13×12=16;
答:第二天修了全长的16.
故答案为:16.
中颅窝孔、裂由前到后的排列顺序为
A.圆孔-棘孔-卵圆孔-破裂孔B.棘孔-破裂孔-圆孔-卵圆孔C.卵圆孔-圆孔-破裂孔-棘孔D.破裂孔-棘孔-卵圆孔-圆孔E.圆孔-卵圆孔-棘孔-破裂孔
—What's your plan for the summer holidays?
—I've no idea, but I decide at home and have a good rest first.
A. stay
B. to stay
C. stayed
D. staying