北师大版高中英语学案选择性必修第三册精品课件 UNIT 9 HUMAN BIOLOGY Section B LESSON 2 LESSON 3.ppt

;;;第一步速读课文理清脉络

Activity1

Readthetextquicklyandfindoutthemainideaofthetext.

Thetextisabout.?

A.Suggestionsonfacinganepidemic.

B.Reasonswhyanepidemichappens.

C.Explanationofanepidemic.

D.Epidemicsinhistory.;Activity2阅读教材课文,完成下面的思维导图。;第二步精读课文领悟细节

Activity3阅读教材课文,选出最佳选项。

1.Whichofthefollowingmightnotbethefactorcausinganepidemic?

A.Avirusbeingcarriedintoanarea.

B.Changesinthewaypeoplelive.

C.Livinginanareatoolong.

D.Comingintocontactwithavirusorbacteria.;2.Whencanadiseasebeofficiallyclassifiedasanepidemic?

A.Whenthedeathscausedbyitreachacertainnumber.

B.Whenthereareafewcaseshappeninginoneplace.

C.Whenitisopposedtoalltheothercommondiseases.

D.Whenit’sawidespreadseriouscommoncold.;3.Whichofthefollowingepidemicshappenedtheearliest?

A.TheBlackDeath.

B.TheGreatFluEpidemic.

C.TheSARS.

D.TheEbolaVirusDisease.;5.Whatisthekeytosavingliveswhentheworldencountersepidemics?

A.Effectiveresearchesonthecausesofepidemics.

B.Jointeffortsmadebyallthecountries.

C.Timelycuresfortheinfectiouspeople.

D.Recordingthenumberofinfectiouspeople.;Activity4思考分享提升思维

1.Whatotherproblemsanepidemicmaycause?;Activity5诵读佳句学练写作

1.Readthepassagecarefullyandfindthesentenceexplainingthedefinitionofanepidemic.;2.ReadthepassagecarefullyandfindthesentencesthattellusthelossduringtheoutbreakoftheEbolaVirusDisease.;第三步深读课文融会提能

Activity6课文语篇填空

Epidemicscausedbyseveraldifferentfactors,havebeenhappeningforaslong1.therehavebeenpeoplelivingonEarth.Eachdiseasecanonlyofficially2.(classify)asanepidemicwhenitcausesacertainnumberofdeaths.?

JimSmithwhotriedtocomparethebirdfluepidemicoccurringin1997

3.otherdeadlyepidemicsinourhistoryconductedastudy.Hefoundoneoftheearliestepidemicsonrecordhappenedbetweenabout500and550CE.Upto50%of