Unit4AdversityandCourage;adversityn.困境；逆境[C]adversities,;;bitteradj.味苦的;严寒的；激烈而不愉快的;;expeditionn.探险；远征；探险队;endurancen.忍耐力；耐久力【U】;vigour(NAmEvigor)n.精力；力量；活动[U];turnv.转弯(单宾+系动词)n.弯;qualityn.质量

;enthusiasticadj.热情的；热心的;boardn.木板；董事会；伙食vt.上船（机）;assignvt.布置；分配（单宾/双宾/复合宾）;st