肺炎球菌肺炎患者,病程中出现心悸、气短、心脏扩大、奔马律、心脏收缩期杂音,应考虑并发( )
A.心肌炎
B.胸膜炎
C.感染性休克
D.急性肾衰竭
E.脓胸
参考答案:A
----Will the box be _____________? ---- Maybe, but someone will help me .
A.too heavy for you to carry
B.too heavy for you to carry it
C.so heavy for you to carry it
D.so heavy for you to carry
压型钢板的截面特征随着受压翼缘宽厚比不同而变化。当宽厚比大于极限宽厚比时,截面特征按_________________计算;当宽厚比小于极限宽厚比时,截面特征按_______________计算。