多选题 Soon after the first visitors arrived, increasing numbers of the residents of the remote island thought it possible that the outside world, instead of being ______, could be ______ and worth exploring.
【正确答案】 C、F
【答案解析】[解析] ●instead of说明前后反义重复；and说明同义重复。
●第二空和worth exploring(值得去探索)同义重复，第一空与此反义重复。
●amiable好脾气的，insular与世隔绝的，threatening有威胁的；cooperative合作的，unlimited无限制的，fascinating迷人的。答案选CF。