1 . 词性转换
1. contribute v.贡献，投稿，捐献→________________ n.贡献
2. relief n.减轻，缓解→________________ v.减轻，缓解
3. short adj.缺少的→________________n.短缺，不足，缺乏
4. effect n.效果；作用→________________adj.有效的，产生预期效果的
5. donate v.捐赠，捐献→________________ n.捐献
6. real adj.真实的；实际的→________________adv.真实地；实际地→________________ vt.领悟；了解；实现；实行→________________n.真实；现实；逼真→________________adj.写实主义的；现实主义的；现实的
7. disable vt.使人丧失能力；使残疾→________________adj.有残疾的；伤残的→________________ n.残疾，残障
8. generous adj.慷慨的，大方的→________________ n.慷慨，大方
9. hesitate v.迟疑，犹豫→________________ n.迟疑，犹豫
10. assist v.帮助，援助→________________n.帮助，援助→________________n.助手
11. confirm v.证实，证明→________________n.证实，证明
12. temporary adj.短期的，短暂的；临时的→________________adv.临时地
13. achieve v.实现→________________n.成绩，成就
14. major adj.重要的，主要的→________________n.大多数
15. treat vt.& vi.治疗；对待；款待 n.款待；招待→________________n.治疗；疗法；对待；待遇

3 . It was because of the great c______(贡献) he made to the company that he was promoted to be the general manager of his department. (根据中英文提示单词拼写)