2020-2021学年高二同步新教材人教版（2019）选择性必修第三册学案UNIT 3 导读话题妙切入

1．Nature，to be commanded，must be obeyed. —Francis Bacon 欲驾驭自然必先顺之。 ——弗朗西斯·培根 2．We won't have a society if we destroy the environment. —Margaret 如果我们毁坏了环境，社会也就不复存在。 ——玛格丽特 3．Only to obey nature in order to overcome nature. —Charles Darwin 要征服自然只能遵从自然。 ——查尔斯·达尔文 4．Nature is kind of a loving mother，but also a butcher in cold blood. —Victor Hugo 自然不仅是位慈爱的母亲，还是个冷血的屠夫。 ——维克多·雨果 One of the things that I think eco­literacy would help us do is to bring back—through experience—those wonders of encounters with wildlife with other creatures and ourselves. And that would actually contribute to our quality of life —that would contribute to our learning. With the development of economy，more and more greenhouse gases are being discharged into the air. CO2 makes up about 70% of the greenhouse gases，which is considered to be one of the greatest causes of global warming.It has harmful effects，causing the sea level to rise and many natural disasters to strike. So we must take effective measures to save