扩张型心肌病左、右心室同时衰竭时，与临床症状和体征最有关的因素是（）
A.静脉回流增加
B.肺淤血
C.心排量减少
D.心律失常
E.心肌缺血
参考答案：D
牙体缺损修复时如原有根尖周病未彻底治疗修复后会出现（）
A.过敏性痛
B.自发性痛
C.咬合痛
D.龈炎
E.修复体松动
The novel is so badly written that I can hardly _____ what the writer is trying to say.
A．find out
B．figure out
C．look through
D．get through
