选择性必修第一册 Unit 3 Conservation-【创新教程】2024高考英语总复习大一轮教师用书word（新教材，北师大版）

UNIT 3　CONSERVATION 主题语境——人与自然之环境保护 词块背诵 佳句赏析 1.help save energy and resources帮助节约能源和资源 2．up to three quarters of all species 多达四分之三的物种 3．at risk of dying out 面临灭绝的风险 4．take steps to save endangered species 采取措施拯救濒危物种 5．keep the product lasting longer 延长产品使用寿命 6．get stuck in traffic jams 陷入交通堵塞 7．produce various types of greenhouse gases 产生各种类型的温室气体 8．cut the risk of heart disease 降低患心脏病的风险 1.To protect our homes, let the earth be full of green. 保护我们的家园，让地球充满绿色。 2. Let the green in life with, let the heart fly in the green. 让绿色在生活中洋溢，让心灵在绿色中放飞。 3．Take the green to every corner of the world，and let the green into people's minds. 把绿色带到世界每一个角落，让绿色流入人们心中。 4．Green is our survival hope, beautification is fundamental to our life. 绿化是我们生存的希望，美化是我们做人的根本。 [核心单词] 1．threat n．威胁；(灾难等坏事)发生的可能 [教材原句]　After the lecture，I can see that the use of oil and coal is one of the biggest threats to our planet. 听了讲座后，我明白了石油和煤炭的使用是对我们星球最大的威胁之一。 ①a threat to sb./sth. 对某人/某物构成威胁 ②threaten v. 威胁 threaten sb. (with sth.) (用某物)威胁某人 threaten to do sth. 恐吓要做某事 ③threatened adj.受到威胁的 [练通]——单句语法填空 (1)Our neighbour threatened 　to call　 (call) the police if we didn't stop the noise. (2)Some cultures see direct eye contact as impolite or 　threatening　 (threaten) behaviour, while Americans see it as a sign of genuineness and honesty. (3)His position as leader will be under 　threat　 (threaten) at a party congress next month. [金句]——完成句子 (4)Pollution is　 a threat to the continued existence of this species　. 污染对这一物种的继续生存造成了威胁。 2．switch vi.& vt. 转换，改变 n．开关；转换 [教材原句]　We definitely need to switch to different forms of power as soon as possible. 我们确实需要尽快转换到不同形式的能源。 switch on 接通，打开 switch off (＝turn off)把……关掉，关上 switch over (to sth.) 转换频道；转变 switch (from sth.) to...从……转变到…… switch roles 转换角色 switch A with B把A与B交换 [练通]—— 单句语法填空 (1)At first, the speaker was referring to the problem of pollution in the country but halfway in his speech, he suddenly switched 　to　 another subject. (2)When a tape is put in the