第14题: [单项选择]In the last sentence of Paragraph 1, "warded off" could probably be replaced by ______. A. got rid of B. killed C. avoided D. cleared away 参考答案:C 答案解析:根据文章第一段最后一句话的前半部分scurvy was caused by some lack in the sailors’diet(坏血病是由海员食物中缺少某些成分而造成的)说出了病因,后半部分山