What are these ______ English? [ ]
A. on
B. in
C. to
D. with
答案：B
You have to ________ here by 9 o'clock. [ ]
A. get to
B. arrive in
C. be
D. come to
患者，男，60岁，咳嗽、痰中带血、体重减轻2个月，曾予青霉素800万单位肌注5天，口服止咳、祛痰药无效，体格检查：左外侧胸第4、5肋间语颤减低，叩诊浊音，WBC8.7×109/L，N69%。
确诊最有价值的辅助检查是（）
A.MRI
B.血CEA
C.ESR
D.纤维支气管镜
E.核素肺扫描
