诊断肺炎球菌肺炎哪一症状价值最大
A.寒战
B.持续高热
C.咳嗽、呼吸困难
D.胸痛
E.咯铁锈色痰
参考答案:E
The famous singer and actress ___________ performing in our city this week.
A.am
B.is
C.are
D.be
最容易发生扭转的卵巢肿瘤是()
A.无性细胞瘤
B.内胚窦瘤
C.颗粒细胞瘤
D.囊性畸胎瘤
E.两性母细胞瘤