国家公园搜寻器 描述 (基思) 用户故事 AS A national park enthusiast I WANT to see national park acitivities and weather SO THAT I can plan trips to national parks accordingly 验收标准 GIVEN a search engine for national park information WHEN I load the application THEN I am presented with a dropdown menus for activity type and state so that I may search for park WHEN I search using the activity and state criteria THEN