题干
These are the photos of our village, and they will show you ________.
A：what does it look like
B：what it looks like
C：how does it look like
D：how it looks like
答案(点此获取答案解析）
B
，则
、
互为相反数”的逆命题
全等三角形的面积相等”的否命题 
，则
有实根”的逆命题
三角形的三个内角相等”的逆否命题
命题的序号为：