应用: 浏览器
任务: 打开浏览器，搜索“北京地铁图高清版”，下载第一张图片，选择"去水印后保存"
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 北京地铁图高清版
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: CLICK
step_id: 8
action: CLICK
step_id: 9
action: CLICK