精选优质文档-倾情为你奉上必修5Unit 1 1.characteristic n. _2.radium n. _3.painter n. _4.put forward _5.scientific adj. _6.conclude vt. & vi. _7.conclusion n. _8.draw a conclusion _9.analyse vt. _10.infect vt. _11.infections adj. _12.cholera n. _13.defeat vt. n . _14.expert adj. n_15.attend vt. _16.physician n.