4 . 虽然摘苹果很累，但结果是有益而且有趣的。
Though picking apples was tiring, __________________.

6 . 他认为他所做的是值得的。
He thinks ________________________________________________．

7 . 通过这次有意义的成人礼仪式，我们意识到我们必须更加努力学习，以回报老师和父母的耐心教导。
__________________we are aware that we should study harder __________________the patient instructions of our parents and teachers.

8 . 词性转换
1. assist v.协助，帮助→________n. 协助，帮助→________n. 助手，助理 adj. 助理的，副的
2. relieve v. 给(某人)换班→________adj. 放心的，宽慰的→________n. 救济；减轻，缓解
3. special adj. 特殊的→________n. 专家→________adv. 特殊地
4. infect v. 传染，使感染→________adj.传染性的→________n. 传染，感染
5. devote v. 致力于；奉献；投入(时间、精力等)→________n. 奉献；热爱→________adj. 献身的；忠诚的
6. harmony n. 和睦，和谐→________adj. 和睦的，融洽的，和谐的→________adv. 和睦地，和谐地
7. reward n. & v. 奖赏；酬劳；获得；赢得→________adj. 值得做的，有意义的
8. divide v. 分开→________n. 分歧，分裂
9. influence n. & v. 影响→________adj. 有影响力的

9 . 选词填空

stretch, demonstrate, reward, witness

1. Despite the fact that it was dangerous and exhausting, climbing the mountain was a very __________ experience for me.
2. The two stone lions standing in front of Tian’anmen have __________ many great historic events.
3. There’s been no public __________ of opposition to the President.
4. The great Himalayas has the largest mountain peaks in the world and __________ around six countries in Asia.