新鲜尿在正常情况下多呈弱酸性反应,其pH值为6.5,有时呈中性或弱碱性。尿pH值的改变,受疾病、用药和食物影响不大。
参考答案:错
从损伤的病因分类来看,烧伤属于()。
A.生物性损伤
B.化学性损伤
C.机械性损伤
D.物理性损伤
E.以上都不是
As we are _____ Table Cloth, we should be pleased if you would send us your best quotations.
A.in the market forB.on the market forC.entering the market for D.at the market for