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1、 Unit22 Environmental Protection Bulletin Board Unit22 Environmental Protection Bulletin Board Learning Aims:（學(xué)習(xí)目標(biāo)） 1.To be aware of some disasters in history. 2.To learn the use of “strike”and “occur”. 3.Try to write something about disasters.（重難點(diǎn)） Step1:Revision

2、(知識(shí)回顧) not only…but also…的用法。 Step2: Check preview（檢查預(yù)習(xí)） Step3:Lead—In(導(dǎo)入) Let’s read about some disasters in history on page 17. Step4:Self-study and Cooperation（自主學(xué)習(xí)與合作探究） Read the passages and translate them into Chinese in your group. 讀下列句子，掌握occur和strike的意思和用法。 occur??'k?:] vi.?occurred

3、?.?occurring 發(fā)生： I don't want such a thing to occur again.我不希望再發(fā)生這樣的事情。 出現(xiàn)；存在： Disputes occasionally occurred between us.我們之間偶爾也會(huì)有一番爭(zhēng)論。 Fish doesn't occur in the river.這條河現(xiàn)在已經(jīng)沒有魚了。 ?(想法、主意在某人腦海中) 突然出現(xiàn)? It never occurred to me that he would become a singer. strike—struck--struck 擊，打，敲擊： He'

4、s struck by his father.他挨了父親的打。 使想起；使突然想到；使認(rèn)為： A happy thought struck her.她的心頭突然涌出一個(gè)愉快的念頭。 It strikes me that he's right a tough nut to crack.在我看來，他可是個(gè)難對(duì)付的家伙。 (鐘等)敲響報(bào)(時(shí))： The clock struck 2.鐘敲兩點(diǎn)。 (疾病等)突然侵襲 The plague struck the whole of Europe.瘟疫襲擊了整個(gè)歐洲。 Flood struck the town this summer.今年

5、夏天該城遭受水災(zāi)。 罷(工、課等)；在…罷工(或罷課等)；罷工反對(duì)(雇主)： The trade union decided to strike the whole country.工會(huì)決定在全國舉行大罷工。 on strike 在罷工 記憶： sink—sank—sank( unsinkable) sweep—swept—swept pile up sweep away sunbather, cottage, deadly—deadlier—deadliest, leave millions homeless Step5：Showing and explaini

6、ng(展示與點(diǎn)評(píng)) Ask sevral students to translate them in the class. Step6: Doing exercises（課堂檢測(cè)） 翻譯句子： 你為什么打他? 鐘一敲十二點(diǎn)我就走了。 3.颶風(fēng)襲擊了該城市 4.我看著他們時(shí),產(chǎn)生了一個(gè)想法。 5..我突然想起我還沒有及時(shí)交論文。 6.這樣的事幾乎不發(fā)生。 Step7: Summary and Homework（小結(jié)作業(yè)） Write a passage about a disaster that you know. 1.Why did you

7、strike him?2.I left immediately the clock struck twelve. 3.A hurricane struck the city.4.As I watched them, an idea struck/occurred to me. 5. It occurred to me/struck me that I had not handed in my paper. 6.Such a thing hardly ever occurs. - 2 -