请根据下列任务预习课文，并在课堂上按照老师的引导检查各项任务的完成情况。
Task I. Skimming
Read the text (P34 - P35) quickly and fill in the blanks.
The text is a first-person account of a volcanologist’s job. The author talks about the ________ of his work, the damage of the volcanic eruption and his first experience of it.
Task II. Careful reading
