"It's easy to find out whether flamingos are friends or not.Usually,(4) each group of friends sit or stand less than one neck length away from each other.So when other groups of flamingos come too near,they will extend(伸长) their long necks(5) to fight(figh...
Some people express anger openly in a proper way.Others cry with anger,and shout loudly. But other people keep their anger inside.They can't or will not express it. (2) ABut many doctors think it is more dangerous to a person's health than expressing anger.They ...