题目

假如你生活在1859年，下列社会现象你可能观察到的有①俄国公使在北京游历②美国军舰在汉口江面游弋③法国传教士在广西传教④中国的外交部门挂着“外务部”的牌子 A . ①②③④ B . ①②④ C . ①②③ D . ②③④ 答案：C — Mr. Smith was really helpful when you were in financial difficulty during those years. — Definitely. I can never appreciate his kindness _____. A. seriously                  B. well                       C. enough                   D. properly