单选题
The weather was crisp and clear and you could see the mountains fifty miles away.
Ahot
Bfresh
Cheavy
Dwindy
正确答案
答案解析
题干意为“空气新鲜，50里以外的山峦都能看到。”句中划线词意为新鲜的。B项fresh意为新鲜的，新的；例句：Open the window and let in some fresh air．打开窗户，让新鲜的空气进来。A项意为热的，辣的；C项意为重的；D项意为有风的；故选B.