归妹卦意指一种畸形的政治婚姻。
参考答案：对
There will be a discussion tomorrow，all those who want to________，please raise your hand. [ ]
A．take apart
B．take part in
C．join
D．take part
煤层倾角（）时，可采用伪倾斜走向长壁采煤法后退式开采
A、35°-55°
B、30°-45°
C、50°-60°
