临床上评价蛋白质营养状况的常用指标是()。
A.清蛋白
B.球蛋白
C.运铁蛋白
D.前清蛋白
E.视黄醇结合蛋白
参考答案:A
A.瓶内气体的密度增大
B.瓶内气体分子的平均动能增加
C.外界对瓶内气体做正功
D.热传递使瓶内气体的内能增加
__________ his knowledge of the mountainous country, John Smith was appointed as our guide. [ ]
A. In spite of
B. Due to
C. Instead of
D. Regardless of