反映甲状腺功能紊乱,目前最敏感的指标是()
A.游离T4
B.游离T3
C.血清TSH
D.血清TRH
E.总T4
参考答案:C
弯制口外弓的外弓用()
A.0.9~1.0mm钢丝
B.1.0~1.2mm钢丝
C.1.2~1.4mm钢丝
D.1.4~1.6mm钢丝
E.1.4mm以下均可
PERT provides project managers with the following ______.
A) a basis for obtaining the necessary facts for decision makingB) the basic structure for the reporting of informationC) a graphical depiction of task internal-dependenciesD) A, B and C