仁爱科普版Topic 2 All these problems are very serious.教案及反思
展开Sectin C 教学设计
Ⅰ.Teaching aims
1.Knwledge aims:
掌握本课的重点词汇和短语,初步感知定语从句。
进一步学习各种污染对地球造成的危害和造成这些污染的原因。
2.Skill aims:
能读懂有关环境问题的文章。
能根据不同的阅读目的,运用简单的阅读策略获取信息。
能正确运用网络资源获取需要的信息。
能用英语书面的形式表达环境问题的成因及危害。
3.Emtinal aims: (ptinal)
通过学习,了解环境现状,帮助学生树立绿色环保意识。
4.Culture awareness: (ptinal)
了解各种环境问题,如臭氧空洞,温室效应等,意识到环境问题的严峻形势。
Ⅱ. The key pints and difficult pints
1. Key pints:
Wrds and phrases: hle, frm, rise, xygen, zne layer, radiatin, directly, carbn
dixide, blanket, escape, the greenhuse effect, refer, during this
perid, take away, pass thrugh
Sentences:
(1) Frests have becme deserts, s mre and mre srts f animals and plants are
disappearing.
(2) As a result, many rivers and lakes are nw dead.
(3) T much harmful radiatin frm the sun passes thrugh the hle and
reaches the earth directly.
(4) It causes the level f the ceans t rise and the climate f the earth t change.
(5) When it rains r when the wind blws, the earth is taken away.
(6) The heat frm the sun can't escape, s the temperature is rising.
Grammar: indefinite prnun and adverb
2. Difficult pints:
理解有关环境方面的专业术语。
能读懂与环境问题相关的科普类文章。
能运用所学知识,写出谈论环境现状的文章。
Ⅲ. Learning strategies
能在阅读不同体裁的材料时,运用不同的阅读策略获取信息。
善于利用插图预测科普类文章的内容。
能合理运用网络资源,拓展写作思路和开拓视野。
恰当使用连接词,使自己的作文流畅,有逻辑层次。
Ⅳ. Teaching aids
与环境相关的图片;国际臭氧层保护日宣传片等。
Ⅴ. Teaching prcedures
Step 1. Review
课前练习,复习Sectin A-B的内容。
Step 2. Lead in
出示地球妈妈生病的图片,导入环境问题。
Step 3. Pre-reading
出示环境问题的图片和一些提示词,让学生说一说。
教授单词:xygen, zne, hle, radiatin, frm, blanket, escape, rise.
词组:take away, zne layer, carbn dixide, the greenhuse effect.
Step 4. While-reading
1.给图片连线,预测文章内容。
2.阅读文章,完成1b第1题。教授单词:directly。
3.再读课文,完成1b的第2,3,4,5小题。
4.观看视频,跟读。
Step 5. Pst-reading
1.同桌合作,完成1c的表格填空。
2.小组合作:根据课前搜集的资料,谈论环境问题及其影响。
3.根据1c的表格和活动2讨论的结果,写一篇短文。完成活动3。
Step 6. Summary
1.小结本课知识点。
2.练习。
3.布置作业。
Ⅵ. Blackbard design
Unit 2, Saving the Earth
Tpic 2 Pllutin has caused t many prblems.
Sectin C
(1) Frests have becme deserts, s mre and mre srts f animals and plants are disappearing.
(2) As a result, many rivers and lakes are nw dead.
(3) It causes the level f the ceans t rise and the climate f the earth t change.
(4) When it rains r when the wind blws, the earth is taken away.
(5) The heat frm the sun can't escape s the temperature is rising.
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