未知题型
["didnot walk"]
2.采区间沿走向的开采顺序有两种,前进式和后退式。( )
判断题2.采区间沿走向的开采顺序有两种,前进式和后退式。( )
Millielwys does her homework the evening but she wtches...
单项选择题Millielwys does her homework the evening but she wtches TV Fridy evening.on; inB.t; inC.in;Millielwys does her homework the evening but she wtches TV Fridy evening.on; in B.t; in C.in; on D.in;t
中国的瓷器,为欧洲的科学革命提供了强大的武器
未知题型中国的瓷器,为欧洲的科学革命提供了强大的武器