PP瘤分泌的主要激素是（）.
A.VIP
B.胰多肽
C.降钙素
D.胰高血糖素
E.促胃液素
参考答案：B
解析：PP瘤分泌的主要激素是胰多肽。
Just an hour ago he was telling me on the phone that he ________ home right after the work.
A．comes
B．came
C．would come
D．will come
控制粉尘爆炸的技术措施
