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。
If the first plan doesn’t work, we’ll have to carry out the alternative one.
如果第一计划行不通，我们将不得不执行代替方案。
(2).
c. n.选择；供选择的东西
e. g. He knew he had to work hard: there was no alternative.
=He had no alternative but to work hard.
他知道他必须努力工作，别无选择。
