1、人教版新课标英语高二下模块八 Unit 3：教案【第 6 课时】 The Sixth Period WritingTeaching goals 教学目标1. Target language 目标语言a. 重点词汇assistant, grateful, version, debate, conclusion, reaction, leave out, attract attention, water container b. 重点句子I would like to apply to become.I would be grateful if you could.If that is the c
2、ase, you must discuss which.2. Ability goals 能力目标Enable the students to write a successful letter applying for a job.3. Learning ability goals 学能目标Help the students learn how to write an application letter for a certain purpose.Teaching important points 教学重点How to write an application letter.Teachin
3、g difficult points 教学难点How to write about a Chinese invention.Teaching methods 教学方法Task-based activities. Teaching aids 教具准备A projector and a computer.Teaching procedures furthermore, continuing my education here would allow me to make important business contacts, with the career goal of opening my
4、own computer consulting firm in the near future. I would be grateful if you would consider employing me in your company.Yours sincerely,Li HuaStep WRITING TASKT: Look at the writing task on page 68, read the instructions and write an entry for an encyclopedia.A sample version:The abacus is typically
5、 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 into two sections, known as the upper deck and the lower deck.The standard
6、 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 a table or ones lap and pushing all the beads on both the upper and lower decks away from the be
7、am. The beads are manipulated with either the index finger or the thumb of one hand. Each bead in the upper deck has a value of 5; each bead in the lower deck has a value of 1. Beads are considered counted, when moved towards the beam that separates the two decks. After 5 beads are counted in the lo
8、wer deck, the result is “carried” to the upper deck; after both beads in the upper deck are counted, the result (10) is then carried to the left-most adjacent column. The right-most column is the ones column; the next adjacent to the left is the tens column; the next adjacent to the left is the hund
9、reds column, and so on. Floating point calculations are performed by designating 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 de
10、vices invented to help count large numbers. The earliest counting device was 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 the cost of those goods. Until numbers were invented, counting devices were used to make everyday calculations. Step HomeworkAsk the students to summarize what they have learnt in the unit and prepare for the next unit.
