单选题
此试题出现在
严格按()加工制作,通过国家配装眼镜标准检测的眼镜,称为合格眼镜。
_______是WiMax标准.
《聊斋志异》
在GSM系统中,常用的天线按覆盖方向分(),()。双极化天线通常采用的的极化方式是()。
Kernig征与Lasegue征(直腿高举试验)检查时有什么不同?
关于上颌窦恶性肿瘤,下列表述正确的是( )
生物膜是由极性脂和蛋白质通过非共价键形成的片状聚集体,膜脂和膜蛋白都可以自由地进行侧向扩散和翻转扩散。
关于管理层次与管理幅度关系的说法正确的有( )。
领导协调的种类有()。
[复合型非选择题]男性,42岁,洗澡时突感剧烈头痛,伴喷射性呕吐,查体:神清,四肢肌力正常,颈强直,克氏征(+)。最先考虑诊断()
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