1、选修八 Unit3 Inventors and inventionsPeriod4 Using languageTeaching aims（教学目的）Knowledge aims:1. Help the students learn how to write an application letter for a certain purpose.2. Let students learn how to write a successful letter applying for a job. Ability aims:1. Train students speaking ability, es
2、pecially persuading people.2. Develop students writing ability to write a successful letter applying for a job.Emotional aims:1. Enrich the Ss s knowledge of writing.2. Train students ability to cooperate with others.Teaching emphasis（教学重点）1. Develop students speaking and writing abilities.2. Enable
3、 the students to write a successful letter applying for a job.Teaching difficulties（教学难点）1. Let students learn to develop their speaking ability.2. How to develop students writing ability.Teaching &learning procedures (教学与学习过程)Step1. Preparing lessons &self-study and exploring the problems (预习自学，探究问
4、题)Finish the tasks given in the last period before class.Step2.Finishing plan & asking questions（完成学案，提出问题）Warming upIn the listening period, we have known something about James Dyson and his Company. Do you remember?S1: Yes. I have known James Dyson is a famous British Inventor who has made great i
5、nventions.T: Well, would you like to get a job in his company in the future? Why?S2: Sure. I think it will be pleasant and worthwhile for us young people to have a chance to go abroad and work in a famous company like this. Im sure both my English and my work experience can be greatly improved if I
6、am lucky enough to work there. If there is a job of an assistant in his company, what will you do in order to get it?S3: I will first make a phone call to the personnel manager and ask for as much information as possible so as to get well prepared for the job interview. In the letter to the company
7、I would like to list all my skills, experiences and abilities in all aspects and try my best to get the job.Step3.Researching cooperatively& answering questions(合作探究, 解决问题)Task1. Writingplease write a letter to apply for the job as an assistant, please read the instructions in the writing part on pa
8、ge 27 first. A sample version: Dear Mr Dyson,I would like to apply to become an assistant in your company. As a child I often accompanied my father to his small coin shop and spent hours watching him work. When I grew up, I sometimes set up displays, waited on customers, and even balanced the books.
9、 This experience instilled in me the desire to own and manage my own business someday, yet I understand that the business world today is more complex. This complexity requires more education, and with that in mind, I am applying to work in your company to gain more experience and learn more about bu
10、siness.In addition to my helping out in my fathers business, I have had numerous other work experiences that further enhance my qualifications for this job. My resume enumerates the various positions I have held at Kerasotes Theaters, Chilis restaurants, and Indiana Universitys new Student Recreatio
11、nal Sports Center (SRSC), and what all of these positions have in common is an emphasis on serving the public effectively. Further, as an assistant manager at the Showplace 11 and a staff coordinator at the SRSC, I have gained valuable expertise in managing employees and creating work schedules. Bot
12、h of these positions have allowed me to develop my sales and personal skills, which are extremely important in an increasingly service-driven marketplace.Also, I recently participated in an internship program for academic credit with the Eli Lilly Corporation in the personnel division. As a manageme
13、nt intern, I was able to watch the workings of a major corporation up close and would like the opportunity to combine my experiences with the theoretical background available in the MBA program at IUB, with its emphasis on computers, marketing and human resources.My successful internship is one elem
14、ent of my overall academic success as an undergraduate at IUB, yet I have also made time for a variety of extracurricular activities, including working for my sorority and competing in intramural basketball matches. My positive experiences here have resulted in my desire to work in your company; fur
15、thermore, continuing my education here would allow me to make important business contacts, with the career goal of opening my own computer consulting firm in the near future. I would be grateful if you would consider employing me in your company. Yours sincerely, Li HuaStep4.Summing &chewing, summar
16、izing knowledge（总结反刍 ，知识梳理） Task2. Writing task (on p67) You have been asked to write an entry for an encyclopedia about one of these three Chinese inventions. Choose one and prepare to write your report. You will include a photograph or drawing, but you must explain some important points in your re
17、port: a description of the object what it was used for how it was used when it was inventedMake sure that each point is a new paragraph. Make the first sentence of each paragraph a topic sentence and then add all the information. Finish the report by station when it was produced in China and when it
18、 was found in Western countries. A sample version: The abacus is typically constructed of various types of hardwoods and comes in various sizes. The frame of the abacus has a series of vertical rods on which a number of wooden beads are allowed to slide freely. A horizontal beam separates the frame
19、into two sections, known as the upper deck and the lower deck. The standard abacus can be used to perform addition, subtraction, division and multiplication. The abacus can also be used to extract square-roots and cubic roots.The abacus is prepared for use by placing it flat on table or ones lap and
20、 pushing all the beads on both the upper and lower decks away from the beam. The heads are manipulated with either the index finger or the thumb of one hand. Each head in theupper deck has a value of 5; each beads in the lower deck has a value of 1. Beads are considered counted, when moved towards t
21、he beam that separates the two decks. After 5 heads are counted in the lower deck, the result is carried to the upper deck; after both heads in the upper deck are counted, the result 10 is then carried to the left-most adjacent column and so on. Floating point calculations are performed by designati
22、ng a space between 2 columns as the decimal-point and all the rows to the right of that space represent fractional portions while all the rows to the left represent whole number digits. The abacus is one of many counting devices invented to help count large numbers. The earliest counting device was
23、the human hand and its fingers. Then, as larger quantities (larger than ten human fingers could represent) were counted, various natural items like pebbles and twigs were used to help count. Merchants who traded goods not only needed a way to count goods they bought and sold, but also to calculate t
24、he cost of those goods. Until numbers were invented, counting devices were used to make everyday calculations. Step5.Testing in class & improving skills（随堂检测，落实考点） Task3. Finish Writing task at P68.Step6. Assessment & Homework（课堂评价，布置学案）1. Go over all the words and phrases in this unit;2. Finish the writing task unfinished in class;3. Finish the writing task .5
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