Reading explorer1级精品教学课件Book 1_Unit 9.pptx

9Botaniststakeaclose-uplookatthenaturalhabitatofa100-meter(350-foot)giantredwoodtree.

Answerswillvary.Possibleanswersinclude:Theyarebotanistsclimbinghighonaredwoodtreetodoresearch.Somechallengingjobsarefirefighter,rescueworker,coalminer,constructionworkeronhighbuildings,explosiveexpert,deepseafisherman,andlogger.Encouragestudentstogivereasonsfortheiranswers.U9-p.119

9ABeforeYouReadA.Discussion.Readtheparagraph.Thenanswerthequestionsbelow.?ThismeteoritefellfromtheskyoverRussiain2013andbrokeintomanypieces.Originally,itwasabout15meters(50feet)longandweighedabout10,000metrictons.Ameteoriteisapieceofrockormetalfromspace.HundredsofsmallmeteoritesfalltoEartheachyearandcausenoproblems.Butlargeonessometimesland,too,andthesecanbedangerous.Scientistsareinterestedinmeteoritesbecausetheycanteachusaboutspaceandourownplanet.Somearealsofilledwithimportantmetalslikeironandgold.U9A-p.120

1.Whatisameteorite?HowmanylandonEartheachyear?2.Whatcanpeoplelearnfrommeteorites?apieceofrockormetalfromspace;hundredsScientistscanlearnaboutthecompositionofspaceandaboutourownplanet.B.SkimandPredict.Lookquicklyattheinterviewonpages121–122,andanswerthequestionsbelow.Thenreadthepassagetocheckyourideas.1.WhatisMichaelFarmer’sjob?Whatdoeshedo,exactly?2.Whatdoyouthinkarethechallengingpartsofhisjob?Heisameteoritehunter.Hetravelsthroughouttheworldlookingformeteoritesthathelatersells.Someofthephysicalconditions,suchasworkingindeserts,aredifficult,buthehasalsobeenattackedbypeopletryingtostealvaluablemeteorites.Also,hehastobecarefultodohisworklegallyindifferentcountries,eachwithitsownlawsaboutmeteorites.U9A-p.120

MichaelFarmerisameteoritehunter.Here,hetalksabouthisunusualjob.NationalGeographic