胃的功能包括()
A.运动
B.初步消化食物
C.吸收食物
D.有内分泌能力
E.杀菌
参考答案：A, B, C, D, E
Tony was very unhappy for to the party.
A．having not been invited
B．not having invited
C．haying not invited
D．not having been invited
乙型肝炎是
A．血液传播B．飞沫传播C．唾液传播D．食物传播E．蚊虫传播
