首选红霉素治疗的肺炎为
A.厌氧菌所致肺炎
B.革兰阳性球菌性肺炎
C.嗜肺军团杆菌肺炎
D.金黄色葡萄球菌肺炎
E.病毒性肺炎
参考答案:C
解析:红霉素对嗜肺军团杆菌最有效。
He lost both of his parents in the big earthquake, but for him, a kind couple adopted him and took good care of him.
A.suddenly
B.naturally
C.obviously
D.luckily
长江被人们称为“黄金水道”是因为( )
A.年径流量大
B.丰富的水能资源
C.通航能力强
D.流域面积广