（视频2.4.1测试题） 则（ ）http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201508/1ea7f818eb1040639a1b0cca24cd0c10.jpg
举一反三
- http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201508/1ea7f818eb1040639a1b0cca24cd0c10.jpg
- （视频3.2.1测试题）http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201508/0b4a73af99d944bcbb3cbda46c1c55f4.jpg
- （视频3.1.2测试题）http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201508/0a977a2d985d422c9dab7e407d8fde89.jpg
- （视频3.1.1测试题）http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201508/0854f8ac59dd4d53995b85978b6fc796.jpg
- （视频2.7.2测试题）http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201508/08a66aeb2e244b268211c245b217b72b.jpg