Betty _______ a cake now with her brother.[ ]
A. makes
B. is making
C. make
D. making
答案:B
可更好地评价胰岛B细胞功能的指标是()
A.C肽
B.糖化血红蛋白
C.HbAl
D.餐后2h血糖
E.空腹血糖
压力、焓是()参数;热量是过程量。