肺结核或肺癌有()
A.泡沫状痰
B.脓性痰
C.痰中带血
D.痰液伴有臭味
E.黏脓痰
参考答案:C
瘦肉精在医学上称为“盐酸克伦特罗”。它是白色或类白色的结晶粉末,无臭、味苦,熔点161℃,溶于水、乙醇,微溶于丙酮,不溶于乙醚,属β-兴奋剂类激素。是严重危害畜牧业健康发展和畜产品安全的毒品。其化学成分如图,下列有关盐酸克伦特罗说法错误的是
A.分子式为C12H18Cl2N2O
B.分子结构中有1个手性碳原子
C.能发生加成、取代、消去、氧化
D.能溶于所有有机溶剂
______ the variety that the average family has in beef, fish, poultry, and vegetarian recipes, they find most meals unexciting.
A. In spite B. InspiteC. Despite of D. Despite