题目

西汉初年，统治者实行轻徭薄赋、发展生产的统治政策，其主观原因是(    )A．经济凋敝                    B．土地兼并严重C．政治腐败，灾荒连年          D．吸取秦亡的历史教训 答案：【答案】D【解析】试题分析：本题考查汉初实行休养生息政策的主观原因。经济凋敝是客观原因，吸取秦亡的历史教训是主观原因。It will be some years before some foreign doctors change the impression they have _____Chinese medicine, _____, in their opinion, is nothing but raw herbs and not effective at all in treating diseases. A. for; which　 B. on; what　 C. to; that　 D. on; which