多项选择题

人体生长激素分泌的特点是

A．生长激素呈现脉冲式分泌、昼夜节律性
B．生长激素夜间分泌多，而白天分泌少
C．生长激素由垂体后叶分泌
D．生长激素是蛋白质激素

你可能感兴趣的试题

单项选择题

假设有一只债券，票面利率为4%、面值为1000元、期限为6年且一年付息一次，此时它的卖价为1054.17元，在此价格上购买该债券的投资者获得的到期收益率是多少？
A、3%;
B、4%;
C、5%;
D、6%;

单项选择题

What does Linux headquarter look like? A.
It is like the White House. B.
It is crowded with thousands of people. C.
It is so simple actually just a man and his computer. D.
It is located in top-secret zone.