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【单选题】
某犬,以前耳挠耳,耳部有渗出液,外耳道内有棕黑色耳垢,取耳垢镜检,见有呈长 椭圆环虫体,有足 对,均伸出体缘,治疗该病宜选用的药物是( B )A.
阿苯达唑
B.
菌素
C.
吡喹酮
D.
拉沙菌素
E.
.三氮脒
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反馈参考答案：
举一反三
【简答题】伊斯兰教的三大节日是？
【单选题】Examine the parameter for your database instance: You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done. After actual execution of t...
A.
The optimizer used a dynamic plan for the query.
B.
The optimizer chose different plans because automatic dynamic sampling was enabled.
C.
The optimizer used re-optimization cardinality feedback for the query.
D.
The optimizer chose different plan because extended statistics were created for the columns used.
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