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【单选题】
某鸡场产蛋鸡突然发病,闭目昏睡,头面部水肿,脚部鳞片出血。剖检见、黏膜及内脏广泛出血。病料悬液经0.2μm滤膜过滤后,滤液接种鸡胚可致鸡胚死亡,能鉴定该病原的方法是( )
A.
生化试验
B.
细菌分离培养
C.
光学显微镜观察
D.
脂溶剂敏感试验
E.
血凝和血凝抑制试验
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皮皮学刷刷变学霸
举一反三
【单选题】Most walls were brick of or concrete, while the wall was made of a stone.
A.
translucent
B.
transient
C.
abject
D.
transplant
【简答题】Do you know what the White House is? Perhaps some of you do , while others don't. The White House is a house in Washington. The president( 总统 ) of the U.S.A. lives in it. It's really white. But do you...
【单选题】三合诊检查是指( )
A.
腹部、阴道、子宫的联合检查
B.
腹部、阴道、膀胱的联合检查
C.
腹部、阴道、直肠的联合检查
D.
阴道、子宫、膀胱的联合检查
E.
阴道、子宫、直肠的联合检查
【判断题】The stone walls were built by masons to control sheep recently in Yorkshire.
A.
正确
B.
错误
【多选题】下列球根花卉属于鳞茎类的是
A.
百合
B.
郁金香
C.
朱顶红
D.
风信子
【多选题】下列球根属于鳞茎类的有
A.
水仙
B.
百合
C.
郁金香
D.
唐菖蒲
【简答题】Look at the four stars (*) that indicate where the following sentence could be added to the passage:Although archaeologists do not know for sure how the acoustic features were used, they have some ide...
【简答题】在终端输入 方法会以字节流的形式打印请求url?
【多选题】下列花卉球根属于鳞茎类型的是
A.
郁金香
B.
百合
C.
唐菖蒲
D.
仙客来
【单选题】三合诊检查是指
A.
超声、阴道镜、腹部检查
B.
腹部、阴道、直肠联合检查
C.
B超、阴道、腹部检查
D.
直肠、腹部、阴道镜检查
E.
B超、阴道镜、直肠检查
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