1、Unit1 Reading（B 、C）精品教 案 Learning aims 知识目标：1. New words: imagine, crowded, polluted, hopefully, human, settler, float, various, compare, force, vehicle, population 2. Useful expressions: become crowded, travel at the speed of, produce oxygen, float away into, compare with, connect sth to, under the
2、 control of, 能力目标：1. To understand the context of a future life on another planet 2. To recognize and understand vocabulary about life on Mars 3. To recognize and list differences between life on earth and that on Mars Main points and difficult points To learn the vocabulary about the future life on
3、 Mars Learning procedures: 1. 自学展示 Read the article more carefully and try to tell the following sentences T or F. If it is false, please correct the mistake. 1. By 2100, people might live on Mars. ( ) 2 .Mars is becoming crowded and polluted. ( ) 3. By 2100,the space shuttles can travel at half the
4、 speed of sound. ( ) 4. By 2100, scientists can develop plants on Mars to get food and oxygen ( ) 5. Humans on Mars have to wear special boots to make themselves lighter. ( ) 2. 探究学习 Step1. Lead in Get the students to talk about the differences between life on Earth today and that on Mars Step2. Pra
5、ctice 1. Get the students to look at Part B1 and find the words in the passage, then match the words with the meanings. 2. Check the answers 3. Say: You know every coin has two sides. Here are some good points and bad points of living on Mars. We call the good points “advantages” and bad points “dis
6、advantages”. Lets see what advantages and disadvantages of life on Mars Life on Mars advantage 1. Its not _ or _. 2. The _ is more convenient. 3. People will wear special _. 4. People will have _ space. disadvantage 1. _ will do most of our work Low _ will be dangerous 2. Food does not taste _. 3. S
7、pace travel makes people feel _. 4. Its too _to stay outside. Retell Do Part B1 3. 课堂整理 some language points: 1) by the year 2100 2) produce food and oxygen 3) three eighths of 4) Float away into. 5) There will be various designs for settlers to choose from 6) The journey might take only a very shor
8、t time in space shuttles that travel at half the speed of light. 7) Compared with life on Earth, life on Mars will be better in many ways. 8) Every student will have a computer at home connected to inter-planetary network. developdevelopeddevelopeddeveloping developed countries/developing countries
9、sure(=certain) 肯定的、确信的、有把握的 be sure of /about sth /be sure to do sth/be sure that breathe (v.) air 呼吸空气 /out of breath(n.)气喘吁吁 tietiestiedtiedtying tie the horse to the tree (系、栓) wear a red tie lielieslaylainlying laylaid laidlaying(放,下蛋) taste (n.)=flavour taste( v.)tasty( adj.) at the moment=at p
10、resent= right now more and more crowded and polluted at the(a) speed of 以的速度 at half the speed of the light . one third=onethird two sevenths=two-sevenths about three eighths of the gravity get/be lost 走失、迷路 be missing/gone 不见了 keep/stop/prevent from doing sth. keep sb from floating in the air/preve
11、nt floating large numbers of = a large number of 大量的，大批的 a number of = many the number of 的总数，后接复数名词，但谓语动词 用单数 4当堂练习 用括号内所给词的适当形式填空: 1. There is less air _ (pollute) in town that in the town. 2. Look at the newest T-shirt. Its made of cotton. I think it will become _ (fashion) this summer. 3. Its _(
12、high) possible tha t people can live on Mars in the future. 4. Grandma is too old _ (settle) on another planet. 5. The helmet is made of metal. Its too heavy. When I wear it, I feel _ (comfort). 6. My father cooks very well. The food he cooks is as _ (taste) as that in the resta urant 7. Here are many kinds of moon cakes for you_(choose) from. 8. _ (compare) with what he had already, the new stamps were not very interesting. 9. _(hope), doctors have found a new way to operate on the patients - flying hospital. 10. We should keep water from _(be ) polluted. 教后记：
