医院内获得性肺炎，最常见的致病菌是（）
A.病毒
B.厌氧菌
C.革兰阳性球菌
D.真菌
E.革兰阴性杆菌
参考答案：E
我国岛屿最多的省区是________。
Fifty years ago, wealthy people liked hunting wild animals for fun ________ sightseeing.
A．rather than to go
B．more than going
C．other than going
D．than to go
