建设单位应在竣工验收合格后()内,向工程所在地的县级以上地方人民政府行政主管部门备案报送有关竣工资料。
A.1个月
B.3个月
C.15天
D.1年
参考答案:C
I'm sure you'd rather she went to school by bus, ?
A.hadn't you
B.wouldn't you
C.aren't I
D.didn't she
气生藻类一般都有厚壁或胶鞘适应干旱的生活环境。