We don't live alone upon this earth. We are responsible for each other. If mankind will not learn that lesson, then the time will come, soon, when he will be taught it in fire and blood and anguish.

语音讲解

今日发音练习重点：

1. man'kind 重音在后

2. 单词缩约及不缩约的读法（听示范）：

we are(we're)/will not(won't)/he will(he'll)

言之有物

1. 词链儿：learn a lesson 学到一课、受到教训

I certainly learned my lesson about buying something from a stranger online.

我从在网上向陌生人买东西这件事上，真的学到教训了。

I learned my lesson. 我学乖了。

拓展：lesson learned 学到的教训

The lesson learned: prepare by educating yourself and always be willing to walk away.

记住：不断从中学习而且随时准备好离开。

2. 词链儿：teach XX a lesson 教XX一课、给XX个教训

If that doesn't teach him a lesson, I don't know what will.

如果这件事都不能给他教训，不知道什么还能。

同 give XX a lesson

...decides to teach me a lesson. ...决定给我个教训。

活学活用

请用 teach XX a lesson 随意造句

《罪恶之家》（An Inspector Calls）:影片改编自约翰·博因顿·普里斯特利的同名话剧，主要讲述一位探长为了调查一个年轻女工的自杀案件，登门拜访即将被封为爵士的亚瑟·伯灵的家庭，最后证明伯灵一家的每一个人都要对这个女工的死负责的故事。

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