现浇楼板负弯距钢筋要每个扣绑扎。( )
参考答案:对
This dictionary, a few pages __________ are missing, is of no use.
A.to which
B.in which
C.of which
D.among which
患者,男,55岁。慢性冠状动脉供血不足。其心电图诊断之一为“Ⅰ度房室传导阻滞(房室传导延缓)”。其心电图的表现应为
A.P波增宽B.P-R间期延长C.QRS波群时限延长D.ST段延长E.Q-T间期延长