关于冠心病的分型错误的是()
A.无症状性心肌缺血
B.心律失常
C.心肌梗死
D.猝死
E.心绞痛
参考答案:B
–Has your father returned from Africa yet?
–Yes, but he _____here for only three days before his company sent him to Australia.
A.has been
B.will be
C.would be
D.was
颅内压增高典型的生命体征改变为脉搏缓慢、宏大有力,呼吸(),血压()。