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
6．I won't do the purchase because the price of this dress is ________ (reason)．
答案：unreasonable
7．When they finally arrived, Mr Brown said ________ (angry), “I should be very ________ (interest) to meet the man who threw the stone you mentioned in the newspaper.”
答案：angrily; interested
8．Disney is famous for his influence in the field of ________ (entertain) during the 20th century.
答案：entertainment