第30题: [单项选择]Rock climbing is so popular now that many people are able to ______ the steepest face with great agility. A. scale B. surpass C. overcome D. mount 参考答案:A 答案解析:[解析] 本题空格处是说很多人能够攀登最陡峭的岩面。A项“scale攀登,爬越”符合题意。其他三项“surpass超越,胜过;overcome战胜;mount登上”都不正确。