U1 Topic1take place 发生.,进行volunteer n.志愿者bell n.钟声;钟.,铃Africa n.非洲disable adj.残疾的.,残废的shut v.关闭.,关上ever adv.在任何时候.,从来rope n.绳子.,绳索narrow adj.狭窄的various adj.,各种各样的report n.&v.通讯;交流keep in touch with 与.保持联系relative n.亲属.,亲戚telegram n.电报;电文rapidly adv.快速地.,迅速地since prep.&conj.自.从;既然reform n.改革.,改良reform and opening-up 改革开放satisfy v.使满足.,使满意medical adj.医学的.,医疗的cellphone=mobile phone 移动电话fax n.传真.,传真机machine n.机器.,机械rapid adj.迅速的.,快速的progress n.&v
