根据题意得：x-8≥08-x≥0，
解得：x=8，
则y=12，
则xy=8×12=46．
故答案是：46．
If the dog hadn't woken us, we wouldn't have noticed the fire and it _____ to the house next door. [ ]
A. could spread
B. should have spread
C. would spread
D. might have spread
关于安全特低电压的说法，正确的是？
A.仅有直接接触电击保护
B.只有间接接触电击保护
C.兼有直接接触电击和间接接触电击保护
