心力衰竭的原因不包括（）
A.心脏负荷增加
B.感染
C.弥漫性心肌病变
D.心肌缺血、缺氧
E.严重的心律失常
参考答案：B
Much to the couple's comfort, their income is now double _____ it was five years ago. [ ]
A. that
B. than
C. which
D. what
其他油渣饼及固体残渣
