每年农历四月二十八为()山药王庙会。
A.丹东凤凰山
B.鞍山千山
C.锦州医巫闾山
D.本溪九顶铁刹山
参考答案:A
There are several factors _______ in the economy _______ make it difficult to predict the future.
A.operate; where
B.operating; which
C.to operate; that
D.operated; what
试述外伤性头皮血肿的类型、特点及治疗方法。