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专题技能突破(46) 词汇之派生【技能讲解】 有人说：“得单词者得天下。”在英语学习中对于单词的学习尤为重要。首先，掌握单词的第一个层面是认识单词的含义。构词法的学习将帮助知道更多单词的含义，有效的扩大词汇量。,英语的构词法主要有：派生法、合成法和转化法。派生法——词根加前缀或后缀构成一个新词的方法。典例剖析(5)变动词 adj.前＋en或后＋en(或n) (6)变否定 技能演练The virus can move to and affect every part of the body causing direct damage to organs as well as internal bleeding and cause multisystem organ ________ (fail)． 答案：failure 2．I was ________ (deep) touched that words I wrote to help make sense of my dark days could lighten the dark days of someone across the world. 答案：deeply 3．Do not carry too much money or ________ (necessary) credit cards. 答案：unnecessary 4．If what I was about to say was wrong, the ________ (possible) of our team winning would be destroyed ________ (complete)． 答案：possibility; completely 5．I was supposed to arrive at the airport on time. ________ (fortunate), I was held up by the heavy traffic jam. 答案：Unfortunately | 
