人教版高二英语选修八第二单元学案含答案
Unit 2 Cloning （Module 8）
Period 1 Reading: Cloning: Where is it leading us
Class ： Name ： __________ Group ： No ：______ Learning Objectives:
1. Learn the useful new words and expressions.
2. Read the passage and learn some information about cloning. Learning Key Points:
1. Grasp the important words and expressions in the reading material.
2. Learn the text and master the major uses of cloning and the success and problem of cloning Dolly the sheep. Learning Difficult Points:
1. Improve the reading ability.
2. Learn the reading skills: scanning and skimming.
Learning Procedures:
I. 【Pre-class homework 】 A. Warming up
There are two kinds of clones, a natural clone and a man-made clone. Do you know what is a natural clone? And what is a man-made clone?
A natural clone is one that ______________________________________________________ Man-made clone is one that ____________________________________________________
B. Pre-reading
Background reading:
Scottish scientists at Roslyn Institute created the much-celebrated sheep "Dolly", aroused worldwide interest and concern because of its scientific and ethical implications. She was the first mammal to be cloned from adult DNA taken from an adult cell. Previously, animals had only been cloned using embryo(胚胎) cells which already have the potential to become a complete embryo in its own right. The big breakthrough with Dolly was to make a clone from an ordinary, adult cell ? in this case from a female goat’s udder.
Questions:
1. How does Dolly differ from other sheep?
She was ______________ by humans while the others were born naturally. So, Dolly was a ______________ sheep. 2. Should we clone a human?
II. 【While-class 】 Step1. Lead-in
Step2. Group discussion Step3．Consolidation 1. Reading
Assessment :
Assessment :
___________________________________________________________________________________________________
_
1.Fill in the form.
Para Main idea of
each paragraph
Details Summary
1 The
__________ of
cloning Cloning is way of (1) _________________
________________ of another animals or
plant.
The passage
mainly tells us
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
_______________
2 The
____________
uses Firstly, to produce (2) ________________ quantities of plants.
Secondly, for research on (3) __________ ____________________________ and for (4) ______________ research on animals.
3 The
____________
of Dolly Dolly’s illness were more appropriate to (5) ______________________________; Dolly’s lived only (6) ______________ the length of the life of the original sheep; The same arbitrary fate affected (7) ____ __________________________________.
4 The
____________
of Dolly Raised a storm of (8) ________________ and had a great impact on (9) _________
___________________________________;
(10) _________________ people’s eyes.
5 People’s
____________
toward cloning Evil leaders hope to (11) _____________; Religious leaders raised (12) __________ ___________;
Governments became (13) ___________________;
China and the UK continued to (14)
_______________________.
II. Post-reading
A. 做《朗声》p23. Ⅳ
B. Read the text again and fill in the blanks.
Cloning is a way of making an 1._________ (exactly) copy of another animal or plant. It has two major uses .2. ________, gardeners use it to earn profits. Secondly, it is valuable for research on new plant species and 3.________ medical research on animals. Although cloning mammals is difficult 4.__________ (undertake), the determination and patience of the scientists 5._______ (pay) off in 1996. The fact 6._______ she seemed to develop normally was very 7._____________(encourage). But she had half of the 8.________ (long ) of the original sheep, 9._________ arose scientists’concern. Up to now, cloning is still 10. ___________ (controversy).
Step4．Presentation
Step5．Summary
III.【Post-class】
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Unit 3 Inventors and inventions The First Period Reading Teaching goals教学目标 1. Target language目标语言 a. 重点词汇和短语 patent, distinguish, product, power, perfume, cube, abrupt, abruptly, convenient, expectation, monitor, passive, criterion, valid, application, file, rod, call up, now and then, set about, in case 2. Ability goals Enable the students to describe the problem of the snakes and what has been done by the writer to solve the problem. 3. Learning ability goals Help the students to learn how to retell the story and how to meet the requirements of getting a patent. 4. Emotional goals Make the students try to be good at discovering some useful things and realize that it’s not easy to get a patent. Teaching important points 教学重点 To get the main idea of the whole passage and each parts. Teaching difficult points 教学难点 Learn how to meet the requirements of getting a patent. Teaching methods 教学方法 Reading and Task-based activities. Teaching procedures & ways教学过程与方式 Step Ⅰ warming up Deal with the part of warming up and ask the students to find out the definitions of discovery and an invention, and their differences. An invention is something that is created by a human being, such as the lightning rod. To the contrary, a discovery merely makes known something that already existed in nature, such as the discovery on the New Continent by Columbia. Step Ⅱ Pre-reading
(完整版)人教版高二英语选修8单词表
高中英语选修8 单词表 Unit 1 △California 加利福尼亚（州） △Californian 加利福尼亚 （州）人 △illustrate vt. 说明；阐明 distinct adj. 清晰的；明显 的；明确的 distinction n. 差别；区分；卓著△immigrant n. （从外国移入的）移民live on 继续存在；继续生存strait n. 海峡 △Bering 白令海峡 Arctic adj. 北极的；北极区的the Arctic 北极 means n. 手段；方法 by means of …用……办法；借助…… △prehistoric adj. 史前的 majority n. 大多数；大半 ministry n. （政府的）部；（全体）牧师；牧师的职 责 Catholic adj . 天主教的n .天主教徒 △Alaska n. 阿拉斯加（州） △San Francisco n. 圣弗朗西斯科（也称旧金山） △adventurer n. 冒险家 make a life 习惯于新的生活方式、工作等△despite prep. 尽管；不管hardship n. 苦难；困苦elect vt. 选择；决定做某事；选举某人federal adj. 联邦制的；联邦政府的rail n. 铁路；扶手；（护栏的）横条percentage n. 百分比；百分率△Los Angeles n. 洛杉矶Italy n. 意大利 Italian n.意大利人；意大利语adj.意大利人的；意大利语的 Denmark n. 丹麦（北欧国家）keep up 坚持；维持；沿袭（风俗、传统等）△Hollywood n. 好莱坞；美国电影业 boom n. （人口、贸易的）繁荣vi. 处于经济迅速发展时期aircraft n. 飞行器；航空器；飞机△Cambodian n. 柬埔寨人；柬埔寨语 Korea n. 韩国；朝鲜 Korean n.韩国/朝鲜人；朝鲜/韩语adj.韩国（人/语）的；朝鲜（人/语）的Pakistan n. 巴基斯坦 Pakistani adj. 巴基斯坦（人）的n .巴基斯坦人 △immigrate vi. 移入（外国定居） immigration n. 移民；移居入境racial adj. 人种的；种族的crossing n. 横渡；横越；十字路口；人行横道 vice n. & adj. 代理；副职nephew n. 侄子；外甥 pole n. 地极；电极；磁极applicant n. 申请人 customs n. 海关；关税；进口税 socialist n. 社会主义者；社会党人adj .社会主义者的 socialism n. 社会主义 occur vi. 发生；出现 cattle n. 牛（总称） △ Hispanic n. （美）讲西班牙语的美国人indicate vt. 指出；指示；表明；暗示back to back 背靠背luggage n. 行李（<美>baggage ）shave vt. & vi. （shaved; shaved, shaven）刮；剃 △ cable n. 缆绳；绳索；电缆 △ cable car 缆车；（美）有轨缆车 △ Andrew Hallidie 安德鲁?海利迪tram n. （有轨）电车 apparent adj. 显而易见的；显然的；表面上的apparently adv. 显然地；显而易见地 brake n. 闸；刹车；制动器Vi. & vt. 刹（车）；用制动器减速conductor n. （公车）售票员；列车员；（乐队）指挥 slip vi.滑动；滑行；滑跤n.滑动；滑倒 △wharf n. 码头 bakery n. 面包房；面包厂 ferry n. 渡船；渡口vt. 摆渡；渡运