On the east of the valley rose a \_\_\_\_ wall of stratified rock, two thousand or three thousand feet high, stretching off towards the Arkansas.
Atentative
Bprecipitous正確答案
Cgregarious
Dcounterfeit
答案與詳解
為什麼答案是 B
precipitous 意為「陡峭的、險峻的」，完美契合高達數千英尺的岩壁特徵，為正確答案。
載入中…
