白人中支持民权运动的中产阶级占多大比例?()
A.百分之十
B.百分之二十
C.百分之三十
D.百分之四十
参考答案:C
患者男性,64岁,活动时胸闷、气促4年余,加重伴胸痛1小时入院。查体:BP114/62mmHg,P72次/分,R20次/分,双肺下野未闻及干湿啰音,心脏听诊未闻及病理性杂音,双下肢无水肿。心肌酶谱升高,心电图示:急性广泛前壁心肌梗死。入院后突然出现抽搐,血压测不出,心电图示心室颤动,紧急中未找到导电胶,遂直接予以体外同步直流电除颤后,恢复窦性心律,患者诉胸前疼痛伴烧灼感,首先考虑为()
A.体循环栓塞
B.皮肤烧伤
C.肺循环栓塞
D.气胸
E.低血压状态
– What a terrible collision accident!
– Judging from the scene, personally, it is one or two car drivers, rather than the truck driver, who _____.
A.is to blame
B.are blamed
C.are to blame
D.is blamed