灯柱需设混凝土基础时，施工时应预埋（）。
参考答案：电缆进、出保护钢管
假如你生活在元朝，生活在今山东地区、那么你将会受到哪个机构的管辖
[ ]
A．中书省
B．行中书省
C．辽阳行省
D．岭北行省
Bob was________to be studying at school,but to our surprise,he was surfing the Internet. [ ]
A. afforded
B. supposed
C. known
D. regarded
_____to be studying at school,but to our surprise,he was surfing the Internet. [ ]