(1)be beneficial to　　　对......有益

　　(2)benefit vi.& vt. 得益于；使受益

　　　　　　　　n . 利益，好处

　　benefit from/by 从......中受益

　　to one's benefit 对某人有益

　　be of benefit to (＝be beneficial to)

　　 对......有益

　　for the benefit of 为了......的利益

　　②This trade agreement will be beneficial to all countries.

　　这个贸易协定对所有国家都有益。

　　③We should spend the money on things that will benefit everyone.

　　我们应把这笔钱花在大家都能受益的事情上。

　　④I really like to talk with him like this because I can benefit so much from it.

　　我真的喜欢和他像这样谈话，因为我可以从中受益很多。

　　⑤Proper exercise every day is of great benefit to our health.

　　每天做适量的运动对我们的健康很有好处。

　　[联想发散]　of＋抽象名词＝该名词的形容词。试写出下列形容词。

　　①of use ＝useful

　　②of help ＝helpful

　　③of value ＝valuable

　　④of importance ＝important

　　2．(教材P18)Nearly 3，500 years ago, people chewed on leaves or drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever.

　　将近3 500年以前，人们咀嚼一种含有特殊化学物质的树叶或饮用由这种树叶制成的茶，以减轻身体疼痛和退烧。

　　★possess

　　(1)vt.拥有，具有(特质)(不用于进行时)

　　①He decided to give away everything he possessed and became a monk.

　　他决定放弃他所有的一切，出家为僧。

　　(2)vt.支配，控制(多用于被动语态)

　　②She felt that she was suddenly possessed by/with fear.

她感到恐惧突然向她袭来。