中职高教版（2021）Unit 7 Natural Disasters获奖ppt课件

这是一份中职高教版（2021）Unit 7 Natural Disasters获奖ppt课件，共28页。PPT课件主要包含了Part 1，Part 2，Part 3，Part 4，Homework 等内容，欢迎下载使用。
Learning bjectives
knwledge bjectives
ability bjectives
emtinal bjectives
Master the key wrds and phrases abut natural disasters.
T be able t discuss the reasns fr flight cancellatins and natural disasters.
T establish the awareness f envirnmental prtectin.
“自然灾害”是人类依赖的自然界中所发生的异常现象，自然灾害对人类社会所造成的危害往往是触目惊心的。它们之中既有地震、火山爆发、泥石流、海啸、台风、洪水等突发性灾害；也有地面沉降、土地沙漠化、干旱、海岸线变化等在较长时间中才能逐渐显现的渐变性灾害；还有臭氧层变化、水体污染、水土流失、酸雨等人类活动导致的环境灾害。 这些自然灾害和环境破坏之间又有着复杂的相互联系。人类要从科学的意义上认识这些灾害的发生、发展以及尽可能减小它们所造成的危害，已是国际社会的一个共同主题。为此，我们应做好对自然灾害的预测与自我救助的工作。
Natural Disasters
Befre class：
Warming up
Warming up
A lng perid f dry weather when there is nt enugh water fr plants and animals t live.
A very large amunt f water that cvers an area that is usually dry.
A sudden shaking f the Earth’s surface that ften causes a lt f damage .
A very vilent trpical strm.
What kinds f natural disasters d yu knw?
滑坡是指斜坡上的土体或者岩体，受河流冲刷、地下水活动、雨水浸泡、地震及人工切坡等因素影响，在重力作用下，沿着一定的软弱面或者软弱带，整体地或者分散地顺坡向下滑动的自然现象。运动的岩（土）体称为变位体或滑移体，未移动的下伏岩（土）体称为滑床。
病虫害是病害和虫害的并称，常对农、林、牧业等造成不良影响。
泥石流是指在山区或者其他沟谷深壑，地形险峻的地区，因为暴雨、暴雪或其他自然灾害引发的山体滑坡并携带有大量泥沙以及石块的特殊洪流。
将下列表示灾害的词汇与图片相匹配。
Task1 Lk and match.
A perid f unusually ht weather, especially ne that cntinues fr a lng time.
A strng strm in the desert .
思考并勾选出描述自然灾害影响的语句。
Task2 Think and tick.
A. Typhns and flds strike mre frequently and with greater frce than befre.
B. Our envirnment is badly plluted by human activities.
D. Sme f the natural disasters are caused by human activities.
C. My flight is canceled due t the typhn.
Language pints analysis
1.strike v. 袭击，撞击
2.frequently adv.频繁地
E.g:He hit me , s I struck him back . 他打了我，所以我才还手打他。
E.g:Denis frequently attends business dinners . 丹尼斯常常要出席工作晚餐。
4.cancel v.取消，撤销
E.g:What des she mean by canceling her perfrmance ? 她取消自己的演出是什么意思？
3.pllute v.污染
E.g:Streams in such areas are mre likely than thse in rural areas t have been plluted . 这些地方的河流较农村河流更有可能受到污染。
Listening
听录音，选择对话的主题。
Task3 Listen and chse.
A. Natural disasters and envirnmental prtectin.
B. Ways t prevent flds and typhns.
D. Damages caused by typhns.
C. Sara’s business trip in Shanghai.
Task4 Listen and decide.
1) Sara didn’t g t Shanghai because her flight was delayed due t the typhn.
2) Other public transprtatins like trains and ships have been canceled r delayed as well.
4) It will be impssible fr us t prtect ur earth and make it a safe place t live in.
3) Sara hlds that sme f the natural disasters are caused by human activities.
再听录音，完成对上述对话内容的概括。
Task5 Listen and cmplete.
It seems there have been mre natural 1)　　　 　　 these years. Over the past few years, 2)　　　 　 　, 3)　　 　　　 and 4)　　　 　　 have caused serius damage t the wrld. And sme f the natural disasters are caused by 5)　　 　 　　. Hwever, it is lucky that peple have decided t 6)　　 　 .We believe we can 7)　　　 　　 ur earth and make it a safe and lively place.
human activities
make a change
Lin Yang: Hi, Sarah. Why’re yu in the ffice? I thught yu were n a business trip t Shanghai.Sarah Smith: Oh, my flight was canceled due t the typhn. Other public transprtatin like trains and ships have als been canceled r delayed. Lin Yang: That’s terrible. It seems there have been mre natural disasters these years.Sarah Smith: Yes. Over the past few years, flds, drughts and heat waves have caused serius damage t the wrld. Lin Yang: Als typhns and flds strike mre frequently and with greater frce than befre.Sarah Smith: That’s certainly true. And sme f them are caused by human activities. Lin Yang: Yes. We’ve cut t many trees and badly plluted the envirnment.Sarah Smith: Well, it’s lucky that peple have decided t make a change. Lin Yang: Yeah, It’s what we shuld d right nw. And the mst imprtant thing is hw we can have mre peple jin us. Sarah Smith: I agree with yu. If mre peple wrk tgether, it’ll be pssible fr us t prtect ur earth and make it a safe and lvely place t live in.
听录音并跟读，标出表达态度和观点的语句。
Task6 Listen, read and underline.
Mary Fisher: Hell, Chen Jie. I thught yu were ging t Thailand this mrning.Chen Jie: My flight is delayed due t the flds. Other public transprtatins like trains and ships have als been canceled r delayed. Mary Fisher: That’s terrible. It seems there have been mre flds these years than befre. Chen Jie: Yes. And als the typhns, wildfire and smg.Mary Fisher: These natural disasters have caused great damage t ur life.Chen Jie: That’s certainly true. And sme f them are caused by human activities.Mary Fisher: Yes. We’ve burned t much cal and il and badly plluted the envirnment.Chen Jie: Well, it’s lucky that peple have decided t make a change.Mary Fisher: Yes. It’s what we shuld d right nw. And the mst imprtant thing is hw we can have mre peple jin us.Chen Jie: I agree with yu. If mre peple wrk tgether, it’ll be pssible fr us t prtect ur earth and make it a safe and lvely place t live in.
6.smg n.雾霾
E.g:This smg wuld blanket the cities fr days . 这些烟雾笼罩在城市上空，数日不散.
5.due t 因为，归因于
E.g:His success was largely due t luck . 他的成功主要靠运气。
7.make a change 做出改变
E.g:Can we make a change n rder N . 29734. 我们可以修改一下29734号订单吗？
参照活动6，根据下列图片和提示，与同伴练习对话。
Task7 Imitate and talk.
Task8 Rle play.
两人一组，根据所给情境和提示，编排并表演对话。
A: Hell, I thught yu were ging t Shenzhen this mrning.B: My flight is delayed due t the typhn. Other public transprtatin like trains and ships have als been canceled r delayed.A: That’s terrible. It seems there have been mre typhns these years than befre.B: Yes. And als the flds, wildfire and smg.A: These natural disasters have caused great damage t ur life.B: That’s certainly true. And sme f them are caused by human activities A: Yes. We’ve burned t much cal and il and badly plluted the envirnment.B: Well, it’s lucky that peple have decided t make a change.A: Yes. It’s what we shuld d right nw. And the mst imprtant thing is hw we can have mre peple jin us.B: I agree with yu. If mre peple jin us, it’ll be pssible fr us t prtect ur earth and make it a safe and lvely place t live in.
1.Describe sme effects f natural disasters in English.
2.Write a passage t shw yur pinin abut a natural disaster.