1 . There are v________ on every continent, even Antarctic, some of which are considered potentially active and dangerous around the world today. (根据首字母单词拼写)
您最近一年使用：0次
名校
2 . 庞贝城(Pompeii)旁边有座平静的火山，它最终摧毁了整个城市。(倒装句)
您最近一年使用：0次
