1. (2023·牡丹三模) 1992-2000年中国进口商品关税税率变化表（单位：%），据如表信息可知，这一时期的中国（ ）                                                                                                                                                                                                                                                                     

年份	1992	1993	1994	1995	1996	1997	1998	1999	2000
简单平均关税税率	42.1	39.1	35.5	35.6	23.7	17.5	18.3	17.1	17.0
加权平均关税税率	32.2	30.3	27.9	25.0	19.8	15.8	15.5	14.5	14.7