【推荐1】With the widespread use of the Internet, communications across the world have a s ________ development over the years. (根据首字母单词拼写)

【推荐2】The price of oil should remain ________ (稳定) for the rest of 1992. （根据汉语提示单词拼写）

【推荐3】词性转换
1. steady adj.稳定的→________________ adv.平稳地
2. mass n.块，团→________________adj.巨大的
3. economy n.经济→________________ adj.经济的
4. disturb v.干扰，扰乱→_________________ adj.令人不安的→________________ adj.烦恼的；心烦意乱的→________________n.打扰；骚乱
5. operate v.经营；操作→________________ n.经营者→________________ n.操作；经营；运转；手术
6. conserve v.保护；节省→________________n.保护→________________n.（动植物或古旧建筑的）保护工作者；环境保护主义者
7. apply v.申请→________________ n.申请人→________________ n.申请
8. favour n.支持，赞同→________________ adj.支持的
9. advertise v.（为……）做广告（宣传）→________________n.广告
10. negotiate v.谈判，协商→________________adj.可协商的→________________ n.谈判，协商
11. prefer v.更喜欢，偏爱→________________ n.优先(权)
12. qualify v.使具有资格→________________n.资格，技能条件→________________ adj.有资格的，合格的

【推荐1】Under the background of economic globalization, the manufacturing industry is facing very i______ competition. (根据首字母拼写单词)

【推荐2】If you encourage students to express their thoughts and creative ideas, they will learn to become________ (独立的) thinkers. （根据汉语提示单词拼写）

【推荐3】Photosynthesis is a highly _______________(复杂的) process.(根据汉语提示单词拼写)