2017--2018学年人教版选修八Unit 5 Metting your ancestors reading学案
2017--2018学年人教版选修八Unit 5 Metting your ancestors reading学案第3页

 alternative energy 可替代能源

an alternative to.........的替代品

have no alternative but to do sth.别无选择只好做......

She had no alternative but to ask for a few days'leave.

实在不得已,她只好请几天假。

【跟踪典例】

(1)完成句子

①除了继续下去,我们没有选择的余地。

We ________ ________ ________ ________ ________ ________ ________.

②除了战斗,没有其他的办法。

There is ________ ________ ________ ________ ________.

(2)用恰当词语填空

As there is less and less coal and oil, scientists are exploring new ways of making use of ________ (可替代的)energy, such as sunlight, wind and water for power and fuel.

2.starvation n.挨饿;饿死

☞In Africa, there are people dying of starvation in the famine.

在非洲,有一些在饥荒中饿得濒临死亡的人。

【知识拓展】

starve vt.& vi.(使)饿死;渴望

starve to death 饿死

starve for sth.渴求/需要什么

starve to do sth.想要干某事

starve sb.into sth./into doing sth.断绝食物(或资金)来源以迫使某人做某事

【跟踪典例】

(1)完成句子