[名词解释] 抢险

“拉花”是流传（）地区的汉族民间舞蹈？ ["江西","河北","山西","安徽"] 自号通玄处士的医家是（） ["张景岳","王好古","张洁古","刘完素","朱肱"] 四环素牙外脱色效果不佳的原因为（）。 ["牙齿着色的方式","牙齿着色的部位","牙齿着色的面积","牙齿着色的程度","四环素族药物的种类"] 哪些情况下应尽量避免使用糖皮质激素？ 一般情况241mm井眼溢流量超过（）m3视为井涌 ["1","1.5","2","2.5"] 抢险