(
课件网) harm soil n.&vt. 伤害，损害 n. 土壤；国土，领土，土地 Read after the tape and speak out the Chinese immediately. Unit 1 Nature in the balance P1 Welcome to the unit What environmental problems can you find in the video water pollution rubbish pollution marine (海洋) pollution deforestation (滥伐森林) soil pollution forest fire air pollution loss of biodiversity climate change global warming acid rain (酸雨) desertification (荒漠化) What else environmental problems can you list 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 1 Find out the wrong behavior in the picture. noise pollution heavy smoke clear-cut logging smoking shooting birds littering on the ground wasting water letting off off-gas pouring out waste water littering into the water What can you do to help protect the environment P1 2 Possible 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 called for garbage classification to help save resources and protect the environment. According to the central government's plan, all major cities are expected to initiate garbage classification. metal 金属 plastic 塑料 glass 玻璃 paper 纸类 expired food 过期食品 food leftovers 剩菜剩饭 fruit peels and cores 果皮渣滓 viscus 禽畜内脏 lamp bulbs 灯泡 paint and containers 油漆 insecticides 杀虫剂 stained papers 卫生纸品 dust 灰尘渣土 disposable goods 一次性用品 cigarette butts 烟头 batteries 电池 Which recycling bins will you put them into If we save the environment, we save ourselves. 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 Engels 但是我们不要过分陶醉于我们人类对自然界的胜利。对于每一次这样的胜利，自然界都对我们进行报复。 -- 弗里德里希·恩格斯 1. Can you list some environmental problems 2. What can you do to protect the environment in your daily life Self-evaluation 各个击破 1. Finish the exercises in Learning English. 2. Preview Reading on pages 2-3.
