collecting information about volcanoes is my job. 2. _________ my job is occasionally dangerous, I don’t mind because danger excites me and makes me feel alive.

　　3. _________ is known, when lava from the volcano flows, many houses will be covered 4. _________ lava or be burnt to the ground. However, my job helps scientists predict 5. _________ lava from the volcano will flow next and how fast, which can help protect ordinary people 6. _________ one of the most powerful forces on earth—the volcano.

　　I once 7.

　　(experience)the eruption of Mount Kilauea and was lucky to have a closer look at the 8. _________ (absolute)fantastic sight. When 9. _________ broke out, red hot lava fountained hundreds of metres into the air. All the lava 10. _________ (pass)slowly down the mountain caused great damage because it buried everything in its path under the molten rock.

　　答案: 1. scientific

　　2. Although

　　3. As

　　4. with

　　5. where

　　6. from

　　7. experienced

　　8. absolutely

　　9. it

　　10. passing

　　Ⅲ. 话题写作

　　根据提示, 利用本单元所学知识, 完成下面的小作文。

　　1. 与自然灾害, 如台风、飓风、洪水、地震和火山等相比, 人类很弱小。(compare with)

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