5 . The years be spent in the countryside proved to be a(n) _______________ (有回报的，有意义的) experience. (根据汉语提示单词拼写)

7 . 词性转换
1. ________vt.(尤指以法令)禁止；阻止→prohibition n．禁止；阻止；禁令
2. ________ adj.值得做的；有益的→reward n．报酬；奖金 vt.酬劳；奖赏
3. ________ vi.有吸引力；呼吁；恳求；上诉 n. 吸引力；呼吁；上诉；请求→appealing adj.吸引人的
4. ________ adj.可爱的；讨人喜爱的→adore v. 热爱，喜爱
5. ________ vt.(提供)消遣；(使)娱乐→amusement n．娱乐(活动)；愉悦→amusing adj.觉得好笑的；逗乐的→amused adj.好笑的；有趣的
6. ________ n．时尚；时兴；流行款式→fashionable adj.流行的，时髦的
7. ________adj. 稀少的；珍贵的；(肉)半熟的→rarely adv.几乎不
8. ________ n．娱乐；招待；娱乐活动；文娱节目→entertain vt.款待；使快乐→entertaining adj.使人愉快的，娱乐性的

8 . The routine tasks that occupy most of the day are demanding, but they can also be ________ ________
占用一天里大部分时间的日常工作要求高，但是也会非常有意义。

10 . Travelling along the old Silk Road is an interesting and ________ experience one will keep in mind for a long time.

A．mature

B．infectious

C．rewarding

D．mutual