（）不是元朝的国防形势。
A、以兵立国，横扫欧亚
B、兼收并蓄，兵器无敌
C、以战养战，征伐不已
D、积贫积弱，执意求和
参考答案：D
下列哪种疾病能在胸片上看到“空气支气管征”（）
A.细支气管肺泡癌
B.大叶性肺炎
C.阻塞性肺炎
D.肺泡性肺水肿
E.肺梗塞
--- Could you tell me_____ yuanxiao in china?
--- Usually at Lantern Festival.
A．when do people eat
B．how do people eat
C．when people eat
D．how people ear
