北师大高中英语选修八Unit22Lesson3NaturalDisasters课件2

北师大高中英语选修八Unit22Lesson3NaturalDisasters课件2
北师大高中英语选修八Unit22Lesson3Natural
Lesson3
UnnaturalDisasters
Lesson3UnnaturalDisasters
北师大高中英语选修八Unit22Lesson3NaturalDisasters课件2
Exerci1
whichofthedisastersinthekeywordsdoyouthinkare:
(a)caudbypeople?
(b)madeworbypeople?
(c)natural?
Keywords:
disasters
droughts,earthquakes,floods,
Forestfires,hurricanes.
Landslides,tsunami,typhoon,
Volcaniceruptions,windstorms
Exerci1whichofthedisaste
Exerci2
Readthearticleandcheckyouranswerstoexerci1.
readingstrategies:completingTextswithntencegaps
(a)readthetexttogetthegeneralidea.
(b)readaparagraphwithantencegapandidentify
thetopic,e.g.disasters.
(c)readthentencesbeforeandafterthegapandlook
forcluesaboutthemissingtence,e.g.isitan
exampleofwhatismentionedbefore?
(d)certainwordsmayhelpyou:timereferences(then).
pronounreferences(it,that),linkingwords(however),
(e)decidewhichntencegoesinthegap.checkthatit
fitsthentencesbeforeandafterit.
Exerci2Readthearticleand
ANSWERS:
Caudbypeople:forestfires
Madeworbypeople:hurricanes
Natural:floods,droughts,windstorms,
earthquakes,
volcaniceruptions,
forestfires,hurricanes
ANSWERS:Caudbypeople:fore
Exerci3
Uthestrategiestocompletethegapsinthetext(1-5)withthe
Sentences(a-g).Therearetwoextrantencesyoudonotneed.
Butgeologicalevidenceshowsthat73.000yearsagothere
wasamuchgreatereruption.
(b)Evenprosperouuropehassufferedandlargeareasof
france,britainandgermanyhaveallbeenunderwaer.
(c)Thatisprobablynotthemostimportantfactoreither.
(d)third,theotherbitsoflandyoumighthavebeenableto
farmarenowuless.
(e)Ontopofallthat,addclimatechangeandthespectreof
globalwarming.
(f)Forexample,theyellowriver,oncenotoriousfortlooding
thechinelandscape,failedtoreachtheaatallon226
daysin1997
(g)Oneanswerisover-population.
(1)
(2)
(3)
(4)
(5)
Exerci3Uthestrategiest
Exerci4
Readthetextagainandanswerthequestions.
Whatistheattitudeofthejournalisttowardsthefuture?
Whoaremostlikelytobethevictimsofnaturaldisasters?
Whyaretherenowmorehurricanes,floodsanddroughts?
Whyarevolcanoesandearthquakesmoredangerousnow?
Whatcouldbethebiggestthreattotheplanetinthefuture?
Whateffectsmightthisthreathave?
Exerci4Readthetextagain
Answers
1.Pessimistic
2.Poorpeople
3.Overpopulationandmismanagermentoftheworld’sresources
4.Becauhalftheworld’spopulationlivesincitieswithinrangeof
volcaniceruptionsandearthquakes
5.Avolcaniceruption
6.Itmightplungetheplanetintowinterforyears.
Answers1.Pessimistic
Exerci5
Lookatthewordsformthetext(1-10)andtheotherexamples
Inbrackets,matchtheprefixeswiththemeanings(a-j).
overpopulation(overgrown,oversleep)
Substandard(subway,submarine)
deforestation(defu,dehydration)
downhill(downstream,downgrade)
undernourished(underpaid,undercooked)
rebuild(replace,rewind)
Unstable(unusual,uncommon)
Semi-active(mi-circle,mi-final)
Multinational(multi-purpo,multi-racial)
Mismanagement(misunderstand,misplace)
Again(f)oppositeofanaction
Wrongs(g)notenough
Below(g)downwards
Toomuch(i)oppositeofanadjective
Many(j)partly/half
Exerci5Lookatthewordsfo