问题
单项选择题
Passage Three
What do humans and songbirds share according to Kroodsma’s research a. The change of accents and dislects along the way. b. The change of habits along the way. c. The change of appearance along the way. d. The change of numbers along the way.
答案
参考答案：A
解析：[难点] 此题也可以通过常识来推断。人类和鸟类一样，不同的地方有不同的方言。