指示氧化环境的是（）。
A.红色岩层
B.不对称波浪
C.干裂
D.竹叶状灰岩
参考答案：A
Many people in Haiti died from the earthquake because they didn't have _____ to immediate rescue. [ ]
A. access
B. admission
C. approach
D. attention
杨过在全真的师傅叫（）
