高二英語Unit 3 Tomorrow’snbspworld教學(xué)設(shè)計(jì)

堂設(shè)計(jì)指導(dǎo)思想：
本節(jié)是以讀、寫為主的詞匯教學(xué)。內(nèi)容包括用名詞或動詞加上后綴構(gòu)成抽象名詞，以及與電腦相關(guān)的詞匯等。學(xué)習(xí)一定的構(gòu)詞法知識，可以有效地拓展學(xué)生的詞匯量。通過構(gòu)詞法教授詞匯，不僅可以使學(xué)生利用較少的時間掌握較多的詞匯，而且還可以使學(xué)生通過對詞綴的了解猜測詞義，從而擴(kuò)大詞匯量。本主要通過引導(dǎo)學(xué)生自行歸納抽象名詞的構(gòu)成規(guī)律的方法進(jìn)行教學(xué)，不僅有助于增加學(xué)生的詞匯量，而且可以使學(xué)生初步形成自己的詞匯認(rèn)知策略，學(xué)會根據(jù)詞根及后綴猜測詞義。

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.
SuffixeaningExamples(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
【設(shè)計(jì)說明】復(fù)習(xí)以前所學(xué)的構(gòu)詞法知識，激活學(xué)生對后綴的相關(guān)記憶，以舊帶新，有助于提高學(xué)習(xí)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
【設(shè)計(jì)說明】通過分析、對比，引導(dǎo)學(xué)生自己發(fā)現(xiàn)抽象名詞的特點(diǎn)，即不可為人的五官感知。隨后在明確抽象名詞的定義后，用實(shí)例加深學(xué)生的印象。
Step 3 Ways to form abstract nouns from verbs and adjectives
1.Ask students to categorize the words on the black board according to the suffixes. Then ask students to see what words they are and which part of speech they are if the suffixes are removed using the following form.
NounsOriginal wordsPart of speechSuffix
revisionreviseverb-sion
decisiondecideverb-sion
preparationprepareverb-tion
satisfactionsatisfyverb-tion
argumentargueverb-ment
judgementjudgeverb-ment
dependencedependverb-ence
assistanceassistverb-ence
differencedifferverb-ence
pleasurepleaseverb-ure
failurefailverb-ure
carelessnesscarelessadjective-ness
happinesshappyadjective-ness
civilizationciviladjective-tion
loyaltyloyaladjective-ty
cruelty,crueladjective-ty
2.Ask students to read the instructions on page 46. Ask them to compare the words on the screen with the words in the tables.
3.Tell students that most abstract nouns are uncountable, only a few of them are countable. Ask them to read the following examples:
hope→a hope; idea→an idea; situation→a situation; knowledge→a knowledge of…
4.Ask students to do the exercise on page 46 individually.
Answers
(1)developmemt(2)popularity(3)failure(4)connection
(5)improvements(6)presentation(7)achievement(8)admiration
【設(shè)計(jì)說明】鼓勵學(xué)生自己進(jìn)行歸納、整理，得出動詞或形容詞后加后綴構(gòu)成名詞的規(guī)律，最后以填空練習(xí)鞏固所學(xué)內(nèi)容。
Step 4 Words related to computers
1.Ask students to read carefully the picture on page 47 and ask students to answer the following questions:
(1)Can you name the different parts of the computer?
(2)Can you describe their functions?
Answers
PartFunction
floppy disca flat piece of plastic for storing information
USB disca portable, pocket-sized disk that can store a lot more information than a floppy disk
CD-RO/DVD-ROa CD or a DVD on which large amounts of information, sound and pictures can be stored
keyboarda set of keys for typing
printera machine that puts the words and pictures onto paper
mousea small device moved by hand to move the cursor on a computer screen
mouse mata small square of plastic that is the best kind of surface on which to use a computer mouse
hard drivea disk that can store more information than a floppy or USB disk
monitor/LCD onitora screen that shows information from a computer
screen/LCD screena part where you see the words and pictures
speakera part of the computer where the sound comes out
2.Ask students to read the instructions and complete the exercises on page 47.
Answers
(1)keyboard(2)mouse(3)data(4)floppy disks
(5)CD-ROs(6)CPU(7)connect(8)e-mails
(9)information(10)Web
【設(shè)計(jì)說明】通過圖片，幫助學(xué)生學(xué)習(xí)電腦各部的名稱及相關(guān)作用，用缺詞填空的形式進(jìn)行鞏固。
Step 5 Summary（
ake a summary about what have been learned in this period.
【設(shè)計(jì)說明】通過小結(jié)幫助學(xué)生整理、歸納上所學(xué)內(nèi)容，提高學(xué)習(xí)效率。
Step 6 Homework
1.Reviehat you have learned in this lesson.
2.Try to find out more words related to computers and Internet.
【設(shè)計(jì)說明】通過家庭作業(yè)再次鞏固所學(xué)內(nèi)容。同時，鼓勵學(xué)生利用網(wǎng)絡(luò)等資了解更多有關(guān)電腦網(wǎng)絡(luò)的詞匯。

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