下列说法错误的是()
A.D细胞分泌VIP
B.B细胞分泌胰岛素
C.G细胞分泌促胃液素
D.PP细胞分泌胰多肽
E.A细胞分泌胰高血糖素
参考答案:A
Before I realized that what I said at the meeting did hurt him, he _________ without a word.
A.drove away
B.was driving away
C.was driven away
D.had driven away
资源配置功能实现的程度与效果,不仅与国家的经济状态有关,而且受国家经济体制的制约()