1．ambition n．追求，理想→ambitious adj.具有雄心抱负的
2．train v．训练，培训→trainee n．接受工作培训的人；实习生→training n．培训
3．detect v．侦探；发现→detective n．私家侦探
4．ultimate adj.最后的；最终的→ultimately adv.最后，最终
5．boy n．男孩→boyhood n．(男性的)童年时期，少年时代
1．issue n．问题，论点；担忧；发行；发行物；期号v.发行；公布；配给
①If you have any issues，please call this number. n.担忧
②This is a big issue；we need more time to think about it. n.问题
③The article appeared in issue 25. n.期号
④They issued a joint statement denying the charges. v.公布
⑤They issued a special set of stamps to mark the occasion. v.发行
⑥They issued rifles to the soldier. v.配给
2．ultimately adv.最后，最终；最基本地，根本上
①Ultimately，you'll have to make the decision yourself. 最后
②All life depends ultimately on oxygen. 归根到底
