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人教2003课标版《Learning about Language》最新教案优质课下载
[学习目标] 自主学习，合作探究；学会在适当语境和情景下正确使用本单元的列出的知识点。
【自主学习】
Task I: Put the following words and phrases into English:
Words：
1. 系统 n. ___________ 2. 氧 n. ___________
3. 猛烈的; 激烈的 adj. ___________ 4. 天文学n. ____________________
5. 有害的 adj. _______________ 6. 存在; 生存 vi ______________
7.（使）迷惑/为难 vt. ______________ 8. 太阳的 adj.__________________
Phrases：
9. 及时; 终于______________ 10. 下蛋 _________________
11. 产生; 分娩_____________ 12. 轮到某人 _______________
13. 阻止; 制止______________ 14. 感到高兴; 感到振奋 _____________
15. 既然 ________________ 16. 突发; 爆发_____________
17. 密切注意; 当心; 提防 ________________ 18. 依靠 _________________
Task II: Write down the words according to the hints.
Prep. different from, not similar to ______________
N. the mixed gases that surround the earth ___________________
Adv. for that reason; for this reason _________________
V. increase, add to the number of ________________
Adj.very important or necessary _____________________
N. idea that tries to explain something __________________
Task III：Study some important words and expressions:
1.It was not immediately obvious that water was to be fundamental to the development of life.(P26-18)
fundamental adj. being at the base / of the greatest importance
基础的，基本的，根本的，重要的