维克多英语《新方略》Unit 48-49 前缀(1)

Step II: 小组讨论 思维导图：温故知新，内容概要
antidedis-
il /im /ir否定前缀
mis-
counterun-
non-
Step III: 教学聚焦
PREFIX
常见5种前缀
PRE = before UN = not DIS = opposite of MIS = wrong RE = again
5. Some families go without medical treatment because of their ———————— to pay.
6. She is deaf, but refuses to let her disability prevent her frionmfodrominagl whaatnsthie-vwiraunsts to do.
P205
P208
Step IV: 学以致用，知识拓展
Step IV: 学以致用，知识拓展
Part II综合训练 一、给画线单词加上适当的前缀，并用其正确形式填空。
1. Better to undetstand a little than tomisunderstanda lot. 2. Even in a fbaiyr msoicstiaektyelife seems so unmfaaikre a mistake sometimes. 3. Sarah was usually patient, ybouut smhuestgboetimmipstaatkieinngtamfterfowrasiotminegonfoerealsne hour in the queue.
misunderstand: _错__误__地__—___理__解_ __误__解_______
misbehave: _错__误__地__—__行__为__ __行__为__不__正______
mislead: _错__误__地__—___领__导_
___误__导__________
5. re- = again 再；重新
1. pre- = before 在……之前；预先
pre-tax: ____前__—__税_____ pre-order: __前__—__购__买_____ pre-school: _前__—__学___校_____
___税__前_________ _预__购_________ 学__龄__前_______
6. In some states the legal age for drinking is 18, so it’s illegal
to sell alcohol
to teenagers under 18.
not everyone can learn from (their) mistakes
7. "Good morningfi is formal, while "Hi" is very inform. al 8. The software can protect your computer from a virus infection, anti-virus
7.
use Nowadays,
millions
of
peoplemisuse
and even overuse pain medications and other drugs. （10上
海补8.全In文thm章eac改koeu）nthtreysmidies,tamkaenyofraiirlrweasypolinnessidb_ils_eu_s_e_d_h(a不ve再be使co用me的pa；ths废fa弃r np的eoon)p-lpertoofiwtalk on.
2. un- = not 不；表示相反
unlike: _____不__—__像____ uninstall: ___不__—__安__装____ undo: ______不__—__做___
____不__像_______ ___卸__载________ ___撤__销________
3. dis- = opposite of 不；否定；相反
教师：启发指导
anti dis estab ment arian ism
lish
反对; 相反; 防
不; 否定; 相反;
创立; ……的 者 建立 动作 (表示人)
(表示名词)
主义
答案：antidisestablishmentarianism 释义：__反_对__政__教__分__离_者__主__义___
二、 给提示词加上适当的前缀，并用其正确形式填空。
cover
uncover
to
1. Science has a stand up. 2. With the help
lobofyt（homifg1ihu5sst湖teaesck北.heInt阅oclao读ngy）, moremlaanwisdusumnnoffdoamnreiearrastnkutearewen,adscmuubriessttdaaniskceeeassehsa,vme abkeeednbiosmcobvs,eareninddthheelppabsrtidges
4. Father ability
sometimes
goes
towk.baidu.com
the
gym
with
not
us although he
dislikes everyone can learn
goiilnlgegthaelre.10 湖南单选改） frionmabi(ltihtyei(r无) m法i；sta没k能es力)
years.
you must biemmpiasttaieknintg me for someone else
like
unlike
irregular
3. IWt'shaat mI siaswtawkeastocotmhipnlketethlyat
discouanntything I had experienced in the past.（17 全国完形）
4. The part-time worker got tired of workingirregularhours and he wanted a regular job.
5I.t'Ts haemmisatnakaegtroeetdhitnokgtihvaet me a 1% discount , but it didn't count for much.
维克多英语词汇教学探讨与实践
Unit 48 & 49 前缀
教学目标
1
网络化、结构化分类学习构词法（词缀） 知识，成组成串记忆词汇
2 培养学生的语用能力，温故知新，举一反 三，提高猜词能力
Step I: 导入 构成单词三元素：词根、前缀、后缀
词根
中心意义
前缀
方向
后缀
词性
学生：猜词抢答
antidisestablishmentarianism 释义：_____________
replay: _再__一__次__—__播__放__ redo: __再__一__次__—__做___ rename: _再__一__次__—__取__名__
___重__播_________ ___重__做_________ __重__命__名_______
Step IV: 学以致用，知识拓展
举一反三：词汇表猜词竞赛 （初步认知）
irre9s.pYoonusibshleould be a responsible citizen. Driving too fast through city streets is very.
and dangerous
non-profit
10. mIt awkielltphreomfitisytoauketoofvolunteer in this_______educational institution,
dislike: _____不__—__喜__欢__ discount: ___不__—__算____ disagree: ___不__—__同__意____
_不__喜__欢__；__讨__厌__ __打__折_________ _不__同__意__；__反__对__
4. mis- = wrong 错误的；坏的；不；相反