初次应答抗体产生规律错误的是（）.
A.潜伏期长
B.抗体含量高
C.抗体持续时间短
D.IgM为主
参考答案：B
Her brother was _______ by the army because of his bad eyesight.
A．promoted
B．accepted
C．rejected
D．served
具有“受盛”功能的脏腑是()
A.脾
B.胃
C.三焦
D.小肠
E.大肠
