引起促胃液素释放的主要因素是
A．蛋白质消化产物B．盐酸C．脂肪D．糖类
参考答案：A
Inspired by the seniors in college and his own responsbilities，Dick is determined to work harder．
A．to recognize
B．recognizing
C．recognized
D．being recognized
可兴奋下丘脑体温调节中枢的是（）
A.雌激素
B.孕激素
C.雄激素
D.LH
E.FSH
