257=197,所以257的倒数是719;
0.25=14,所以0.25的倒数是4.
故答案为:719;4.
下列山脉中,位于两个盆地之间的是[ ]
A.天山
B.阿尔金山
C.秦岭
D.横断山脉
My brother is as _______as my sister.
A. more hard-working B. most hard-working C. hard –working