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英文中常用否定前缀总结.doc

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1、英文中常用否定前缀总结anti-表示,相反的,相对的 antibody 抗体non-表示“非”nonhuman 非人类英语中大部分否定前缀构词法:1 dis加在形容词前- agreeable(adj.使人愉快的) disagreeable(adj.不愉快的)- content(adj.满意的 vt.使满足) discontent(adj.不满的 vt.令人不满 n.不满)- graceful(adj.优美的) disgraceful(adj.使失体面的, 耻辱的)- honest(adj.诚实的, 正直的) dishonest(adj.不诚实的)- satisfactory(adj.满意的)

2、dissatisfactory(adj.不满意的)加在名词前- agreement(n.同意) disagreement(n.意见不同)- honesty(n.诚实, 正直) dishonesty(n.不诚实, 不老实)- ability(n.能力, 才干) disability(n.无力, 无能)- grace(n.优美, 雅致) disgrace(n.耻辱)- comfort(n.舒适 vt.安慰) discomfort(n.不舒适 vt.使不舒适)可以加在动词前- agree(v.同意) disagree(v.不同意)- appear(vi.出现) disappear(vi.消失, 不见

3、)- believe(相信, 信任) disbelieve(v.不信, 怀疑)在名词前加 dis 得到动词, 表示除去、解除。 - courage(n.勇气, 精神) discourage(vt.使气馁)- root(n.根, 根部) disroot / unroot(vt.连根拔除)- mask(n.面具, 掩饰 v.戴面具, 掩饰) unmask / dismask(vt.揭露, 暴露)- burden(n.担子, 负担 v.负担) disburden(v.解除负担)2il - 加在以 i 开头的形容词之前- legal(adj.法律的, 法定的) illegal(adj.违法的)- lo

4、gical(adj.合乎逻辑的) illogical(adj.不合逻辑的)- literate(adj.有文化的 n.学者) illiterate(adj.没受教育的 n.文盲)3im - 加在以 b, m, p 开头的形容词之前- possible(adj.可能的) impossible(adj.不可能的)- mortal(adj.必死的, 人类的) immortal(adj.不朽的)- moral(adj.道德的) immoral(adj.不道德的)- balanced(adj.平衡的) imbalanced(adj.不平衡的)- balance (n.平衡) imbalance(n.不平

5、衡)4ir - 加在以 r 开头的形容词之前- regular(adj.规则的) irregular(adj.不规则的)- rational(adj.理性的) irrational(adj.无理性的)- resistible(adj.可抵抗的) irresistlble(adj.不可抵抗的)5in -主要用于其它字母开头的词之前- human(adj.人性的) inhuman(adj.野蛮的)- correct(adj.正确的) incorrect(adj.不正确的)- justice(n.正义, 公平) injustice(n.不正义, 不公平)- sincere(adj.真诚的) insi

6、ncere(adj.虚假的, 不真诚的)6un -只能用于形容词和动词之前不- happy(adj.快乐的) unhappy(adj.不幸的, 不快乐的)- friendly(adj.友好的) unfriendly(adj.不友好的)- lucky(adj.幸运的) unlucky(adj.不幸的)无- conditional(adj.有条件的) unconditional(adj.无条件的)- limited(adj.有限的) unlimited(adj.无限的)非- official(adj.官方的, 正式的) unofficial(adj.非官方的, 非正式的)- just(adj.正义

7、的, 公正的) unjust(adj.不公平的)未(主要用于过去分词之前)- undecided(adj.未定的) unfinished(adj.未完成的)- unexpected(adj.未预料到) unhurt(adj.没有受伤的)用于动词之前表示做相反的动作- lock(v.锁, 锁上) unlock(vt.开.锁)- tie(vt.系, 打结) untie(vi.松开, 解开)- cover(vt.覆盖) uncover(vt.揭开, 揭露)- pack(vt.包装) unpack(v.打开包裹)- dress(v.穿衣) undress(vt.使脱衣服)- load(v.装载) un

8、load(v.卸货)Exercise:1 polite(adj.有礼貌的) impolite(adj.无礼的, 粗鲁的)2 agree disagree3 legible(adj.清晰的, 易读的) illegible(adj.难辨认的, 字迹模糊的)4 accurate(adj.正确的, 精确的) inaccurate(adj.错误的, 不准确的)5 locked unlocked6 regular irregular否定前缀填空1. You will be_ (able) to pass the exam if you dont study hard.2. There are lots o

9、f _ (common) kinds of birds in Zhalong. Many people like to go birdwatching there.3. It is _ (necessary) for you to walk the little dog once a week to the park.4. It is _ (important) to keep quiet when you watch the birds and insects.5. He feels _(happy) because he lost his wallet.6. There is a _ (r

10、egular) rain in Sahara desert every year.7. Is it _(possible) to get to the city by train?8. Some people are _ ( friendly) to birds. They throw stones to them.9. Some people feel _ (happy) that government give poor people such small and _(comfortable) flats.10. It is _ (safe) to walk on the street a

11、t night.11. We should keep students staying away from the _ (healthy) books.12. These trainers are too small. They are _(comfortable) to wear.13. If someone does not show good manners to others, he is _(polite). 14. Jim never tells lies and he is an _ (honest) boy.15. This girl is so _(care) that sh

12、e often makes mistakes in her homework. 江苏 13 城市中考试题汇编1. Its _(friendly) of him to say such bad words to his classmates. (08 常州)2. Dont get _(patient) about your personal trouble. (08 无锡)3. He seemed _(friend) at first, but now Ive got to know him and I realize hes warm and kind. (08 徐州 )4. If someo

13、ne doesnt show good manners to others, he or she is _(polite). (08 宿迁)5. Its so _(不公平的)! Mary gets more money for less work. (09 镇江)6. The basketball team was _(luck) to lose in the final minute of the game. (09 徐州)7. In some ways, the space shuttles travel fast, but the journey to Mars may be very_

14、(comfortable). (09 泰州)8. its _(possible) for us to finish so much work within so little time. We need help. (2010 南通)9. Simon is such a _(honest) person that no one believes him. (2010 扬州)10. Dont be _(patient)! You should listen to what he is saying first. (2010 常州)11. It is _(possible) for me to design the poster without your help. (2010 泰州)12. its not easy for those superstars to face _(无穷无尽的)interviews and doubts. (2010 镇江)

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