1、班级:_ 姓名:_ 层次:_ Unit20 New Frontiers导学案(4)Lesson 3-Scientific Breakthroughs第一课时Tips: “Creativity in science could be described as the act of putting two and two together to make five.” - Arthur KoestlerLearning aims(学习目标):A(层次): Recite the important words in this part.B:Keep the important words,phras
2、es in mind；To practise strategies for identifying information.C,D: To practise using compand words. To talk about the influences of scientific discoveries.Important and difficult point(学习重难点): Use the important words, phrases corectly.Learning procedures(学习过程):StepRevision(A级)A:听写单词B：听写短语Step Readin
3、g StrategyReading practice 1.Fast reading: get the main idea (B级)（Reading strategy 1 Get the general idea and read the text fast. Dont worry about the words that are new to you.）The purpose of this article is _.A. the introduction of Albert EinsteinB. the introduction of the process of scientific br
4、eakthroughC. introduction of the major scientific discoveries in the 20th centuryD. the contributions scientists made to the world2Careful reading: get specific information (C级)（Reading strategy 2Then read the questions/statements and identify important words.）Fill in the tableTimeNameDiscoveryHow t
5、o discoverInfluence1905Change understanding of universeFirst World War1929by accident1946Not mentioned_with 120 patents3Are these statements true (T) of false (F) according to the text or is there no information (NI)? Use the strategies 3 to help you. (C级) (Reading strategy 3: To decide if there is
6、no information, make sure that the answer (true/false) cannot be inferred from the text. Also you base your decision only on the information in the text.)1. Einstein was at work when he thought of the equation“E=mc2 ”.( ) 2. Einstein participated in the program that developed the nuclear bomb. ( )3.
7、 Einstein observed changes in time, size and mass. ( )4. Hubble studied the universe for over twenty years. ( )5. Hubble discovered that our galaxy is bigger than we thought it was. ( )6. Fleming had been studying bacteria in his laboratory when the discovery happened. ( )7. There was a blue mould a
8、round the bacteria in the dish. ( )8. Fleming developed the process for making penicillin. ( )9. The first computer project failed to meet its original goal. ( )10. The first computer was extremely difficult to program. ( )11. The scientists who discovered microwaves invented microwave ovens. ( )12.
9、 Today, it is possible to donate your heart to hospital when you die. ( ) 4.Fill in the blanks. (B级) (Reading strategy 4: identify important words )1.One of the 20th centurys p_ scientists was Einstein who was i_ to d_ E=mc2 which showed how an u_ amount of energy was produced. 2. Scientists f_ _ ho
10、w to split the atom and changed the way we c_ from writing letters to emailing.3. The o_ of penicillin is a_, which helped to c_ people.4. It is a real d_ on your hands to choose the most important discovery of the 20th century. Scientific b_ improve the quality of human life on earth.Step Para1文句解析
11、.（B级）1. If you had to choose the single most important discovery of the 20th century,you would have a real dilemma on your hands.译文： 短语解析on your hands意为：由某人处理；由某人负责 我来译： 我手中有一所空房子要处理。2. Medical advances ranged from discovering the causes of diseases under microscopes to surgical procedures replacing
12、 diseased organs with donated ones.译文： 句子解析 本句主要结构形式为ranged from to表明变化的区间或者范围；to的前后为对等的名词。词语解析 range n. 一系列 v. 在和之间变动 我来译： 价格在五元到一百元之间变动。词语拓展a range of sth. 3. We started flying around the world and meanwhile,scientists figured out how to split the atom,previously thought to be the smallest particle of matter in the universe.译文： 句子分析 （D级）本句有meanwhile连接两个分句，它们有着各自的主谓结构；在第二个分句中，how to split the atom作figured out的 语；previously thought to be the smallest particle of matter in the universe是 分词短语作the atom的 ( A.宾语补足语B.后置定语C. 定语从句).词语解析split v. ( 使某物 )裂开，分开split up： 分离Step 小结与反思:
