2013中考英语词汇讲解旧词新义：know

know

I’ve known David for 20 years.

I hope we have taught our children to know right from wrong.

The old man has known both poverty and wealth.

know在教材中的意思为“知道，了解”，作动词用。在上面的三个句子中， know都作动词用，第一个know的意思为“认识”；第二个know的意思为“区分”；第三个know的意思为“亲身经历”。