八年級上冊Unit2Howoftendoyourcise第五課時sectionB3a教案.doc

Unit 2 How often do you exercise? 一、內(nèi)容: Period 5 Section B 3a-3c二、課時目標:1.重點詞匯：dentist, magazine, however, than, almost, none, less, point2.句型：（1）However, she has some bad habits, too.（2）How often do you eat breakfast?Almost every day.3.完成本課時的寫作任務(wù)。三、課型：寫作課一、熱身（Warm-up）教師檢查課時作業(yè),并讓學(xué)生背誦2b短文。二、導(dǎo)入(Lead in)教師向?qū)W生提問引出本課時話題。以How often do you exercise/read books/watch TV的句型來了解學(xué)生做某件事的頻率。三、呈現(xiàn)(Presentation)1.教師讓學(xué)生完成3a任務(wù),然后學(xué)生說出3a答案，并核對答案。2.教師讓學(xué)生完成3b任務(wù):點兩名學(xué)生在黑板上已經(jīng)畫好的兩個圖表里補充自己的信息，并作點評。3.教師讓學(xué)生完成3c和4任務(wù)。4.教師點幾名學(xué)生匯報自己的考察結(jié)果，并且講述健康的重要性。5.教師讓學(xué)生完成Self Check的任務(wù)，并點評。四、解釋(Explanation)1.However, she has some bad habits, too.然而，她也有一些壞習(xí)慣。(1)however在此表示轉(zhuǎn)折，尤其用于談及一個既成事實時，表示轉(zhuǎn)折，其意為“可是、仍然、然而”?？煞旁诰涫?、句中或句末，通常用逗號與句子其他成分隔開。如：My room is small, however, its comfortable.我的房間很小，但卻很舒服。(2)habit意為“習(xí)慣，習(xí)性”，是可數(shù)名詞。如：Reading is a good habit.讀書是個好習(xí)慣。2.She always watches TV for more than two hours.她看電視總是超過兩小時。(1)more than意為“超過，多于”，相當于over，與數(shù)詞連用。如：There are more than 70 students in this class.這個班上有70多名學(xué)生。(2)“more than one+單數(shù)名詞”意為“不止一個”，作主語時，謂語動詞用第三人稱單數(shù)形式。如：More than one boy knows how to play the computer game.不止一個男孩知道怎樣玩這個電腦游戲。3.He watches TV almost every day.他幾乎一整天都在看電視。almost意為“幾乎，差不多”。用來修飾不定代詞、形容詞、副詞、動詞、介詞短語等,可用于 any 以及 no, none, nobody, nothing, never 等He is almost two meters tall.他差不多有兩米高。否定詞之前；有時 almost 可表示十分相似(但又不完全相同)。如：【拓展】nearly 意為“幾乎，差不多”，前可用 very, pretty, not 等詞修飾，not nearly 意為“遠非”, very nearly 意為“幾乎”，都是習(xí)語。如：It was nearly ten oclock when he came home.他回家時快10點了。跟蹤訓(xùn)練（ ）1.His mother is fifty years old. ,she looks very young.A. more than; ButB. less than; ButC. more than; HoweverD. less than; However【解析】由句意可知：他的媽媽50多歲，但是她看起來很年輕。more than意為“大于，多于”,however表轉(zhuǎn)折關(guān)系。因此答案選C。五、作業(yè)(Homework)1.完成課時作業(yè)。2.以My healthy life為題，寫一篇作文。六、教學(xué)反思(Teaching Reflection)本課時的學(xué)習(xí)中，主