人教九年级全册unit 13 We’re trying to save the earth整单元课件 音视频 5

Unit 13 We’re trying to save the earth! R·九年级下册 Section A 1a-2d Words review 乱扔；n.垃圾；废弃物 ____________ 底部；最下部 ____________ 渔民；钓鱼的人 ____________ 煤；煤块 ____________ litter bottom fisherman coal 丑陋的；难看的 ____________ ugly 优点；有利条件 ____________ 花费；n.花费；价钱 ____________ 木制的；木头的 ____________ 塑料的；塑料；塑胶 ____________ advantage wooden plastic cost × Don’t ________! litter The fish live at the _______ of the sea. bottom ___________ fisherman _________ chairs and table _______ bag wooden plastic _________ ugly Lead-in Watch a video and say what you find. 点击画面 播放视频 The _______ is polluted. earth _______ pollution _______ pollution air water _______ pollution noise Do you know any other kinds of pollution? Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones 1a loud music planes building houses mobile phones machines crowds vehicles cars factories smoking building houses burning power plants rubbish littering ships factories sewage noise pollution air pollution water pollution ____________ ____________ _____________ ____________ ____________ _____________ ____________ ____________ _____________ ____________ ____________ _____________ ____________ ____________ _____________ ____________ Language points 1. noise pollution 噪音污染 pollution为不可数名词，意为“污染；污染物”，其动词形式为pollute。 例句：这条河中有大量的污染物。 There’s lots of pollution in the river. noise为名词，意为“噪音”，形容词形式为noisy。 例句：如果你在晚上发出吵闹声的话，我的狗会叫。 If you make noise at night, my dog will bark. 【辨析】noise, sound与voice noise sound voice 意为“噪音，喧闹声”，常指不悦耳、不和谐的嘈杂声。 泛指自然界的各种声音。 一般指人的嗓音，如说话、唱歌、谈笑声等。 Don’t make _______ in the class! L