男,31岁,1年来疑被人迫害,数次出走后被家人找回。近半年来常行为诡秘,将家中闹钟、收音机等在半夜深埋在公园树林地下,对亲友冷淡,生活懒散,房间内藏有刀、棍等,体格检查无阳性发现。精神状况检查:接触被动,有自语自笑,衣着尚得体。其称“有人要谋害我”,“有人命令我要么自杀、要么逃出去”否认有病,无自知力 疾病学诊断为
A. 精神分裂症单纯型
B. 精神分裂症青春型
C. 精神分裂症紧张型
D. 精神分裂症偏执型
E. 精神分裂症未分化型
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No sooner()(we arrive) at our house than it started to rain.
A.脂水分配系数与毒效应B.分离度与毒效应C.挥发度和蒸气压与毒效应D.分散度与毒效应E.纯度与毒效应 商品乐果的大鼠经口LD50为247mg/kg,而纯品乐果则为60mg/kg()
A. 脂水分配系数与毒效应
B. 分离度与毒效应
C. 挥发度和蒸气压与毒效应
D. 分散度与毒效应
E. 纯度与毒效应
[听力原文]11-15Venice is a fascinating city between sea and sky. It is built on 117 islands. There aren’t any cars and buses, But it has 150 canals and 400 bridges. The narrow streets, with their historic names, are paved with stones but have no footpaths. They are lined with flower, shops and lights side by side. The squares are charming, The brick bridges are built high to; allow boats to pass tinder them.Every year thousands of tourists front the five continents visit this city. They are always amazed at the charm of her water and beautiful lights, which can make them free from all dust and cooled by the sea breezes.But because the level of the surrounding waters is constantly rising, the Venice faces a threat to its Very existence. And the Venetian love their city and want to stay there to save the Venice from the sea, Now various methods hove already been taken and a plan to protect the city is under investigation. Now what steps have already been taken to protect the city
A.IL-1 B.IL-2C.IL-3 D.EPOE.IFN-α 促进红细胞生成的是()
A. IL-1
B. IL-2
C. IL-3
D. EPO
E. IFN-α