下列哪项不符合咯血特点()
A.颜色鲜红
B.酸碱反应多为酸性
C.咯血前常有血痰数日
D.咯血前常有胸闷、咳嗽等症状
E.血中常含痰、泡沫
参考答案:B
心绞痛急性发作时,为迅速缓解症状,应该选用()
A.皮下注射阿托品
B.肌内注射哌替啶
C.口服对乙酰氨基酚
D.舌下含化硝酸甘油
E.口服硝酸甘油
This schoolbag is not _____expensive. And the price of it is the of the three.[ ]
A. lowest
B. biggest
C. highest
D. smallest