1 . Green, ________ (可持续的) tourism is considered to have offered the best of both worlds, protecting the ecology of an area while keeping local businesses booming. (根据汉语提示单词拼写)

2 . 词性转换
1. starve v.（使）挨饿→______________ n. 挨饿→______________ adj. 饥饿的
2. ecology n. 生态→______________ adj. 生态的→______________ n. 生态学家
3. habitat n. 居住地；栖息地→______________ adj. 适合居住的→______________ n. 居民
4. sustain vt. 维持；保持→______________ adj. 可持续的；合理利用的
5. restrict vt. 限制→______________ n. 限制规定；限制法规；约束
6. harmony n. 和谐→______________ adj. 和谐的
7. origin n. 起源；出身→______________ v. 起源→______________ adj. 最初的
8. conserve v. 保护→______________ n. 保护→______________ n. 环境保护主义者
9. regulate v. 规定→______________ n. 章程；规章制度
10. tolerate vt. 容忍→______________ n. 容忍→______________ adj. 宽容的

4 . Each support international understanding, peace, inter cultural dialogue, ________ (可持续的) development and quality education.