调控壁细胞分泌活动的胃肠内分泌细胞是（）.
A.分泌组胺的ECL细胞
B.分泌生长抑素的D细胞
C.分泌胃泌素的G细胞
D.以上都对
参考答案：D
— Have you heard what Mary asked me?
— Yes. She asked _____. [ ]
A. whether I have got the ticket for the 2012 Olympic Games
B. whether you had got the ticket for the 2012 Olympic Games
C. that I have got the ticket for the 2012 Olympic Games
D. had you got the ticket for the 2012 Olympic Games
许诺原理中，许诺\所需时间和实现目标可能性三者间的关系是（）
A.大\长\大
B.大\长\小
C.大\短\小
D.小\长\小
