肢端肥大症与下面哪种激素水平过高有关()
A.泌乳素
B.血管升压素
C.促肾上腺皮质激素
D.生长激素
E.促性腺激素
参考答案:D
Compared to the normal distribution, the t-distribution most likely:()
A. has fatter tails.
B. is more peaked.
C. has greater degrees of freedom.
有关人命安全的NAVTEX电文的优先标志为()
A、VITAL
B、MAYDAY
C、IMPORTANT
D、DISTRESS