《Un it 1 Life on Mars 》学案9B Unitl Life on MarsThe first period: Comic strip and Welcome to the unit1. 自学展示：翻译下列短语：1、________________________________ 目前；此刻（2种）__________________________ 2 、我们自己的行星_____________________3、变得越来越拥挤和污染___________ 4 ________ 、建造一个更好的世界_5. _____________________________________ 运载大量的人们去火星6以光速的一半运行_______________________________________ _ _7、研发植物_ _ 8 、需要食物、水、空气来生存_ _9.八分之三_ _10 在一些方面_ _2、探究学习3、课堂整理1. in the form of 用（以）….的形式/take the form of 采取的…..形式2. net v. —n etted — n etted — n ett ingnet（v.用网捕鱼）fish 撒网捕鱼be caught in a net（ n.）陷入罗网3. I thought 我原以为4. get（ to ）my food 得到我的食物5. care for =look after=take care of / be cared for6. hink about 考虑、看法What do you think about /of China?think o f 想出、想起、考虑/think （it, them）over（副词）仔细考虑、思索D当堂练习完成下列句子1 Don ' t forget to wear _________ （太阳镜）when you go out2 我的家乡污染比南京少There is ________________ i n my hometow n ______ that in Nanjing3太空旅游将会使人感到很不舒服________________ will ________ people ___________________4 我们常把老师比作园丁. We often ______ our teachers _________ g ardeners .5你觉得这本书怎么样？---很有趣What do you ________________ t his book ?It ' s very __________6 What' s the ________ （人口） of China ? It ' s getting larger and larger7 He is driv ing his car at a s ________ of fifty kilometers an hour. _The sec ond period :Readi ng(A)1, 自学展示词组翻译：1. ______________________ 难以想象 ___ 2 _____________________________________ 至y 2100年__________________3. ____________________ 目前__________ 4 _____________________________________ 变得越来越拥挤，污染____5.以光速的一半 ___________6. 对早期的定居者来说是一个问题7. ______________________ 八分之三的 _ 8 _____________________________________ 使许多人感觉不舒服_________9.漂浮在太空______________ 10 ______ 在许多方面 __________________ 2,2. ________探究学习3. 课堂整理at the moment, at that moment, for a moment我此刻很忙。

请稍候。

在那个时候，他还是一名服务生。

2. by +过去时间，一般用过去完成时by +将来时间，一般用将来时到上学期末为止，我们看了几部英语电影。

到2100年我们将住到火星上。

3. First of all; at first首先，你必须努力学习。

起初他发现英语很难，但不久就发现它不难了。

4. large numbers of, a number of 许多的，大量的the nu mber of …的数量我们学校老师的数量是70多。

许多学生喜欢看侦探故事。

5. It takes（ sb. ）some time to do sth.乘火车从北京到上海需要多长时间？他每天花半小时读英语。

（两种）6. three-eights 八分之三，复习分数的表达法我们学校三分之二的教师是女教师。

7. To prevent this, humans on Mars have to wear special boots to make themselves heavier.制止某人做某事使我们笑，使她伤心我们应该阻止人们污染环境。

8. in some ways /i n the way /in a way 在某种程度上In many ways 在许多方面这部电影在许多方面比那部电影精彩。

从某种程度上说，独自完成家作是一个好主意。

9 .connect to 与…连接起来connect A to B 把A和B连接起来请把第一部分和第二部分连接起来。

他的电脑已经和我们学校的电脑连接起来了。

4. 当堂练习1. Our own pla net, Earth is beco ming more and more crowded and polluted.（more and more 越来越…）e.g.1）南京正变得越来越美Nanji ng ______ _________ ________ 一 ___________________ _____________2)这种长统靴可能会变得越来越时髦•The boots will probably become __________________ . ______________________2. There will be many differe nt desig ns for settlers to choose from.(注意动词后面的介词)e.g.我不知道我有问题的时候和谁谈谈。

I don ' t know whom I can when I have problems.3. Our spacecraft are too slow to carry large nu mbers of people to Mars.( 注意a large number of 禾口the number of 的区另U )e.g.我们学校学生的数量有2300人。

______________ the students in our school 2300. _____The third period :Readi ng B & C1, 自学展示Read the article more carefully and try to tell the follow ing senten ces T or F. If it is false, please correct the mistake.1. By 2100, people might live on Mars.()2 .Mars is beco ming crowded and polluted.()3. By 2100,the space shuttles can travel at half the speed of sound.4. By 2100, scie ntists can develop pla nts on Mars to get food and oxyge n ()5 Huma ns on Mars have to wear special boots to make themselves lighter.()2, 探究学习3. 课堂整理some Ian guage poin ts:.by the year 2100\17 \17 \17 \17 \17 \17 \17 .12 3 4 5 6 7.produce food and oxyge n.three eighths of.Float away in to....There will be various desig ns for settlers to choose from..The journey might take only a very short time in space shuttles that travel at half the speed of light..Compared with life on Earth, life on Mars will be better in many ways.8) . Every stude nt will have a computer at home conn ected to in ter-pla netary n etwork.develop —developed —developed —develop ing developed countries/developing countriessure(=certain) 肯定的、确信的、有把握的be sure of /about sth / be sure to do sth /be sure thatbreathe (v.) air 呼吸空气/out of breath(n.) 气喘吁吁tie — ties — tied — tied — tying tie the horse to the tree ( 系、栓) wear a red tielie —lies —lay---lain —lying lay —laid —laid---laying( 放,下蛋)taste (n .)=flavour taste( v.) ----- tasty( adj.)at the mome nt=at prese nt= right nowmore and more crowded and pollutedat the(a) speed of …..以…的速度/ at half the speed of the lightone third= one —third two seve nths=two —seve nths about three eighths of the gravityget/be lost 走失、迷路be miss ing/gone 不见了keep/stop/preve nt from doing sth.Keep sb from floati ng in the air /preve nt float ing large nu mbers of = a large nu mber of 大量的，大批的a number of = ma ny the number of …的总数，后接复数名词，但谓语动词用单数用括号内所给词的适当形式填空 ：1. There is less air _______ ( pollute) in tow n that in the tow n.2. Look at the newest T-shirt. It ' s made of cotton. I think it will become ____________________ (fashion)this summer. 3. It ' s _______ (high) possible that people can live on Mars in the future. 4. Gran dma is too old ______ (settle) on ano ther pla net. 5. The helmet is made of metal. It ' s 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 restaura nt.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 in terest ing. 9. ______ (hope), doctors have found a new way to operate on the patients --- flying hospital. 10. We should keep water from ____ (be) polluted. The fourth period :Vocabulary 1, 自学展示 翻译下列词组。