Module 1 Life in the Future
（词汇和课文重点句子讲解）
第一部分：词汇
1. alternative
(1). adj.替换的；其他的；供选择的
e. g. I offered the alternative suggestions of spending the vacation in the mountains or by the sea.
我建议这次假期不到山上就到海边去。
In the future, we will use more alternative energy, such as wave power and wind power.
将来我们不得不更多的其他能源，如潮汐能和风能。
