1、Unit 5 Look into ScienceLesson 28 The Study of Living Things知識(shí)目標(biāo)單詞Chip Taylor, biology, butterfly, migrate, fantastic, pletely詞組grow up,draw ones attention,as many as.leave for,cut down句型Fantastic facts about the butterfly have been drawing Dr. Taylors attention.Here, as many as 230 million butterfl

2、ies spend the winter.技能目標(biāo)能聽懂本課時(shí)的聽力材料，能說出本課時(shí)的重 要句型，能運(yùn)用句式用英語(yǔ)談?wù)搶W(xué)習(xí)方法掌握文中重點(diǎn)短語(yǔ)和句型。正確應(yīng)用本課單詞、短語(yǔ)及定語(yǔ)從句。Step 1 ： Warming upWhat job do you want to do after you graduate from high school ? What do you need to study to get that job? What else do you need to do? Would you like to be a biologist? Dr. Chip Taylor w

3、ho is a biologist will give us a lecture.設(shè)計(jì)意圖：所有的學(xué)生都有自己的夢(mèng)想，當(dāng)他們長(zhǎng)大了，他們想干什么？為了 實(shí)現(xiàn)夢(mèng)想，必須在學(xué)習(xí)上付出努力，讓學(xué)生明確學(xué)習(xí)目標(biāo)。Step 2： Presentation.就插圖進(jìn)行提問，教學(xué)新詞butterfly。.閱讀課文，畫出未學(xué)的生詞，理解本故事的中心大意。.讀課文，找出并翻譯以下詞組。(1)長(zhǎng)大(2)引起某人的注意(3)多達(dá)(4)動(dòng)身去(5)砍倒Step 3 ： ListeningBook closed. The students listen to the tape and fill in the blank

4、s with the words they hear.Dr.Chip Taylor teaches at a university.(biology).He studies one kind of North American.(butterfly).They lay eggs on only one plan.(milkweed)設(shè)計(jì)意圖：通過聽力訓(xùn)練，不僅鍛煉學(xué)生的聽力技能，而且檢查了他們對(duì)木課 單詞的學(xué)習(xí)。Step 4： ReadingStudents read the text again, do Exercise 1 in Lets Do It!”Keys： return, spen

5、d, lay, rest, kill, findStep 5： Work in groupsStudent A writes a persons name in the first column, folds the paper and passes it to Student B. Student B writes a statement beginning with who”, folds the paper and passes it to Student C. Student C must finish the sentence and read it out loud.Miss Zh

6、ang who is a teacher teaches us English.Li Ming who is a student studies in a university.設(shè)計(jì)意圖：仿照例子，熟悉定語(yǔ)從句的語(yǔ)法構(gòu)成。Step 6： Grammar在復(fù)合句中修飾主句中的某一名詞或代詞的從句叫作定語(yǔ)從句。被定語(yǔ)從句修 飾的名詞或代詞叫作先行詞，通常位于定語(yǔ)從句之前。引導(dǎo)定語(yǔ)從句的關(guān)系代 詞 who(whoset whom), which, that；關(guān)系副詞有 when, where, why。關(guān)系代 詞和關(guān)系副詞位于先行詞和定語(yǔ)從句之問。定語(yǔ)從句的結(jié)構(gòu)：先行詞+關(guān)系詞 +定語(yǔ)從句。Do Exercise 2 in Lets Do It!Our teacher often encourages him hard.A. workB. workingC. to workD. worksSince environment is too important to all of us, we human beings had better fewer trees.A. turned downB. cut downD. cut upD. cut upC. put down答