Unit 3 Science versus nature教學設計（表格式）

s: gm has the power to save lives through its use of medicine.step ii lead-in as we all live in the human society, we have to communicate with each other to live a better life. therefore, on the one hand, we need to ask for other people’s opinions, on the other hand, we have to introduce our own opinions. so learning how to ask for people’s opinions and how to introduce your own ideas are especially important. today we’ll learn some useful expressions to about this. now look at the screen.step iii speakingthere are three steps in this procedure, including filling an interview form, pair work, and group work. the first step is used to arouse the students’ interest in gm food. the second is used for students to practice asking for people’s opinions. and the third one is used to practice introducing new ideas into discussion.a sample:i prefer free-range food to gm food because it is natural. however, gm technology is a great breakthrough in the field of science, and it should be praised. in spite of some quality problems, scientists are trying every means to make it perfect. in the future, gm food may be very popular because it’s delicious, cheap and in good quality. anyway, the buyers should have freedom of choice. gm food should be labeled. perhaps people will accept gm food several years later when they can take great advantage of gm food.t: your presentation is wonderful.step iv homeworkpreview skills building 3. 

課     題

unit 3 science versus nature

課時9-7writing

主備人

swan

授 課 時 間

教 學 目 標help the students learn how to write a formal letter.enable the students to write a formal letter and form their own opinion about gm food.

教學重、難點how to write a formal letter using the skills.

教、 學  具a projector and some slides.

預習要求workbook教師活動內容、方式

學生活動內容、方式

旁  注step i lead-int: do you know how to write a letter?s: at the beginning, we should write down ‘dear and the receiver’s family name’.t: what about a formal letter? can you write a formal letter? today we are going to learn something about it.step ii writing in this procedure, students are given three tasks. the first one is to learn the structure of a formal letter, the second one is to do some exercises to consolidate, and the third one is to write a formal letter by themselves about the gm food. let’s do some exercises. check the answers.a sample letter:                                                                 he ping street