Unit 1 Happy Holiday 1、explore → explorer(n.探索者) → exploration(n.探索) 2、travel → travel(l)er(n.旅行者) → travel(l)ing(adj.旅行的) 3、reserve → reservation(n.预订) → reserved(adj.预留的;矜持的) 4、beautiful → beauty(n.美丽) → beautify(v.美化) 5、danger → dangerous(adj.危险的) → endangered(adj.濒危的) 6、excite → excitement(n.兴奋) → exciting(adj.令人兴奋的) 7、decide → decision(n.决定) → decisive(adj.决定性的) 8、relax → relaxation(n.放松) → relaxed(adj.感到放松的) 9、wonder → wonderful(adj.极好的) → wondr
