硫酸根离子检验方法:It's the best preserved palace. 这里的preserved是动词分词还是形容词？

It's the best preserved palace. 这里的preserved是动词分词还是形容词？ what's the best way to flirt a girl? what's the best way to make pants last?what's the best way to win a race? _____is the pen? It's green. It's ( ) ,in the drawer? It's only the fairly歌词 It's only the fairly tale It stop outside the jeweller's. The boy's mother often says her son is the best boy under the sun. So come to Wally's,where you,the happy shopper,___our best customer!