support: is lease explicit about the nature of the assistance given: people who ~ the development of the area.


uphold: implies extended support given to something attacked: ~ the legitimacy of the military action.


advocate: stresses a verbal urging or pleading: ~d a return to basics in public school education.  （verbal指语文，包括书面written和口头oral，如标准化考试中的verbal test语文考试，但有一个特例verbal agreement只表示口头协议，不表示书面协议，一般也不用oral代替）  （plead: 1恳求, 2辩护，这里用1）


back: suggests a supporting by lending assistance to one failing or falling: allies refused to ~ the call for sanctions.


champion: suggests the public defending of those who are unjustly attacked or too weak to advocate their own cause: ~ the rights of pregnant women.


support支持: 泛指帮助，指代最不明确，因此最通用，uphold支持: 指长期地支持受攻击的(extend扩展)，advocate提倡: 强调使用语言文字去敦促请求，back支持: 表示支持即将失败或跌倒的，champion支持: 表示公开地为遭受不公或弱势的人保护辩护(defend保护辩护)。


记忆方法： 1）首字母US ABC想成美国华人<==支持     American Born Chinese


          2）支持的意思是帮助遭到反对的mean to favor actively someone or something that meets opposition.         （favor意思是支持赞成有利，如favorable weather有利天气）