黄河发生凌汛的时间是[ ]
A．7-8月
B．初冬和初春
C．秋季到冬季
D．春季到秋季
答案：B
Hurry up, Mike. You must get to the airport an hour before the plane ______. [ ]
A. gets off
B. turns off
C. takes off
D. puts off
社区治理绩效评估指标体系构建应包括哪些具体内容？
