北京市第一五四中学高二英语 Module 7unit 20 Lesson3学案 北师大版.doc

unit 20 new frontiers学习目标：by the end of this class, you will be able to to use reading strategies for identifying accurate information.to learn about some scientific breakthroughs and the scientists. 学习过程一、预习交流donate v._procedure n. _microscope n._correspond v._organ n._microwave n._split v._telescope n._circuit n._cure v_mist n._patent n._wrestle v._mould n._outcome n._dilemma n._penicillin n._circuit n._navy n._outcome n._jet n._二. 合作探究fast reading: get the main idea1the purpose of this article is _.the introduction of albert einstein the introduction of the process of scientific breakthroughintroduction of the major scientific discoveries in the 20th century the contributions scientists made to the worldwrite down the key words or sentences that you think are important._.三. 分层提高3. careful reading: get specific information(1) fill in the tabletimenamediscoveryhow to discoverinfluence1905change understanding of universefirst world war1929by accident1946not mentioned_with 120 patents (2) fill in the blanks1. 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_ _ how 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.can you find some words in the text that express the same ideas? for example, discover and figure out. (4) find words in the text with the following meanings:1. to give something e.g. money, to a person or an organization in order to help them2. a part of the body, such as heart or lungs3. to divide something into separate parts 4. compare two things that are happening at the same time 5. expressing your opinions honestly6. one of the large groups of stars that make up the universe 7. to make someone who is ill well again8.a type of oven that cooks food very quicklywrite down the difference between false and in._.4. after reading四. 总结归纳cloze test of the textalbert einstein was suddenly_ when he was rocking his baby. he then showed in his “_” that not even time, _ or _ are _-they change according to _ of them.edwin hubble used the most _ telescope of the time and began the long, slow process of _. he discovered small areas of _ which proved that the _was larger than _alexander fleming saw a strange blue mould in the dish around which_. this blue mould was in fact the _.in the 20th century, amazing discoveries were made in _. without the _ of these _, whether lucky or planned, the world as we know it today would _.(1) retell the text key words: nounsverbsadjse=mc2,theory of relativity telescope, galaxy, penicillin, bacteria, machine, missile, energy, microwaveinspire, explore, discover, notice, realize, destroy, save, cure, measure, dedicate, affect, breakthroughworld-famous, outspoken, unbelievable, far-reaching, mass-produced, first, huge, grateful(2) interview: write down your dialogue and finish the following sentences.preparation for the interview 5. compound words 四. 总结归纳7. cloze test of the textalbert einstein was suddenly_ when he was rocking his baby. he then showed in his “_” that not even time, _ or _ are _-they change according to _ of them.edwin hubble used the most _ telescope of the time and began the long, slow process of _. he discovered small areas of _ which proved that the _was larger than _alexander fleming saw a strange blue mould in the dish around whi