A:It's 9: 00 in the morning.
B:It's 7: 00 in the morning.
C:It's 6: 00 in the afternoon.
“提出一个问题往往比解决一个问题更重要”,能够提出山有研究价值的问题,并作出符合科学事实的假设,是科学探究成功的前提,下列不属于科学问题的是( )