Unit 8-词汇复习你认识这些词吗？adventure hikeporter altitudegymnastics dullexhausted transport写出名词形式anxious patientdistance prepare confuse equipexcite organize dictate survivelocal optionalhostel dullfuel cheerfulsurvival goal说出下列词的词性写出形容词形式exactly anxietysimilarity optioncomfort wealthcheer patience按词性分类major flow shelter observe extreme quantity function staff local desert
