Unit 1 Welcome to the unit ppt课件-（2020）新牛津译林版高中英语必修第三册.ppt

1、Unit 1 Nature in the balanceP1 Welcome to the unitWhat environmental problems can you find in the video?water pollutionrubbish pollutionmarine (海洋海洋) pollutiondeforestation (滥伐森林滥伐森林)soil pollutionforest fireair pollutionloss of biodiversityclimate changeglobal warmingacid rain (酸雨酸雨)desertification

2、 (荒漠化荒漠化)What is the message of the song?Humans have done much harm to the Earth, and we have to take action to change this situation.P1 1Find out the wrong behavior in the picture.noise pollutionheavy smokeclear-cutloggingsmokingshooting birdslittering on the groundwasting waterletting off off-gasp

3、ouring out waste waterlittering into the waterWhat can you do to help protect the environment?P1 2Possible answewr: We can use less paper and fewer plastic bottles and bags. Cutting down on electricity usage can also help reduce the air pollution that power stations create.President Xi Jinping has c

4、alled for garbage classification to help save resources and protect the environment. According to the central governments plan, all major cities are expected to initiate garbage classification.metal 金属金属plastic 塑料塑料glass 玻璃玻璃paper纸类纸类expired food过期食品过期食品food leftovers剩菜剩饭剩菜剩饭fruit peels and cores果皮渣

5、滓果皮渣滓viscus禽畜内脏禽畜内脏lamp bulbs灯泡灯泡paint and containers油漆油漆insecticides杀虫剂杀虫剂stained papers卫生纸品卫生纸品dust 灰尘渣土灰尘渣土disposable goods一次性用品一次性用品cigarette butts烟头烟头batteries电池电池Which recycling bins will you put them into?Let us not, however, flatter ourselves overmuch on account of our human victories over nature. For each such victory nature takes its revenge on us.-Friedrich Engels1. Can you list some environmental problems?2. What can you do to protect the environment in your daily life?1. Finish the exercises in Learning English.2. Preview Reading on pages 2-3.