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LessonThreePartOne:BriefIntroductiontoLineChartIfthenumberofthelinesonthechartisnolessthan3,youhadbetterdividethemintodifferentgroupsintermsofthetotaltrendofincreaseanddecrease.Andifalllinesareinthesametrend,youshouldfindouttheextremeonetodescribeinaparagraphandtherestareintheother.Bytheway,anyothertypesofchange,suchasstabilityandfluctuation,youneedathirdparagraphthen.
3.Whatarethedifficultiesoflinechartwriting?

Initially,youmayfeelitishardforyoutouseonlyonewordtodescribethegeneraltrendofeverysingleline.

Then,iftheremustbesomespotsofthesamemeaninginChinese,youmayfinditdifficulttotranslatethemintodifferentEnglishwords.

Also,youwillbeallowedtoseesomecrossingpointsamonglines,andthereisaproblemforyou:howcanyoudescribethefeaturesofthem?


Lastbutnotleast,assayingsomethingaboutthedetails,youmaybelackofverbs,adjectivesoradverbs.

4.Whataretheelementsoflinechartwriting?
Youmustreport4elementsonthechart,thatis,increase,decrease,extremepointsandcrossingpoints.


PartTwo:VerbsofLineChart2.Howtodescribethetrendofdecrease?


decrease，decline，descend，drop，fall，godown，comedown，collapse，crash，falloff(+to…/+by…)

slump，plummet，plunge，slide，shrink,dwindle,diminish(+to…/+by…)
3.Otherverbs
稳定在一个水平上：
Leveloffat
Stabilizeat
Leveloutat
Reachedaplateauat
Hoverat
Remainstableat



到达最高点：
Peakatv.
Reachthepeakatv./n.
Reachthehighestpointat

到达最低点：
Reachthebottomatn.
Bottomoutatv.
Thelowestpointat

到达多少数量：
Reach
Hit
Arriveat
Register
Amountto
Standat波动：
Fluctuatev.
Fluctuationn.
Fluctuatebetween…and…

经历了某种变化：
See
Experience
witness4.AdjectivesandAdverbs
表示速度快的形容词：
Sharp(sharply)
Rapid(rapidly)
Dramatic(dramatically)
Precipitous(precipitously)
Drastic(drastically)
Steep(steeply)

表示缓慢、逐渐或者持续的形容词：
Gradual(gradually)
Gentle(gently)
Steady(steadily)
Slow
Consistent5.SentenceStructures
上升
Therewasa/an+adj.+increaseby…from…in…to…in…
e.g.Therewasaslightincreaseby30gramsfrom43gramsin1965to73gramsin1975.

Theperiodbetween…and…witnesseda/an+adj.+risehappenedto…withthegapby…
e.g.Theperiodbetween19