A、A star is discovered that emits lower levels of trace ions than those discovered by x-rays of our galaxy’s sun. B、A section of

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问题

选项 A、A star is discovered that emits lower levels of trace ions than those discovered by x-rays of our galaxy’s sun.
B、A section of the universe is discovered to lack both stars and any sort of interstellar medium.
C、A galaxy is discovered with a negative rate of star formation.
D、In one corner of the galaxy, coronal gas is discovered to rarify as it becomes cooler.
E、A superbubble is found of equal mass to the galaxy surrounding it.

答案D

解析

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A、A star is discovered that emits lower levels of trace ions than those discovered by x-rays of our galaxy’s sun. B、A section of

GRE VERBAL

GRE

Myfatherwasaforemanofasugar-caneplantationinRiopiedras,PuertoRico.Myfirstjobwastodrivetheoxenthatplowedt

Whenweplaytenniswehaveto______.Accordingtotheauthor,achild’scharactercanbemostdeeplyinfluencedby______.

Ipromisedtolook()thematterassoonasIgotthere.

—What’sthematterwithher?—______.

"Helicopterparenting"describesastyleofraisingchildrenwhereparentsareover-protectiveanddotoomuch.Thetermwasuse

Weneed______informationabouttheclimatebeforewemakeourdecision.

StudiesoftheWeddellsealinthelaboratoryhavedescribedthephysiologicalmechanismsthatallowthesealtocopewiththee

Areportonacidrainconcluded,"MostforestsinCanadaarenotbeingdamagedbyacidrain."Criticsofthereportinsistthe

GiventhepersistentandintransigentnatureoftheAmericanracesystem,whichprovedquiteimpervioustoblackattacks

Inyoungchildren,somebraincellshavea______thatenablesthemtotakeoverthefunctionsofdamagedormissingbraincells.

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