第4题: [单项选择]I think that I committed a ______ in asking her because she seemed very upset by my question. A. blunder B. revenge C. reproach D. scandal 参考答案:A 答案解析:名词辨析。blunder意为“大错”,revenge意为“报复”,reproach意为“责备”,scandal意为“绯闻”。只有blonder放入句子中句意才通顺。
第33题: [单项选择]A face line is used to(). A. prevent barge movement in a lock B. secure two barges end-to-end C. secure barges to the towboat D. secure barges side-by-side 参考答案:C