冠状动脉管状狭窄指狭窄长度()
A.5~10mm
B.5~15mm
C.10~15mm
D.10~20mm
E.15~25mm
参考答案:D
X线摄片表现:肿块边界清楚,与正常组织有明显的分界线,无骨膜反应,可诊为:
A.脂肪瘤B.纤维瘤C.骨质增生D.良性骨瘤E.恶性骨瘤
—Does the new policy work well on education?
—Yes. It_____more students. [ ]
A. brings in
B. applies for
C. results from
D. leads to