As is known, it was Hu Jintao, _______ president of our nation, who gave ________ lecture at the ceremony of National Day

A．the; a

B．the ; /

C．a; the

D．/; a

对肺炎链球菌典型临床表现叙述错误的是（）

A.患侧胸痛

B.寒战、高热

C.咳嗽、咳铁锈色痰

D.起病急骤、急性病容

E.起病早期即有明显的肺部体征