我国劳动人民在唐朝发明的水利灌溉工具是( )
A:
B:
C:
D:
下列事件能体现法律最主要特征的是( )
如图,AB∥CD,CB平分∠ABD.若∠C=40°,则∠D的度数为( )
— Wonderful! I think it is ______ a meaningful TV show that ______ many people like watching it.