33. A billboard for an outdoor adventure park shows people ziplining. What kind of activity does this suggest? A. Relaxing. B. Thrilling. C. Educational. D. Solitary. 答案:B。选项B滑索通常是一种刺激的活动,广告中展示人们滑索暗示了这个冒险公园有刺激的活动。选项A放松与滑索的刺激感不符。选项...