X
1
2
3
4
5
6
Y
123.56
21.45
﹣7.82
11.57
﹣53.76
﹣52
A:2
B:3
C:4
D:5
--How was your visit to the World Park in Beijing?
--Wonderful!We enjoyed very much.
When ______ Tom take a shower?
雍正皇帝因为这个天才式的发明,终于为清朝一劳永逸地解决了“君相争权”的问题。皇帝们……牢牢掌握权柄。材料中“天才式的发明”指的是( )