考博考试

【单选题】 The word "nomadic" in the sentence "How is this affected by whether a bird is nomadic." can best probably mean ______.
A．living in the north
B．immigrant according to seasons
C．'immigrant from place to place irregularly
D．feather changing according to seasons

网考网参考答案：C
网考网解析：
从最后一段对Sedge Wrens这类鸟的描述they are thrown together with different birds every few months from all over the geographic range可以推断nomadic指的是一种不规律的迁徙，选项C正确。 查看试题解析出处>>