1．Success in money－making is not always a good c__________ of real success in life.
2．It’s f___________ outside. You’d better put on more clothes.
3．The packet of white p_________ the police found in his room turned out to be cocaine.
4．What we need is a s__________ government.
5．Your invention is ingenious, but not very p__________.
criterion ****freezing****powder****stable****practical
