初中英语牛津版 (深圳&广州)九年级下册（2014秋审查）Unit 4 Natural disasters公开课课件ppt

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Watch the vide and talk abut it.
D yu knw what a strm is? What is a strm like?A strm refers t very bad weather with strng winds and rain, and ften thunder and lightning.What may happen in a strm?The temperature may be very lw and peple will suffer a lt f lss.
Mre practice
Presentatin
Read article abut a natural disaster in Canada. Then answer the questins belw.
The ice strmIt was a dark day in Canada in 1998 when rain began t fall frm the sky. Hwever, this was nt rdinary rain-it turned t ice as it fell thrugh the cld air. It rained fr six days, and as much as ten centimetres f ice cllected n rads, trees and pwer lines.
On 5th January, the peple f Mntreal wke up t find they had n electricity in their hmes. It was dark and cld. The rads were cvered in ice, s it was very dangerus t walk r drive anywhere. Families had t stay inside and burn wd t keep warm. They expected the pwer t cme back n at any time. Hwever, the ice kept falling. It caused branches and whle trees t fall dwn. Mre pwer lines fell dwn, and the rads became even mre dangerus.
By the third day, many families had n fd t eat. It was a difficult time. The army sent ver 14,000 sldiers t help.Finally, after six days, the ice strm stpped, but the truble was nt ver. The huge amunt f ice made the whle area very dangerus. As the ice started t melt, it fell frm the rfs f buildings and trees like knives. Mst f the pwer lines were s badly damaged that they culd nt be repaired.
Sme families had n electricity fr a whle mnth. Many hmes were damaged and many peple, especially farmers, lst their businesses. The peple f Canada will never frget hw terrible nature can be. Everyne hpes that there will never be anther ice strm like the ne in 1998.
Language pints.
Useful phrases1. as much as多达2. wake up醒来3. keep warm保持温暖4. keep falling一直掉下来5. s … that 如此…以致…
1. It was a dark day in Canada in 1998 when rain began t fall…时间状语从句：It was + 时间 when + 事件：当…发生时，是…时间Translate:我们排成纵队出发时天已经黑了。It was dark when we set ff in file. Cmpare: It was … that …：强调句Translate:昨天遇到的就是他。It was him that I met yesterday.
2. … and as much as ten centimetres f ice cllected n rads …as much as: 多达Translate:尽量查找有关他的资料，向我汇报。Find ut as much as yu can abut him and reprt t me. 3. The rads were cvered in ice, s it was very dangerus …be cvered in: 被…覆盖Translate:他满脸是血。His face was cvered in bld.
4. They expected the pwer t cme back n at any time.expect … t …: 期许Translate:他们要求我们穿正式服装赴宴吗？D they expect us t dress fr dinner? 5. Hwever, the ice kept falling.keep ding sth.: 保持/一直/继续做某事Translate:她继续在花园散步。She kept walking in the garden.
6. It caused branches and whle trees t fall dwn.cause … t …: 造成Translate:输掉一场比赛会让他暴跳如雷。Lsing a game wuld cause him t fly int a rage.7. The huge amunt f ice made the whle area very dangerus.the huge amunt f: 大量的Translate:我们必须削减原料使用量。We must cut dwn n the amunt f material we use.
8. Mst f the pwer lines were s badly damaged that they culd nt be repaired.s … that …: 如此…以致…Translate:这本书如此有趣，我两个小时就把它看完了。The bk was s interesting that I read it in tw hurs. 9. Sme families had n electricity fr a whle mnth.electricity n. 电electrica. 电的 n. 供电
Answer the questins.
1.Why was the strm in 1998 unusual in Canada?Because it was nt rdinary rain-it turned t ice as it fell thrugh the cld air. It rained fr six days and as much as ten centimetres f ice cllected n rads, trees and pwer lines.
2. What prblems did the ice strm cause?It caused many pwer lines were s badly damaged that they culd nt be repaired. It als made the rads dangerus t walk r drive n. In additin, many hmes were damaged and many peple lst their business.
3. Did the truble end when the ice strm stpped? Why r why nt?N. Because the huge amunt f ice made the whle area very dangerus. As the ice started t melt , it fell frm the rfs f buildings and trees like knives. Mst f the pwer lines were s badly damaged that they culd nt be repaired.
Basic infrmatin
What?——Where?——When?——
ice strmMntreal, CanadaJanuary 1998
1st day:ice strm stpped the whle area became dangerusice started t melt and fell like knivespwer lines culd nt be repaired
2nd day:ice kept falling branches and whle trees fell dwnmre pwer lines fell dwn rads were mre dangerus3rd day:many families were running ut fd
7th day:ice kept falling branches and whle trees fell dwnmre pwer lines fell dwn rads were mre dangerus
sme families had nt electricity fr a whle mnth many hmes were damagedmany peple lst their businesses
Have yu ever experienced r heard abut a natural disaster? In grups, discuss the fllwing questins.1What was the natural disaster like?2What did peple experience during the disaster?
EarthquakeWenchuan, China14:28 Mnday, 12 MayMagnitude 7.8 (8.0)Lts f peple were killed and injuryMany buildings were in ruinsRescue wrkers rganized quickly
WildfireAlberta, CanadaMany hmes were destryedLts f peple evacuatedGrups f firefighters arrivedPlanes, helicpters were used t fight the fire
FldClmb, Sri LankaSeveral peple were killedThusands f peple were affectedRescue teams prvide fd and waterMany shelters were set up
Culture crner
Hw a typhn gets its name
In the ld days, every cuntry had a different system fr naming typhns. Therefre, a typhn that hit several different cuntries might have different names.
In 2000,14 cuntries and regins in the Pacific Regin began t use a new system fr naming typhns. Each f the cuntriesand regins ffered ten names. These culd be names f men, wmen, flwers, animals, trees r even fd items. Whenever a new typhn arises, it is given the next name n the list. When the end f the list is reached, the same names are used ver again.
Answer the questins
1. When was the first system f naming typhn used?In 2000.2. Hw many names did each f the cuntries and regins ffer?Ten.3. Hw many surces f naming typhn was mentined?Six.
D yu knw the names f any famus typhns? What else d yu knw abut them?
English nameChinese nameMeaning
Prject: Natural disaster survival tips
What shuld yu d befre, during and after a natural disaster? In this prject, yu are ging t make a bklet f disaster survival tips.In grups f fur, decide which natural disaster t talk abut. Yu can use ne frm the bx belw, r a natural disaster f yur chice.
a flda frest firea typhnan earthquake
Each grup shuld d research n hw t survive the kind f natural disaster that they have chsen. Here is an example.An earthquakeWhat supplies shuld be stred in case f an earthquake?If yu cannt leave the building safely, what shuld yu d when an earthquake starts?What shuld yu never d during an earthquake?What shuld yu d if yu are trapped?What shuld yu d immediately after an earthquake?
Based n yur research, think f at least five tips and write them n a piece f paper. Find sme phts t g with yur wrk. Fllw the example.Earthquake survival tipsTip 1:Stre supplies such as fd, water and medicine.Tip 2:Stay calm and take cver if indrs.Tip 3:NEVER use the lift.Tip 4: Stay away frm anything that might fall n yu.Tip 5:Leave the building quickly and stay ut in an pen area after the earthquake stps.
After each grup is dne, put all the pages tgether and make a bklet f tips n surviving a natural disaster.Natural disaster survival tips
1.it ____________ ice as it fell thrugh the cld air.它通过冷空气，下降过程中就变成了冰。2. The peple f Mntreal ______________ they had n electricity in their hmes.蒙特利尔人醒来时发现，他们家中停电了。3.The army _____ ver 14,000 sldiers ___ help.军队派出超过 14,000 名士兵参与救援。
Cmplete the sentences.
wke up t find
4. It was very _____________ walk r drive anywhere.无论步行或驾车去任何地方都是非常危险的。5. Families had t _________ and ___________ t keep warm.每家都不得不困在家里，燃烧木材取暖。6. The peple f Canada will never frget ___________ nature can be.加拿大人民永远不会忘记大自然有多么可怕。
dangerus t
stay inside
hw terrible
(　)1. The shw was s funny that it made everyne ____ again and again.A. t laughB. laughedC. laughD. laughing(　)2. They kept ____ fr the lst child thugh it was dark.A. lk B. lking   C. t lk   D. t lking
Chse the crrect answers.
(　)3. It’s very kind ____ her t lend me the mney. A. frB. fC. inD. with(　)4.It’s ur duty ____ ur hmetwn clean and beautiful.A. t keep B. keep   C. keeps   D. keeping
Key pints: The article abut The ice strm;The infrmatin abut hw a typhn gets its name;The prject f natural disaster survival tips.
熟读P61的文章。完成Prject环节的活动，即写一篇关于如何更好应对自然灾害的小作文。