题目

Characters: Peppa, George, Mummy Pig, Daddy PigSetting: Mummy Pig is working on her computer. Daddy Pig is making soup for lunch.Peppa: Daddy? Can we go and watch mummy on her computer?Daddy Pig: Yes, as long as you don't disturb her. She has a lot of important work to do today.Peppa: Thank you, Daddy!Peppa: (Peppa and George run into mummy's room.) Mummy. Can George and I sit on your legs and watch you work?Mummy Pig: Yes, if you both sit quietly.Peppa: (Peppa and George watch mummy work on the computer for a while.) Mummy? Can we play that computer game Happy Mrs. Chicken?Mummy Pig: We can p15、我国内陆河流的主要特点是： A．多为季节性的河流                B．河流水量季节变化不明显     C．以降水补给为主                  D．流量从上游到下游逐渐增加