問題詳情

48 Why aren’t complacent trees good for studying climate history?
(A) Their rings are too narrow.
(B) They are not well-nourished.
(C) They do not reflect genuine climate change.
(D) They are reserved for loggers for good prices.

參考答案

答案:C
難度:適中0.55
統計:A(10),B(10),C(33),D(4),E(0)

內容推薦

內容推薦