肝功能异常的程度随慢性肝炎病情起伏而变化,活动期升高的项目有()
A.血清胆红素
B.血清白蛋白
C.血清碱性磷酸酶
D.血清转氨酶
E.血清球蛋白
参考答案:A, C, D, E
Had I known about this computer program, a huge amount of time and energy ________. [ ]
A. would have been saved
B. had been saved
C. must be saved
D. was saved
面点制品的温度低至()℃时,其中的淀粉老化速度加快。
A、1~3
B、2~5
C、3~7
D、4~8