我们在其他行星上还没有发现生命

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Module 3 Journey to space
Unit 2 We haven't found life on other planets yet .
Teaching Aims and Demands:
1. Language knowledge:
New words: planet, solar, also, none, environment, air, grow, grown, part, galaxy, billion, universe, light, beyond, alone, entrance, cost, prefer, solar system
Key structures: Present perfect tense with just, already and yet. (重点)
2.To understand passages about space travel involving present perfect tense. (难点)
3. Attitudes: We should love science and our country.
Learning strategies: Communicative approach.
Teaching Aids: Multi-Media (Tape recorder, video, OHP, handout)
Teaching Procedures:
Part I: Revision
Help students to revise what is learnt in Period one of this module.
Show them some pictures about the new words in last period. Have the Ss. spell them chorally and individually.
Revise the p.p. forms of some irregular verbs

be
was/were
been
have
had
had
give
gave
given
sell
sold
sold
write
wrote
written
go
went
gone
get
got
got
come
came
come
fly

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