete or whole   10 . o        normal,usual   六 xpand   ontract   ubstance   ixture tage   onclusion   im   eact   artial rdinary   一 二 三 四 五 11 . s        the hot gas that water changes into when it boils   12 . f        to stay on or near the surface of a liquid and not sink   13 . f        produce sth. in a particular way or make it have a particular shape   14 . d        to mix with a liquid and become part of it   六 team   loat   orm   issolve 一 二 三 四 五 三、翻译短语 A. 温故 1 .think of                      2 .at the top                       3 .at the bottom                       4 .find out                       5 .push down                       6 .make sure                        7 .add...to                       8 .be used in                       六 想起 , 想到  在 最上端  在 底部 弄清楚 , 查明白  把 …… 向下推  确保 , 务必 把 …… 加入 被 用在 …… 一 二 三 四 五 B. 知新 1 . 与 …… 发生反应                       2 . 防止 …… 进入 ……                       3 . 把水烧开                       4 . 在普通的水中                       5 . 没有空气的水                       6 . 把 …… 按顺序排列                       六 react with   keep ...out of ...   boil the water   in ordinary water   air-free water   put ...in order 一 二 三 四 五 四、阅读 Reading and Vocabulary 中的 Passage A , 选出正确 答案 1 .     reacts the most with oxygen and water.   A.Potassium      B.Calcium C.Aluminium D.Iron 2 .Which of the metals reacts the least with oxygen and water? A.Sodium. B.Magnesium. C.Potassium. D.Copper. 3 .When heated in oxygen,magnesium     .   A.burns to form hydrogen B.burns to form an oxide C.reacts slowly D.doesn ’ t react at all 4 .Which metal doesn ’ t react with water? A.Iron. B.Aluminium . C.Copper. D.Sodium . 六 A D B C 一 二 三 四 五 5 .Which metal reacts slowly when it is heated in oxygen? A.Iron. B.Copper. C.Zinc. D.Calcium. 六 A 一 二 三 四 五 五、篇章结构 ( 根据课文内容填空 ) 六 metals uses substances in order experiments dry Iron air-free tube ordinary 一 二 三 四 五 六 六、课文语篇填空 From Passage A we know the 1 .           of metals with some 2 .           such as water and oxygen,which can be 3 .        . It can be seen the metals react most 4 .      and the metals react least 5 .           .When you heat calcium in oxygen,you ’ ll find it burns to form an oxide.And it can easily be seen copper doesn ’ t 6 .       water.   In the first part of the experiment in Passage B,the air is dry,not wet.It shows that iron doesn ’ t 7 .       when the air is dry.In the second part of the experiment,you must 8 .       the water to make sure there is no air in it.You 9 .       some oil to the water because this 10 .       air out of it.It shows that iron doesn ’ t rust in water that has no air in it.   reaction substances put in order at the top at the bottom react with rust boil add keeps 1 2 3 4 5 6 7 1 . When you heat a metal , it expands. 当你加热金属时 , 它膨胀。 ★ 考点   expand vi. 膨胀 A tyre expands when you pump air into it. 轮胎一打气就鼓起来。 考点延伸 (1) 阅读下列句子 , 体会黑体词的含义 ① Our foreign trade has expanded greatly in recent years. 我们的对外贸易近年来已有极大的发展。 含义 发展 ② The petals of the flowers expanded in the sunshine. 花瓣在阳光下张开了。 含义 伸展 , 张开 1 2 3 4 5 6 7 (2) 阅读下列句子 , 体会黑体词的含义 ① The waist expands to fit all sizes. 腰围可拉松以适合任何尺码。 含义 ( 在尺寸、体积或范围等方面 ) 变大 , 扩大 ② Can you extend your visit for a few days longer? 你能多停留几天吗 ? 含义 ( 在空间或时间上的 ) 伸长 , 延长 ③ The sweater has stretched . 这件毛衣变松了。 含义 拉长 ; 撑大 ; 撑松 ④ The disease is spreading fast. 这种病正在迅速蔓延。 含义 ( 使 ) 蔓延 , 扩散 , 散开 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 2 . It is hard to think of a world without metals. 很难想象一个没有金属的世界。 剖析 本句句型为 :It ’ s+ 形容词 + 动词不定式短语 , 句型中 it 为形式主语 , 动词不定式短语为真正的主语。 ★ 考点   think of 想象 , 设想 In every beginning think of the end. 凡事开头时就要想想后果。 1 2 3 4 5 6 7 考点延伸 (1) 阅读下列句子 , 体会黑体词组的意义 ① There are so many things to think of before we decide. 我们做决定前要考虑很多事情。 意义 考虑 ② Will you think of me after my leaving? 我离开之后 , 你还会记得我吗 ? 意义 想起 , 记起 ③ They all thought of her as a nice girl . 他们都认为她是一个好女孩。 意义 认为 , 有 …… 的 看法 1 2 3 4 5 6 7 ④ Can anybody think of a way to raise money? 有人能想出筹款的办法吗 ? 意义 想出 (2) 阅读下列句子 , 体会与黑体词相关的搭配及意义 ① We think highly of our new teacher. 我们高度评价我们的新老师。 搭配 think highly of   意义 高度评价   ② She ’ s thinking about changing her job. 她正考虑要换个工作。 搭配 think about   意义 考虑   ③ Please think over what I ’ ve said. 请仔细考虑我说的话。 搭配 think over   意义 仔细考虑   1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 3 . Different metals have different uses , for example , steel is used in cars , and iron is used in electrical equipment. 不同的金属有着不同的用途。譬如 , 钢用于车辆 , 铁用于电子设备。 ★ 考点   equipment n. 设备 ; 装备 All the equipment in their factory is out of date. 他们厂的设备都过时了。 考点延伸 阅读下列句子 , 体会黑体词的词性、搭配、含 ( 意 ) 义及用法 ① She got a bank loan to rent and equip a small workshop. 她取得一笔银行贷款来租用和装备一个小车间。 词性 动词   含义 装备 , 配备 1 2 3 4 5 6 7 ② You ’ d better equip your bicycle with a headlight. 你最好在你的自行车上装个前灯。 搭配 equip sth.with sth.   意义 用某物来装备某物   ③ Your training will equip you for your future job. 你的训练使得你能够胜任将来的工作。 搭配 equip sb.for sth.   意义 使某人为某事做好准备 / 使某人有能力做某事 ④ He bought a new piece of equipment. 他购买了一件新设备。 用法 a piece of equipment 表示 一件设备 ,equipment 为 不可数 名词 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 4 . When we use metals , it is important to know how they react with different substances , for example , water and oxygen. 使用金属时 , 要了解金属和不同的物质 ( 例如水和氧 ) 如何发生反应 , 这一点很重要。 ★ 考点   react vi. ( 化学 ) 反应 But when you share a story with your friends,you care a lot more how they react . 但是 , 当你分享一个故事给你的朋友时 , 你关注得更多的是他们的反应。 1 2 3 4 5 6 7 考点延伸 (1) 阅读下列句子 , 体会与黑体词相关的搭配及意义 ① Iron reacts with water and air to produce rust. 铁与水和空气起反应而生锈。 搭配 react with   意义 与 …… 起反应   ② How did they react to our suggestion? 他们对我们的建议反应如何 ? 搭配 react to   意义 做出反应 , 回应   ③ Most people reacted against the passing of the law. 多数人反对通过这项法律。 搭配 react against   意义 反对 , 反抗   1 2 3 4 5 6 7 (2) 阅读下列句子 , 体会黑体词的词性及含义 ① We all want to see her reaction about this matter. 我们都想看看她对此事的反应。 词性 名词   含义 反应 , 回应 ② The chemistry teacher explained the reaction of iron with oxygen to us. 化学老师给我们解释了铁与氧气在一起时的反应。 词性 名词   含义 反应 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 2 3 4 5 6 7 5 . Aim : To find out if iron rusts ( a ) in dry air ;( b ) in water that has no air in it ( air-free water );( c ) in ordinary water. 目标 : 研究铁是否在下列状态下生锈 ( a ) 在干燥的空气中 ;( b ) 在不含空气的水中 ( 没有空气的水 );( c ) 在普通的水中。 剖析 if 引导宾语从句 , 意为 “ 是否 ”, 可用 whether 代替。 ★ 考点一   aim n. 目标 ; 目的 The primary aim of this course is to improve your spoken English. 这门课的主要目的是提高你的英语口语水平。 归纳 当 aim 作主语时 , 常用 动词不定式 作表语。 1 2 3 4 5 6 7 考点延伸 (1) 阅读下列句子 , 体会黑体词的词性及含义 ① What ’ s your aim in life? 你生活的目标是什么 ? 词性 名词   含义 目标 ② He has only one aim in life—to become rich. 他活着只有一个目的 —— 发财。 词性 名词   含义 目的 ③ He aimed (his gun) at the target. 他 ( 用枪 ) 瞄准目标。 词性 动词   含义 瞄准 1 2 3 4 5 6 7 (2) 阅读下列句子 , 体会与黑体词相关的搭配及意义 ① He raised his bow and began to take aim at the bird. 他举起弓 , 开始瞄准那只鸟。 搭配 take aim at   意义 瞄准   ② We should aim at doing something useful to the society. 我们应当旨在做一些对社会有益的事情。 搭配 aim at doing sth.   意义 旨在做某事   ③ I aim to be a policeman when I leave school. 我打算毕业以后当名警察。 搭配 aim to do sth.   意义 打算做某事   ④ These measures are aimed at preventing air pollution. 这些措施旨在防止空气污染。 搭配 be aimed at   意义 旨在 ……, 目的在于   1 2 3 4 5 6 7 ★ 考点二   ordinary adj. 普通的 ; 平常的 The film represented the life of ordinary people. 这部影片展现了普通人的生活。 考点延伸 阅读下列句子 , 体会黑体词的含义 ① These are just two ordinary houses. 这只是两所普通的房子。 含义 平常的 , 普通的 , 平凡的 , 平淡无奇的 ② Pine trees are common throughout the world. 松树在世界各处都很常见。 含义 常见的 , 普通的 注意 common 还表示 “ 公共的 , 共有的 ” 。 1 2 3 4 5 6 7 ③ It is usual for him to stay up late at night. 他对熬夜已习以为常。 含义 通常的 , 惯常的 ④ The doctor said his temperature was normal . 医生说他的体温很正常。 含义 正常的 , 常态的 1 2 3 4 5 6 7 1 2 3 4 5 6 7 5 6 1 2 3 4 7 6 . Conclusion   Iron does not rust in dry air. 结论   铁在干燥的空气中不生锈。 ★ 考点   conclusion n. 结论 What conclusions do you draw from the evidence? 你从证据中得出什么结论 ? 考点延伸 (1) 阅读下列句子 , 体会与黑体词相关的搭配及意义 ① I came to/reached the conclusion that he ’ d been lying. 我断定他在说谎。 搭配 come to/reach the conclusion that...   意义 断定 / 得出的结论是 …… 本句中 that 从句为同位语从句 。 5 6 1 2 3 4 7 ② It is important to draw a conclusion from the facts. 从事实中得出结论很重要。 搭配 draw a conclusion from...   意义 从 …… 中得出结论 ③ In conclusion ,walking is a cheap and safe form of exercise. 总而言之 , 散步是一种廉价、安全的锻炼方式。 搭配 in conclusion   意义 总之 , 最后   5 6 1 2 3 4 7 (2) 阅读下列句子 , 体会黑体词的词性及含义 ① The scientist concluded ,from the experiment,that the substance doesn ’ t react with water. 那个科学家从试验中得出结论 , 这种物质不与水反应。 词性 动词   含义 断定 , 推论出 ② The meeting concluded at 8 o ’ clock. 会议于 8 时结束。 词性 动词   含义 结束 5 6 1 2 3 4 7 5 6 1 2 3 4 7 6 7 5 1 2 3 4 7 . Add some oil to the water. 在水中加些油。 ★ 考点   add...to... 把 …… 加入 …… You can add the fluid to the powder . 你 可以把液体加入粉末中。 考点延伸 (1) 阅读下列句子 , 体会与黑体词相关的搭配及意义 ① Every failure one meets with adds to one ’ s experience. 吃一堑 , 长一智。 搭配 add to   意义 增加 ( 困难等 )   ② Add up the numbers in this column . 把 这一栏的数字合计一下。 搭配 add up   意义 把 …… 加起来   ③ All his school education added up to no more than one year. 他所有的学校教育加起来超不过一年。 搭配 add up to   意义 加起来是 , 总计 , 共达   6 7 5 1 2 3 4 (2) 阅读下列句子 , 体会黑体词的词性、搭配及含 ( 意 ) 义 ① The President agreed, adding that he hoped for a peaceful solution. 总统表示赞同 , 并补充说他希望和平解决。 词性 动词   含义 补充说 , 又说 ② In addition (to the names on the list)there are six other tourists. 除此 ( 名单上的名字 ) 之外 , 还有六个其他游客。 词性 名词 搭配 in addition(to...)   意义 加之 , 除 ( …… ) 之外   6 7 5 1 2 3 4 6 7 5 1 2 3 4 6 7 5 1 2 3 4
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