1、教学教材：外研版高中英语新教材必修第三册教学教材：外研版高中英语新教材必修第三册教学内容：教学内容：Unit 3 The world of ScienceUnit 3 The world of Science第七课时：第七课时：Presenting ideas & Presenting ideas & reflectionreflectionSchedule of My Class Part 1: Presenting ideas (Speaking) 20 minsPart 2: Refelction (Review) 20 minsStep 1 Observing Look at the
2、pictures(P36) and discuss how these objects have changed over the years.radiotelephonecomputer evolve v. 演变，进化演变，进化Part AStep 1 Observing size:function:big smalluser-friendlyStep 2 Thinking 1. How have telephones changed over years?2. Why did they change so much?3. What benefits do they bring to us?
3、4. Can you predict their changes in the future?They have become much smaller and are having multi functions now.They have changed so much in order to adapt to peoples needs. Their evolutions have made our lives more convenient and comfortable. I hope it can equip a function of voice call, so that I
4、can find my cellphone at any time. Choose one object in your house. Predict how it will further change over the next 50 years. Make notes about your ideas.Step 3 WritingMy object: _How it will change:_Why it will change:_Step 3 WritingTVlampcomputerbedpentoothbrushStep 3 WritingMy object: _How it wi
5、ll change:_Why it will change:_USEFUL EXPRESSIONSIt will become.People will use . instead of .It will be . for people to .There will be no . because .Present your ideas to your parents or your little pet. Step 4 Presenting My object: _How it will change:_Why it will change:_BedIt will have the funct
6、ions of alarming and massaging.Nobody will be late for school or work. We can relax ourselves after a day of hard work.Intergrate your notes into a short passage with the help of useful expressions. Step 5 IntegrationAs the old saying goes, everyong will spend one third of their time on bed, so the
7、bed is really of great importance to us.With the development of technology, the bed will evolve absolutely. In the furture, it will equip an alarm inside and people will never be late for school or work. Whats more, it will have the function of massage,which will relax our body after a day of hard w
8、ork.Both of the evolutions will make our lives more comfortable and convenient, and that is what we call the miracle of technology. Step 1 Reflecting on vocabulary flexible a. stream n. brilliant a. lightning n. attach v. instance n. origin n. account n.Word match Part B 聪颖的聪颖的 闪电闪电 描述描述 起源起源 系，绑系，绑
9、 例子例子 小河小河 柔韧的柔韧的Step 1 Reflecting on vocabulary This is not the perfect solution, but it is the only one I could _ _ _(想出来想出来). Theres a postage and packing fee _ _ _(除开除开) the repair charge. _ _ (即使即使) you have dark skin, you still need protection from the sun. However, _ _ _(在在.方面方面) nutrition, f
10、ast food is far from satisfactory. The UK uses its own currency _ _(而不而不是是) using Euros like in other European countries.Fill in the blanks with proper e up within addition toEven if in terms of instead of Step 2 Reflecting on grammar Physicists have changed the way we look at the world. _ 2. Some c
11、ompanies have adapted smartphones to be worn on your body as wearable tech. _ 3. Jerry has wondered about the function of radium ever since he was little. _Rewrite the sentences using the present perfect passive._The way we look at the world has been changed by physicists._ _Smartphones have been ad
12、apted to be worn on your body . by some companies._The function of radium has been wondered about by Jerry ever since he was little.Step 2 Reflecting on grammar4. Geographers have almost mapped every bit of 4. Geographers have almost mapped every bit of our our planet. planet._5. Inventors have deve
13、loped TVs with screens so 5. Inventors have developed TVs with screens so good that good that it is hard to tell the difference between it is hard to tell the difference between their pictures their pictures and real life. and real life._Rewrite the sentences using the present perfect passive._Every
14、 bit of our planet has almost been mapped by geographers._ _TVs have been developed with screens so good by inventors that it is hard to tell the difference . In the film Back to the Future 2, the hero travels to the future and discovers shoes that adjust their sizes to fit, and jackets that dry the
15、mselves after they get wet. Believe it or not, such kinds of wearable tech are not too far away from becoming a reality. In fact, even more incredible wearable technology _ to the shops already. Perhaps the most useful of these relate to fitness and health. Complete the paragraph with the correct fo
16、rm of the words in the box (two words are extra).has been introduceddesign, introduce, lose, reduce, publish, save, sell Many lives _ by devices that monitor heart function or send messages when blood sugar gets low. Many people _ kilos in weight thanks to fitness trackers which help monitor their e
17、xercise. Of course, the most popular reason to use wearable technology is to have fun. For example, over one million virtual reality headsets _ all over the world so far, mostly for watching films and playing video games, and clothes _ to change their pattern and colour depending upon the wearers em
18、otions.Complete the paragraph with the correct form of the words in the box (two words are extra).have been saveddesign, introduce, lose, reduce, publish, save, sellhave losthave been soldhave been designed1. Think of some practical problems that you face in daily life and make a list.2. Decide what inventions you will design to solve the problem.3. Share your invention with the class next period.Assignment: design & presentThe problem: _My invention:_How it works:_USEFUL EXPRESSIONSit bothers me so much that.with the help of .in addition toto ones satisfactionAssignment: design & present
