research on/into 对……的研究,调查
resistance to 对……的抵抗,阻力
response to 对……的回答,反应
responsibility for 责任,负责
restrainst on sb/sth 限制,约束
search for 对……的搜寻
service to 服务,贡献
similarity between ……的相似之处
skill at 技巧,熟练
solution to ……的解决办法
sorrow at/for/over 悲哀,悲痛
stress on 对……的强调
From:https://www.zgghmh.com/CET-4/20003475.asp