2. 职称英语
  3. The (i)______of homing pigeons to sense Earth’s magnetic field may serve as (ii)

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

游客2025-02-20  20
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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