24．（1分 ）The disappearance of dinosaurs is not necessarily caused by astronomical
incidents．$But _________explanations are hard to find$． （ ）
Answer key
A
（1分）The disappearance of dino…——2017 高考英语第 22 题答案解析
2017_江苏卷 (英语)
题目指纹
这道题真正考什么？
关键能力
单项填空
difficulty
Differentiating