实施人工降雨，用飞机在高空喷洒干冰，干冰进入云层后迅速 ____成为气体，并从周围吸收大量的热，空气温度急剧下降，使空气中水蒸气 ____成小冰晶，这些冰晶逐渐变大而下降，遇暖气后吸收热量而 ____为雨滴落到地面．（均填物态变化名称）

阅读短文，从方框中选择适当的单词填空                                                                    

       Changqing has a long history but it is the new district of Jinan. It ____  in the west of Jinan. and covers 1178 square kilometers. The ____  of Changqing is about 530,000. It has convenient transportation ____  it's easy to get here. There are many ancient places of interest for you to visit, such as Lingyan Temple, Xiaotang Hill and so on. It has changed a lot since it became the new district of Jinan. Now it has 15 colleges or universities. You can make your ____ come true there. And the Expo garden which was built newly attracts thousands____ visitors every year. Welcome to Changqing, and you will enjoy yourself.

对下列句子中加下划线的词语活用情况的归类正确的一项是 (　 　)

①假舟楫者，非能水也，而绝江河     ②吾从而师之

③虽大风浪不能鸣也                 ④余自齐安舟行适临汝 

⑤余之力尚足以入，火尚足以明也     ⑥今之众人，其下圣人也亦远矣

⑦士大夫终不肯以小舟夜泊绝壁之下   ⑧巫医乐师百工之人，不耻相师