题目

Maria is waiting at a coffee table by thewindow for a gentleman with she has kept in contact for half a year. 答案：【1】whom美国内战前和俄国1861年改革前，两国经济发展的共同障碍是（ ）A、缺乏创新型人才 B、资金不足C、企业设备陈旧 D、缺乏自由的雇佣劳动力