英语人教版九年级全册Unit 13 Secion B 2a-2d.ppt

Unit 13 We are trying to save the earth.;What about sunrise What about rain What about all the things That you said we were to gain What about killing fields Is there a time What about all the things That you said was yours and mine Did you ever stop to notice All the blood weve shed before Did you ever stop to notice This crying Earth the weeping shores Aaaaaaaaaah Aaaaaaaaaah;pollution;Causes: a huge number of cars, factories, coal-burning …;Causes: loud music, airplanes, cars , mobile phones … ;water pollution ;Look and say;2a;1. The air is badly polluted because there are ________on the road these days. 2. Factories that burn coal also ______ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People ___________________things away every day. 4. People are also littering in____________ like parks. Th is turns beautiful parks into ugly places.;Help save the earth ; What do you usually do ? Are you a friend of the Earth?; ; ; ; ; Are you a friend of the Earth? ;watch and think;Can we do something to save the earth?;2d; Discussion: What can we do to save the earth in our lives ? ;turn off the lights when you leave a room ;take the bus or ride a bike instead of driving;stop using paper towels or napkins （餐巾/餐巾纸）;throw the rubbish in the bins;don’t smoke in public ;save water / turn off the tap ;don’t waste food ;take the bus or subway ride a bike bring a bag to go shopping throw rubbish in the cans turn off the lights when you leave a room recycle books and paper turn off the shower when washing hair don’t take wooden chopsticks or forks rethink, reuse, recycle ... ...;1.Review the new words and expressions. 2.Write about what you can do to help save the earth in your life.;Thank You!