Whoisbetteratpredictingearthquakesanimalsorscientistswithinstruments?Evidencecollectedsofarsuggeststhatanordinaryanimal—adogahorseapig—maygiveasreliableawarningofan_impending_earthquakeasscientists.
In1970200instrumentsfailedtopredictaCaliforniaearthquakethatshookbuildingsinSanFrancisco78milesaway.Butin1974severalmonthsbeforeabigearthquakeinChinapigsclimbedthewallshenswouldnotroost(栖息)traineddogsdidnotobeycommandsandfarmyardgeeserefusedtofly.TheChinesescientistspaidattentiontotheseandothersignstheyeducatedpeoplebeforetheearthquakestruckthereandsavedahundredthousandlives.
Manynationsnowhaveanimals?warningcenterstotrytolearntheanimalsensesothatinstrumentscanbebuilttodetectthesamesignal.
1.Thispassagemainlytellsus________.
A.aboutthebigearthquakeinSanFrancisco
B.thatanimalscanpredictearthquakes
C.thatanimalsarebetteratpredictingearthquakesthanscientists
D.thatsomeoftheanimalsarecleverthanhumanbeings
2.Theunderlinedwords“animpendingearthquake”meananearthquake________.
A.thatwilltakeplaceverysoon
B.thathasjusttakenplace
C.thatwillnottakeplace
D.thatwilltakeplaceinaverylongtime
3.In1974manypeople'slivesweresavedintheearthquakebecause________.
A.animalsclimbedthewallsordidnotobeyorders
B.peopleknewthecorrecttimeoftheearthquake
C.scientistsknewanearthquakewouldcomeandpeoplewerewellpreparedforit
D.scientistspreventedtheearthquakefromtakingplace
4.Nowmanycountrieswanttopredictearthquakesbetter________.
A.withthehelpofanimals
B.allbythemselves
C.thananimals
D.withoutanimals