http://image.zhihuishu.com/zhs/onlineexam/ueditor/201711/9d7cbc75370b44fea9e0b5d559053df8.png
举一反三
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201711/300f7b13d6574798b58099a680bae304.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201711/3c8dfbd745244ccdaab3d1e3017187a3.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201711/167c809bec5d4089a73d82e8d5d458cb.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201711/8d1943673a124d34995a548554feca54.jpg
- 下图中关于明度的 9 个等级中 7 、 8 、 9 为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/8cefe9ba8b344a8ea7d1b139d93e952f.png