表示钢材塑性的指标常用()符号来衡量。
A.σb、σS
B.δψ
C.ak
参考答案:B
Jack's brother likes friends with people who are different from me. [ ]
A. getting
B. taking
C. asking
D. making
用于下丘脑-垂体-肾上腺皮质功能监测()用于下丘脑-垂体功能监测()用于肾上腺髓质功能监测()用于胰腺功能测定()
A.高渗盐水试验
B.可的松试验
C.胰高血糖素激发试验
D.血清总T4测定
E.葡萄糖-胰岛素释放试验