留心处处皆学问，课文中有丰富的作文素材和好词好句，多加积累，背诵，仿写，改写和应用，对两篇作文的提升有非常大的好处。
摘自高中外研版必修二Unit6 Earth First（适合有关绿色环保生活方式的应用文）
P88
1.Reduce waste by choosing reusable products - get a reusable water bottle, for example.
通过选择可重复使用的产品来减少浪费——例如，买一个可重复使用的水瓶。
2.Try to reduce your carbon footprint. Walk or ride a bike instead of taking a car.
尽量减少你的碳足迹。步行或骑自行车而不是开车。
3.Use renewable energy such as solar energy and wind power.
使用可再生能源，如太阳能和风能。
4.The less energy you use, the less carbon dioxide is released. Replacing a regular light bulb with an LED bulb is a great start.
你使用的能源越少，释放的二氧化碳就越少。用LED灯泡代替普通灯泡是一个很好的开始。
5.Water conservation is important because clean water is a limited resource. Also, we use a lot of energy to process clean water.
节约用水很重要，因为干净的水是有限的资源。我们也使用大量的能源来处理干净的水。
6.Planting trees can help a lot in reducing the greenhouse effect because trees absorb the carbon dioxide in the air.
植树对减少温室效应有很大帮助，因为树木可以吸收空气中的二氧化碳。
P90
1.So, take a reusable bag with you when you go shopping.
所以，当你去购物的时候，带上一个可重复使用的袋子。
2.When you leave, to make sure your appliance is in fact off, remove the plug from its power supply.当你离开时，要确定你的电器实际上是关闭的，从电源上拔下插头。
3.If you spend more than eight minutes in a shower, you’ll use as much water as in a bath - about 50 litres of water. Therefore, the key is to keep your shower time as short as possible.
如果你淋浴的时间超过8分钟，你就会用掉和泡澡一样多的水——大约50升水。因此，关键是要保持你的淋浴时间尽可能短。
