for students of senior 21.courage n.勇 气encourage v.鼓舞 ，鼓励encouragement n.鼓励 ，奖励2.comfort v.安 慰；使缓和comfortable adj.舒 适的uncomfortable adj.不舒 服的；不舒适的3. impress v. 使 得深刻印象;打动impression n.印象impressive adj.给人深刻 印象的，感人的4.volcano n. 火山volcanic adj. 火山的volcanology n.火山学 volcanologist n.火山学家courageen + mentencourageencouragementn.勇气v.鼓舞，鼓励n.鼓励，奖励enenforceforce enenrichrich enenlargelargeenforcement enrichment enlargementprefix stem prefix stem 前缀前缀 词干词干suffixsuffix 后缀后缀At first I didnt have _ to do well at school, but he always _ me. Im getting pretty well now and Im very grateful for the _ she gave to me. (encourage) courageencouragedencouragment1.courage n.勇 气encourage v.鼓舞 ，鼓励encouragement n.鼓励 ，奖励2.comfort v.安 慰；使缓和comfortable adj.舒 适的uncomfortable adj.不舒 服的；不舒适的3. impress v. 使 得深刻印象;打动impression n.印象impressive adj.给人深刻 印象的，感人的4.volcano n. 火山volcanic adj. 火山的volcanology n.火山学 volcanologist n.火山学家【练习】根据句子结构，用括号内所提供词的适当形式填空1) His _ speech about the doctor who worked heart and soul for Tibetan people _ us so much that it gave us a deep _.(impress) 2) _ usually go to live _ to take the temperature of the boiling rock inside.(volcano) 3) In order to _ herself, she sat into a _ sofa and soon the feeling disappeared. (comfortable) Volcanologistsvolcanoesimpressiveimpressedimpressioncomfort comfortableuncomfortable