(1)发源:A __________山脉,注入_______海。
(2)支流:①__________ ②__________ ③__________ ④__________
⑤__________ ⑥__________ ⑦__________
(3)城市:a__________ b___________ c__________ d___________
(4)水电站:e_____________ f___________
(5)长江上、中、下游划分点:g_____________ h______________
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