“There is ________________ in today's newspaper, so you needn't read it,” the father says to his son.
A:anything interesting
B:interesting anything
C:nothing interesting
D:interesting nothing
设集合A={x|x>3},B={x|x-1x-4<0},则A∩B=
图甲示“观察小鱼尾鳍内血液的流动”实验材料的处理,图乙示显微镜下观察到的视野图象,请根据实验的方法步骤和现象,回答下列问题