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
How _______ the song she sings sounds! I have never_______ a better voice.
A.beautifully; sounded
B.beautiful; heard
C.nicely; heard
D.nice; sounded
食品安全备受社会关注。下列食品符合安全要求的是( )
A.酱油中添加含铁的营养强化剂
B.饮料中添加塑化剂
C.用甲醛浸泡海鲜
D.用工业盐腌制火腿