在下述各项中,不符合有利原则的是
在下述各项中,不符合有利原则的是
Before doing a writing task, the teacher elicits students' ideas by asking them to list as many words or phrases that come into their mind about the topic as possible. Here the teacher is playing the role of a(n)________
患者,男,60岁。逐渐消瘦,咳嗽,右胸痛,气短逐渐加重,低热,无咯血,胸透右胸腔中等量积液,胸腔积液为血性,为渗出液。为进一步确诊首先应做下列哪项检查( )
胸部CT检查
纤维支气管镜检查
诊断性人工气胸
胸腔积液癌胚抗原测定
胸腔积液查癌细胞
患儿男,4岁。一向偏食,不吃鱼肉蛋,仅食蔬菜,近日面色渐苍白,不愿活动,时而腹泻,心肺正常,肝脏于肋下3cm可触及,脾未及,血红蛋白60g/L,红细胞计数2.90×1012/L,血涂片示红细胞大小不等,以小细胞为主,中心淡染区扩大。最可能的诊断是