胰岛分泌的调节是一个复杂的过程,下图为胰液分泌调节的示意图(部分)。请据图回答:
激素B是通过()途径到达胰腺的。
参考答案:血液循环
—John saw a three-year-old child walking alone in a shopping mall , so he took the child home immediately and called the police .
—But he have waited with the child until the parents returned .
A.shouldn’t
B.could
C.would
D.might
下列选项中,属于我国当前应急法律体系的是()
A.宪法紧急权制度
B.应急管理基本法
C.应急管理单行法
D.应急管理相关法