题目

_________ good time they had last weekend!    A. How                              B. What                C. What a                D. How a 答案：C关于河流堆积地貌的叙述，正确的是 A.洪积——冲积平原发育于山前 B.河漫滩平原发育于河流凹岸 C.三角洲平原形成于河流中游 D.河谷发育于河流上游