云霄仙帝 小有名气 4 是的,AP,中文为美国大学预修课程,适用于计划前往美国读本科的高中,AP成绩可以抵扣入学后相应课程的学分。AP考试跟国内的考试还挺不一样的,你如果觉得自学有难度,可以报辅导班。有的,上海有一家不错的培训班。可以先免费试听。叫英寰教育。登录...
Recent claims based on hydrodynamic modelling within a sequence stratigraphical perspective of incised valley fill sedimentation have argued that the Lower River Murray and its terminal lakes Alexandrina and Albert represented a marine-estuarine lake system, with marine salinities for some 200 km ...