仁爱版初三英语上册全册教案5

复习巩固本单元topic 2中所学重点句型和语法，提高学生综合运用语言的能力。
1. (复习巩固前面学过的有关现代科技及发明的重点句型，提高学生的口语表达能力。)
t: boys and girls, we have learned something about spaceships, satellites, cloning, robots and gps. the new technologies and inventions have improved our life greatly. could you say something about them?
ss: yes.
t: ok. i made some cards with some key words on them. each of you tries to say a sentence with the key words. are you clear?
ss: yes.
t: ok, begin!
(出示写有关键词的卡片。)
(1)  proved, made great progress, developing, space industry
s1: they have proved that china has made great progress in developing its space industry.
(2)  spaceships, controlled, computers
s2: spaceships are mainly controlled by computers.
…
2. (复习一般过去时的被动语态，导入新课，并呈现生词research。)
  (出示神五及嫦娥一号的图片。)
t: when was shenzhou ⅴ launched, s3?
s3: it was launched in .
t: when was chang’e ⅰ launched, s4?
s4: it was launched in .
t: well done! they have proved that china has made great progress in developing its space industry. is it right, s5?
s5: that’s right. i’m sure we’ll send more spaceships into space.
t: of course we can. maybe people will fly to mars one day. do you think it is magical?
ss: yes, that’s very exciting.
t: do you want to be an astronaut like yang liwei?
s6: yes. i hope that i can travel to the moon one day.
…
t: boys and girls, if you can be an astronaut in the future, you can do more research about space. but you should study hard now to make your dreams come true.
(板书并要求学生掌握。)
research
step 2  presentation 第二步  呈现(时间:12分钟)
呈现1a，完成1b。培养学生的听说技能和阅读理解能力。
1. (让学生听1a前讨论，以加深理解。)
t: boys and girls, i will ask you two questions before listening. please discuss them in two minutes.
(1) do you think people will live on mars in the future?
(2) do you believe there are aliens in space?
(两分钟后，播放1a录音,让学生带着问题听, 提高学生的听力水平。)
t: ok. let’s listen to the dialog and answer the questions on the small blackboard.
(出示小黑板。)
(1) what are they going to do this saturday evening?
(2) is it a movie about aliens?
(3) what can people do on mars in that movie?
t: boys and girls, can you answer the questions?
(核对答案。)
2. (将学生分成两大组朗读1a，让学生画出关键词，再读一遍1a，完成1b。)
t: open your books. girls act as maria. boys act as kangkang. read the dialog. after reading, find out the key words and phrases in it. read it once again and finish 1b.