高中英语课件：What happens to the earth.ppt

,enjoy learning, enjoy english!,enjoy learning, enjoy english!,what happens to the earth?,global warming,know more about global warming.,is ?,what,opinions?,linking words (连接词),causes ?,summary of linking words(连接词) . 并列递增：and, bothand ,whats more, besides, also 转折 : however, yet, but, (though) 时间顺序: first/ first of all / at first, next, then, after that, before, when, later, at last / finally / in the end 因果 ：so, because (of), therefore, for, as a result, sothat 举例说明：for example, such as, like 概括：in short, in a word, 其它： ,topic,what global warming is,causes,two different opinions.,people to take actions to protect the earth,some,others ,at the beginning, the writer shows , then he finally, ,the structure （结构）of a passage,title,key point 1,key point 2,maybe,there will be terrible disasters, such as,flood!,drought!,forest fire!,earthquake!,maybe,more ice sheets will melt. the sea level will rise.,help me, help you, help everyone. return green to the earth!,return green to the earth! help me, help you, help everyone.,lets take actions!,go on foot or by bike stop riding in cars turn off the lights when leaving a room reuse water never use plastic bags plant more trees ,my low-carbon life,my name is li ming, i think its necessary for us to help protect the environment.,as a middle school student, i go to school on foot every day. and i always remember to turn off the lights, the tv and the fans when i leave the classroom. when im not using water, i always turn off the tap. besides, i often reuse water, for example, after finish washing clothes, i use the water to clean the floor. whats more, i never use plastic bags. i also think saving paper is a good way, so i often make full use of paper.,in a word, its important for us to live a low-carbon life, lets do something useful around us to protect the environment! therefore, our world will become better and better,my low-carbon life,my name is li ming, i think its necessary for us to help protect the environment. as a middle school student, i go to school on foot every day. and i always remember to turn off the lights, the tv and the fans when i leave the classroom. when im not using water, i always turn off the tap. besides, i often reuse water, for example, after finish washing clothes, i use the water to clean the floor. whats more, i never use plastic bags. i also think saving paper is a good way, so i often make full use of paper. in a word, its important for us to live a low-carbon life, lets do something useful around us to protect the environment, therefore, our world will become better and better!,enjoy your homework!,choice a: students who have completed the first passage go on the second topic based writing. choice b: students complete the draft(草稿) of the first passage.,thank you!,a . the war nuclear bomb核弹 gas bomb毒气弹 radiation辐射 chemical weapons化学武器 ban the war peace,b. smoke from factory harmful gas acid rain 硫酸雨reduce/air pollution solar energy太阳能 wind power hydropower水力发电,c. cutting down