The (i)______of homing pigeons to sense Earth’s magnetic field may serve as (ii)

游客2025-02-20 31

问题 The (i)______of homing pigeons to sense Earth’s magnetic field may serve as (ii)______ tool in helping them find their way home, even across hundreds of miles.

选项

答案 A，E

解析 ability能力，reluctance勉强，unsuitability不恰当；useless无用的，valuable有价值的，undiscovered未被发现的。代入选项，答案选AE。

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The (i)______of homing pigeons to sense Earth’s magnetic field may serve as (ii)

Inananimalbehaviorexperiment,50taggedwhitepigeonsand200taggedgraypi

Dostrongelectriccurrents,bymeansoftheelectromagneticfieldsthataccompa

FERROUS:A、magneticB、rustyC、withnoironD、hydratedE、non-reactiveC

PeriodicrealignmentoftheEarth’smagneticfieldoccurstwoways:t

PeriodicrealignmentoftheEarth’smagneticfieldoccurstwoways:t

Althoughthepassengerpigeons,nowextinct,wereabundantineighteenth-andni

TheMagneticAttractionofPhysicsIt’samazingwhatyouca

TheMagneticAttractionofPhysicsIt’samazingwhatyouca

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（）可满足目标人群部分营养需求的特殊医学用途配方食品。A.一般全营养配方食品

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