高二英语unit 3 tomorrow’snbspworld教学设计
课堂设计指导思想：
本节课是以读、写为主的词汇教学课。内容包括用名词或动词加上后缀构成抽象名词，以及与电脑相关的词汇等。学习一定的构词法知识，可以有效地拓展学生的词汇量。通过构词法教授词汇，不仅可以使学生利用较少的时间掌握较多的词汇，而且还可以使学生通过对词缀的了解来猜测词义，从而扩大词汇量。本课主要通过引导学生自行归纳抽象名词的构成规律的方法进行教学，不仅有助于增加学生的词汇量，而且可以使学生初步形成自己的词汇认知策略，学会根据词根及后缀来猜测词义。
teaching aims:
1.learn how to form abstract nouns from verbs and adjectives by adding suffixes.
2.learn some words related to computers.
3.expand related vocabulary and apply them practically.
teaching procedures:
step 1 revision
help students revise the common suffix used to form adjectives learnt in unit 1 using the following chart and ask students to give more examples.
suffixmeaningexamples(adjectives)
-icalhaving the quality ofmedical, electrical, grammatical, practical
-ablehaving the ability ofbelievable, acceptable, reasonable, enjoyable
-ouslike, full ofadventurous, dangerous, prosperous, conscious
-fulcharacterized byjoyful, helpful, useful, mouthful, handful
-lesswithoutuseless, careless, helpless, hopeless, cloudless
【设计说明】复习以前所学的构词法知识，激活学生对后缀的相关记忆，以旧带新，有助于提高学习效率。
step 2 lead-in
1.ask students to compare the following two groups of words.
group 1: house, milk, driver, dog, paper
group 2: revision, preparation, decision, difference, arrangement
ask students to consider the following questions:
(1)which part of speech is each of the following words?
(2)what are the similarities and the differences between the two groups?
answers
(1)they are all nouns.
(2)the words in group 1 refer to physical things and those in group 2 refer to ideas, actions and qualities.
2.tell students that the nouns in group 2 are called abstract nouns. ask students to read the definition of abstract nouns on page 46.
3.ask students to think of more abstract nouns. and show them the following words as examples:
revision, direction, decision, preparation, satisfaction, argument, judgement, disappointment, excitement, civilization, dependence, difference, assistance, pleasure, loyalty, cruelty, action, failure, carelessness, happiness
【设计说明】通过分析、对比，引导学生自己发现抽象名词的特点，即不可为人的五官感知。随后在明确抽象名词的定义后，用实例加深学生的印象。
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