問題詳情
【題組】62. What is the second paragraph mainly about?
(A) How tornado alley is formed.
(B) The measure employed to protect the tornado alley.
(C) A new project to investigate the fundamental factors that lead to tornados.
(D) The contrast between the past and modern ways to research on tornados.
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)