Topic 3 What can we do at home to protect the environment?
Section C
一、学习目标：
1、作为阅读文章，旨在培养学生通过阅读材料获取信息的阅读技能，同时通过上下文语境猜测词义培养学生的学习策略。
2、巩固学习并列句式。
3、重点词汇及句子：①biogas technology, renewable e nergy, up to, hold, in the near future, maglev train, energy-efficient, electric vehicle, heat from deep in the earth, run of.
②People produce power from coal, but it is very birty and causes acid rain.
③To solve the energy problem, people all over the world are looking for new ways to produce power.
④It’s too small to hold many people, but larger models will be developed in the near future.
⑤The train can reach a top speed of 431 km per hour .
