6 P.ut 1 IWritingaParagraph
MedicalMiraclestoCome
Bytheyear2009,a vaccinelagainstthecommoncoldwillhavebeen
developed.Bythesameyear,thefirsthumanwillhavebeensuccessfully
cloned.^2 Bytheyear2014,parentswillbeabletocreatedesignerchildren.
Genetictherapywillbeabletomanipulategenesforabilities,intelligence,and
hair,eye,andskincolor.By2020,mostdiseaseswillbeabletobediagnosed
andtreatedathome,andby2030,cancerandheartdiseasewillhavebeen
wipedout.Thesearejusta fewexamplesofthemedicalmiraclesthatare
expectedin thenextfewdecades.PRACTICEI
Recognizing- TopicSentences
,~
A. Rememberthata topicsentenceis a completesentenceandis neithertoo
generalnortoospecific.Step 1 Readthesentencesineachgroup,anddecidewhichsentenceis the
besttopicsentence.WritebestTS(for"besttopicsentence")on
thelinenexttoit.
Step 2 Decidewhatis wrongwiththeothersentences.Theymaybetoo
general,ortheymaybetoospecific,ortheymaybeincomplete
sentences.Writetoogeneral,toospecific,orincompleteonthe
linesnexttothem.Thefirstonehasbeendoneforyouasanexample.Group 1_----..:t:.::;o..::.o-"s""I?'-=e..=.ciC'-fi'-=c__a.A lunareclipseis anomenofa comingdisaster.
_---'t""'o-"'-o-;;g""e"-'n-'=Cerc.::a"-'-'__b.Superstitionshavebeenaroundforever.
_----..:b::..:e""s:.::;t-!-r!.-"S==-- c.Peopleholdmanysuperstitiousbeliefsaboutthe
moon.
_---'i"-'-nc:::..:o::..cm~l?I:'-'I.:::.et""e=----__d.Ismadeofgreencheese.Group 2____a. The11istoryofastronomyis interesting.
____b. Iceagepeoplerecordedtheappearanceofnewmoons
bymakingscratchesinanimalbones.____c.Forexample,StonehengeinBritain,built 3500 years
agototrackthemovementofthesun.____d.Ancientpeopleobservedandrecordedlunarandsolar
eventsindifferentways.Ivaccine:medicinethatpreventsa specificdiseasesuchaspolio
2cloned:madeanexactcopyof