高中英语 Unit22 Environmental Protection Lesson3 Natural Disaster导学案 北师大版选修8

1、Unit 22 Environmental Protection Lesson3 Natural DisasterStep 1:Learning Aims:(学习目标)1.To make sure students can pronounce the words correctly. 2.To master the usages of some important words and phrases.Important and Difficult Points:(重难点)To master the usages of some important words and phrases.Step2

2、: Check preview（检查预习）Let some students read words in lesson3 and communication workshop.Step3:Self-study（自主学习）一、重点单词1.n. 台风2.adj. 巨大的3.n. 范围;规模4.adj. 多变的5.n. 降雨量6.n. 灌溉7.adj. 艰难的8.adj. 在近海岸的9.n. 巨大的灾难10.n. 分离;分开11.n. 方法12.vt. 建造13.n. 砖;砖块14.adj.多山的15.vt.& vi. 逃走16.n. 可能性;潜在性二、重点短语1. 导致2. 谋生3. 彻底毁灭4.

3、 打开;袭击;恶劣地对待5. 克服6. _从恢复/痊愈7. 结果8. 处于风险中9. 武装着Step4: Cooperating （合作探究）词类转换：按要求写出下列单词的适当形式(1)changeable(adj.)_(v.)改变，变化（2）irrigation (n.)_(v.)(3)separation(n.)_(v.)(4)construct(v.)_ _(n.)(5)mountainous(adj.)_(n.)山（6）negative(反义词)_（积极的）（7）considerate(adj.)_(v.)思考，考虑（8）allocate(v.)_(n.)(9)politics(n.)

4、_(adj.)政治的（10）calculate（v.）_(n.)2.翻译下列短语（1）result from_(2)separate.from._（3）by no means_(4)flee from_(5)sum up_(6)all the best_(7)as a matter of fact_(8)break away from_(9)break out_Step5: Doing exercises（课堂检测）1.A t is a violent tropical storm with very strong wind. 2.How many people participated in

5、 the g ceremony? 3.Nowadays the international situations are c . You can never predict what will next happen precisely. 4.It is very dry here because there have been four years of below average r. 5.Sometimes women have a r time in our society when applying for a job.6.Britains o oil industry develo

6、ps very well these days. 7.No children would like to suffer from s from their parents. 8.All m have been tried to solve the problem. 9.It is our duty to c a harmonious society. 10.Some students in the m areas have no access to after-class reading materials. Step6: Summary and homework（小结和作业）1.Memori

7、ze these words and phrases.2.Preview the text of Lesson1. 答案Self-study（自主学习）一、重点单词1.typhoon2.grand3.scale4.changeable5.rainfall 6.irrigation7.rough8.offshore9.catastrophe10.separation11.means12.construct13.brick14.mountainous 15.flee16.potential二重点短语1.result in2.earn ones living3.wipe out4.turn on 5.get over6.recover from7.as a result8.at risk9.be armed withCooperating （合作探究）词类转换：按要求写出下列单词的适当形式1.change2.irrigate3.separate4.construction5.mountain6.positive7.consider8.allocation9.political10.calculation2.翻译下列短语1.由于2.把与分开3.绝不4.从逃走5.总结，概括6.祝一切顺利7.实际上8.摆脱，脱离9.