【单选题】患肺痨两年,有潮热,盗汗,颧红,现恶寒甚,低热,头痛,无汗,舌红苔白,脉浮细数,最宜诊断为( )
【简答题】where can we see the Monkey Mountain?
【简答题】Where can we see the Monkey Mountain? [ A] At Flamingo Pond. [B] Beside Asian animals. [ C] After North American animals.
【判断题】口蹄疫发病率高,死亡率低,为1%-2%。
【单选题】能有效治疗癫痫大发作而又无镇静催眠作用的首选药物是
【多选题】口蹄疫易感动物感染口蹄疫病毒后发病的主要临床症状为().
B.
唇部、舌面、齿龈、鼻镜、蹄踵、蹄叉、乳房等部位出现水泡
D.
成年动物死亡率低,幼畜常突然死亡且死亡率高,仔猪常成窝死亡
【单选题】激光器产生激光的充分必要条件是什么? What is the necessary and sufficient condition for laser to produce laser?
A.
受激物质和自发辐射 Stimulated substances and spontaneous radiation
B.
受激物质的粒子数反转分布和光学谐振腔 Inversion Distribution of Particle Number of Excited Matter and Optical Resonator
C.
受激吸收和光学谐振腔 Stimulated Absorption and Optical Resonator
D.
自发辐射和受激吸收 Spontaneous Radiation and Stimulated Absorption
【单选题】—Where are we off to? —We're off-to a place ___ we can see many animals. [ ]