黄河三角洲一般海拔2-10米,为山东省陆地最低处。( )
患者,男,65岁,患有骨质疏松症。根据患者饮食习惯,每曰需补充元素钙600mg。药师为其推荐碳酸钙(0.5g/片),该患者适宜的用法与用量是
Having been made speechless, he felt ______ a fool than he had expected.