i．单元教学目标 (技能目标) talk about volcanoes and the work of volcanologists practise expressing fear and anxiety learn the –ing form used as adverbial in a sentence write about an experience in a nature disaster ii．目标语言 1． 功能句式: expressing fear and anxiety. i was so excited about what i had done and where i was, i forgot my fear. i was very worried that… i was very relieved when…
