下列哪些激素在生理情况下能促进胰岛素的分泌
A．生长抑素
B．抑胃肽
C．促胃液素
D．胰高血糖素
参考答案：B,D
写出一个一次函数解析式，并使它的图象不经过第四象限：（ ）。
More than one（）the people heart and soul.
A. official has served
B. officials have served
C. official has served for
D. officials have served for
