1 . 词性转换

1. starve vi.& vt.(使)挨饿；饿死→_______________n.饿死→_______________adj.极饿的
2. habitable adj.适合居住的→_______________adj.不适宜居住的
3. sustain vt.维持； 遭受； 承受住→_______________adj.可持续的；合理利用的→_______________n.持续性； 能维持性
4. frequent adj.频繁的；时常发生的 v.常去，常到→_______________adv.频繁地；经常→_______________n.频率；频繁
5. restrict vt.限制； 限定；束缚→_______________n.限制规定；限制法规；约束→_______________adj.受限制的
6. harmony n.协调；和睦；融洽→_______________adj.和谐的
7. moderate adj.适度的；中等的；温和的 vi.& vt.缓和；使适中→_______________n.适度；适中；合理
8. submit vt.& vi.提交；呈递；屈服→_______________n.提交(物)；呈递(书)；屈服

2 . She pays ________(frequency) visits to her parents as she lives not far from them. （所给词的适当形式填空）

3 . Old Tom used to be a f______ (经常的) visitor to the diner. （根据中英文提示填空）

4 . Accidents on that highway are happening with increasing ________ (frequent). (所给词的适当形式填空）

5 . Healthy eating along with ________ (经常的，频繁的) exercise is probably the only way to become fit. （根据汉语提示单词拼写）

6 . 频繁使用社交媒体会对青少年的社交能力造成负面影响。(affect)(汉译英)

8 . (1)She gives ________ (frequently) performances of her work, both at home and abroad. (用所给词的适当形式填空)
(2)Buses run ________ (frequent) between the city and the airport.

9 . He is a ________(频繁的) visitor to this country. (根据汉语提示单词拼写)

10 . He came to see me ________ (frequent) during that time, which made me surprised. （所给词的适当形式填空）