牛津譯林版高中英語必修五unit3scienceandnaturewordpower教案(更新版)
【正文】 ntaining that suffix or prefix. Then boy students can’ t not use that suffix or prefix any more because that field has been conquered. One student, one word a time. Boys and girls don’ t need to take turns. It all depends on how fast their reaction is. But they have to make sure that following every suffix or prefix they have picked, there must be three different words. Then the side which conquers the largest field wins the petition. 3. After the petition, teacher can add some words which appear on page 46 but are missed out in their answers such as illegal and disrespect. Tip: 1) Some words take a hyphen () when a prefix is added. 2) We sometimes need to change the ending of a word before we can add a suffix. [Explanation] 本節(jié)所列的前后綴除了 pro和 anti之外，學生都很熟悉，讓學生進行頭腦風暴，在短時間內(nèi)迅速反饋以往學過的前后綴，使學生產(chǎn)生一種成就感，對于新知識的接受從情感和速度上都有更好的效果。本節(jié)設計了競賽環(huán)節(jié)來刺激學生對于舊詞匯的迅速回憶，并在此基礎上補充新的詞匯。并且讓學生好像真的有在靠實力攻城略地的感覺，隨著他們的“地盤”越來越大，競爭會更激烈，課堂氣氛也更好。
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