题型:判断题 I don't like fish, so I _____ eat it unless I was extremely hungry.[ ]A. needn't B. shouldn't C. can't D. wounldn't 查看答案
题型:判断题 2岁男孩,持续高热伴咳嗽6天,加重1天,烦躁、气促,青霉素治疗无效。体检:体温39.5℃,口唇青紫,三凹征明显,呼吸65次/分,心率160次/分,气管略右移,左下肺呼吸音低,叩诊呈浊音,肝肋下2cm,X线胸片示:两肺散在斑片状阴影,左下肺致密阴影,可见自外上向内下的反抛物线状边缘。抗生素选择最适宜的是()A.青霉素B.红霉素C.罗红霉素D.氨苄西林E.氧氟沙星 查看答案