用科学记数法表示数90400为______．
90400=9.04×104．
故答案为9.04×104．
. Just like a voyage at sea, our life journey, ______ time is limited, is full of difficulties as well as opportunities.
A．what
B．of which
C．while
D．whose
职业道德在很大程度上会影响整个社会的道德风貌。（）
