Unit22 Environmental Protection Bulletin BoardUnit22 Environmental Protection Bulletin BoardLearning Aims:（学习目标）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.（重难点）Step1:Revision(知识回顾)not only…but also…的用法。Step2: Check preview（检查预习）Step3:Lead—In(导入)Let’s read about some disasters in history on page 17.Step4:Self-study and Cooperation（自主学习与合作探究）Read the passages and translate them into Chinese in your group.读下列句子，掌握 occur 和 strike 的意思和用法。occur 'k :] vi.əə occurred . occurring发生：I don't want such a thing to occur again.我不希望再发生这样的事情。出现；存在：Disputes occasionally occurred between us.我们之间偶尔也会有一番争论。Fish doesn't occur in the river.这条河现在已经没有鱼了。 (想法、主意在某人脑海中) 突然出现 It never occurred to me that he would become a singer.strike—struck--struck击，打，敲击：He's struck by his father.他挨了父亲的打。使想起；使突然想到；使认为：A happy thought struck her.她的心头突然涌出一个愉快的念头。It strikes me that he's right a tough nut to crack.在我看来，他可是个难对付的家伙。 (钟等)敲响报(时)：The clock struck 2.钟敲两点。(疾病等)突然侵袭The plague struck the whole of Europe.瘟疫袭击了整个欧洲。Flood struck the town this summer.今年夏天该城遭受水灾。罢(工、课等)；在…罢工(或罢课等)；罢工反对(雇主)：The trade union decided to strike the whole country.工会决定在全国举行大罢工。on strike 在罢工记忆：sink—sank—sank( unsinkable) sweep—swept—swept pile up sweep awaysunbather, cottage, deadly—deadlier—deadliest, leave millions homeless Step5：Showing and explaining(展示与点评)Ask sevral students to translate them in the class.Step6: Doing exercises（课堂检测）翻译句子：你为什么打他?钟一敲十二点我就走了。3.飓风袭击了该城市4.我看着他们时,产生了一个想法。5..我突然想起我还没有及时交论文。6.这样的事几乎不发生。Step7: Summary and Homework（小结作业）Write a passage about a disaster that you know.1.Why did you 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.
