小猪猪迷路了，帮它找到回家的路，并写出所走线路组成的一句话。

    On Sunday, Lucy and I go to a bookshop, then we want to go to the supermarket. But we don't know the way how to get to the bookshop. We ask the policeman in the street for help. He tells us to walk along Renmin Road, and turn right at the second crossing（十字路）. Then we walk and walk but we don't see the bookshop. We are too tired so we take a taxi. “Please take us to the bookshop.” We tell the taxi driver. The taxi driver laughs and says, “ The bookshop is over there, you may get off now.”

①哲学是“科学之科学”             
②世界观决定方法论

③具体科学的进步推动哲学的发展     
④哲学为具体科学提供方法论指导

夏、商、周，史称“上古三代”，可见它们处于（　　）