可引起视力减退的疾病有()
A.蝶筛窦黏液囊肿
B.蝶窦脓囊肿
C.侵袭型曲霉菌病
D.变态反应型曲霉菌病
E.上颌窦黏膜囊肿
参考答案:A, B, C, D
You____ buy a gift, but you can if you want to. [ ]
A. must
B. mustn't
C. have to
D. don't have to
发生压疮的最主要原因是
A.局部组织受压过久B.病原微生物侵入皮肤C.机体营养不良D.用夹板时衬垫不平E.皮肤受潮湿、摩擦刺激