Bob has got good exam results. His parents are proud of his ______.
A:success
B:chance
C:idea
D:dream
“尽道隋亡为此河,至今千里赖通波”是颂扬隋朝大运河的句子,句中“河”的最北端就是现在的( )
设函数fx=x3-12x-2,则其零点所在的区间为( )
下列有关植物生殖的叙述,正确的是( )