用酶法测定三酰甘油实际是测定血清中的（）
A.游离甘油
B.3-磷酸甘油
C.三酰甘油
D.游离甘油和三酰甘油
E.2-磷酸甘油
参考答案：D
Everyone agreed that the suggestion he________ at the meeting________. [ ]
A. put forward; made no sense
B. put on; makes no sense
C. put off; didn't make any sense
D. put forward; doesn't make any sense
当喂丝皮辊的夹持力较低时，应更换（）
A、胶皮
B、弹簧
C、轴承
D、陶瓷导丝件
