1. wealthy adj. 富有的；丰富的
Around noon they arrived in Toronto, the most wealthy and biggest city in Canada.
拓展：
a wealthy land富饶的土地
a wealthy family富裕的家庭
to live a healthy and wealthy life过健康富裕的生活
wealth n. 财富
a man of wealth富人
考点例题：
His parents got rich by making money on the stock market, so he lived in a w_______ family.
2. worthwhile adj. 值得做的；值得出力的
I think teaching foreign language is worthwhile.
Her interest makes our efforts worthwhile.
This is a worthwhile cause.
拓展：辨析：worth, worthy, worthwhile
（1）worth只能做表语，后接名词或主动形式的动名词
