I'm Helen . I'm an English girl . I'm a student . I'm in Class 1, Grade 1. I get up at six o'clock . I go to school at seven o'clock. We have three classes in the morning and two in the afternoon . We go home at four thirty . My father is a policeman . My mother is a driver . I love my father and mother .

Since our research so far has not produced any answers to this problem，we need to adopt a different________to doing it.

苏州的“苏”，过去往往写成“稣”，这是因为苏州自古就有“鱼米之乡”的美誉。我国水稻跃居粮食产量首位，太湖流域的苏州、湖州开始成为全国粮仓，并且民间流传“苏湖熟、天下足”谚语的朝代是（　　）