对乙肝病毒感染具有保护作用的是【 】
A.抗HBe
B.抗HBs
C.DNA聚合酶
D.抗核抗体
E.抗HBc
参考答案:B
--What do you want to do next? We have half an hour until the basketball game.
--____. Whatever you want to do is fine with me.
A.It just depends
B.It’s up to you
C.All right
D.Glad to hear that
根据马斯洛需要层次理论,最高层次的需要是()。
A.安全需要
B.爱与归属需要
C.生理需要
D.自我实现需要