宁夏银川市第四中学九年级英语全册 Unit 9 When was it invented.Section B 3a-4b学案（无答案） 人教新目标版

Unit 9 When was it invented.Section B 3a-4b学案一教学准备Teaching Aims：1.通过阅读文章3a培养学生的阅读技能，通过完成3b,4a培养学生的写作技能，通过完成4b，培养学生的口语表达能力。2. 学生学会助人为乐，知道如何提供帮助。Teaching Focus：阅读理解能力训练。 Teaching difficulties：To have a revision of the knowledge we have learnt.二、资料准备：课本P72 SectionB3a 4b 三、学习过程：Step One: 单词过关：1 世纪，百年（n.）_2.创造，发明（v.）_3 分开 (v.) _4. 装满，填满 (v.) _ 5.（去）拿来；请来(v.) _ 6. 支持，帮助(v.) _7 捐赠；赠送l(v.) _ 8. invent(v.) _ (n.) 创造，发明/_发明人 9 salt (n.)_ (adj.)咸的10.please(v.) _(adj.)令人愉快的，合意的/ _(n.)令人高兴的事 11 mix (v.) _ (n.)混合物 12. active (adj.) _ (n.)活动，活跃13 wood (n.) _ (adj.)木制的 14. popular l(adj.) _(n.)普及，流行 词组过关1. be used _ 用来做- 2. by_ 偶然地 3. fall_ 跌倒，从落下4. _this way 用这种方法 5. knock_ 撞到，与-相撞6. divide_把- 分成（几部分）7. dream_ 梦想，梦到8._mistake 错误地，无意地 9. _the end 最后，终于 10.according_ 按照，根据-所说设计意图：学习新单词和短语，为阅读短文打好基础。Step Two：句型转换1. Shoes with adjustable heels were invented by Jayce Coziar and Jamie Ellsworth. (对划线部分提问) shoes with adjustable heels invented by?2. Electric slippers were invented two years ago. (对划线部分提问) electric slippers invented?3. Battery-operated slippers were invented in 1970.(用Julie Tompson作主语改写句子) battery-operated slippers in 1970.4. Someone saw him swim in the lake yesterday. (该为被动语态) He swim in the lake yesterday.二Do T or F;5. The chocolate tastes sweet（划线提问）_ _the chocolate _?6. I prefer lemons to oranges. （变同义句） I _ lemons _ _设计意图:通过这一活动，使学生掌握词语的用法。四：反馈达标：1.They read English every day. -_.2. He did his homework last night. -_.3. You must finish your homework now. -_. 4. My un