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1、教學(xué)目標(biāo) 1. 讓學(xué)生掌握單詞前綴后綴的一般規(guī)律、形近詞的用法以及一詞多義的現(xiàn)象2. 創(chuàng)造性地運(yùn)用重點(diǎn)詞匯表達(dá)自己的想法3. 激情投入,享受學(xué)習(xí)英語的快樂2學(xué)情分析 高三學(xué)生由于詞匯記憶量大,且學(xué)習(xí)壓力大,存在單詞遺忘較快的現(xiàn)象。教師除了要求學(xué)生掌握單詞外,還應(yīng)幫助學(xué)生掌握記憶單詞的方法,培養(yǎng)詞匯學(xué)習(xí)策略,提高記憶單詞的效率,為后期的學(xué)習(xí)打下堅(jiān)實(shí)的基礎(chǔ)。3重點(diǎn)難點(diǎn) 1.掌握形近詞的用法;2.創(chuàng)造性地運(yùn)用重點(diǎn)詞匯表達(dá)自己的想法。4教學(xué)過程 4.1 第一學(xué)時(shí) 4.1.1新設(shè)計(jì) 教學(xué)過程教學(xué)步驟&時(shí)間安排 教學(xué)活動(dòng) 學(xué)生活動(dòng) 設(shè)計(jì)意圖1. Warming up (3 mins)Ask student

2、s to guess the meaning of the underlined word of the sentence, and then ask students the two questions:1. Why did you choose the answer?2. What are the functions of in- and un-Think about the questionsTo lead in prefix and suffix2. Prefix and suffix(12 mins)Ask students to:1)fill in the form2) pay a

3、ttention to some exceptions3) fill in the blanks according to the sentencesThink about the questions and memorize some important wordsTo grasp prefixes and suffixes about opposite words and words that students make mistakes easily .3.Similar words( 17mins)Ask students to:1) think about similar words

4、 as much as possible2) fill in the blanks according to the sentencesThink about the questions and read similar words after the teacherTo cultivate students ability to summarize similar words.4. Polysemy (3 mins)Ask students to speak out the meanings of the same wordsThink about the questionsTo revie

5、w some words having more than one meaning5.Discussion(5mins)Ask students to choose 3 words at random from the 20 words in the red envelopes to make up a story and then have a discussionDiscuss with their partnersTo strengthen the usage of the key words in the class;To promote students creativity.6.

6、Show time(3 mins)Ask students to tell stories using 3 wordsPresent their stories orallyTo offer students a chance to air their own ideas;To improve the ability of oral expression7. Summarize (2 mins)Summarize the three parts on the blackboardTo encourage students to make challenges into strengths 板書設(shè)計(jì) Vocabulary Challenges Strengths Prefix and suffix Similar words Polysemy