房屋容易在地震中倒塌或者损害的原因有() ["地基不牢、结构布局不合理","砌体强度不够、木骨架不稳定","房屋整体性能差、房屋过高","建筑材料不合格、施工质量差"]
朱砂的主要成分是() ["硫化汞","含水硫酸钠","铜","二硫化亚铁","三氧化二铁"]
癌肉瘤
房屋结构类型包括()。 ["生土结构","木结构","石结构","砖混结构","钢筋混凝土结构","钢结构"]
蟾酥所含强心甾体类化合物具有麻醉作用的是() ["华蟾毒配基","脂蟾毒配基","蟾酥碱","蟾毒配基","蟾毒灵"]
在《长沙市境内河流生态补偿办法(试行)》中,河流流入湘江的,生态受偿主体是谁?