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【单选题】
对蛙脑膜炎败血金黄杆菌病最好的免疫方法是( )。
A.
肌肉注射伊丽莎白菌疫苗或喷雾法免疫
B.
投喂抗生素药物
C.
泼洒益生菌抑制病原菌
D.
对蛙池定期消毒
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】当洪水即将来临时,应对洪水灾害的正确方法是
A.
到屋顶、大树或附近小山丘上暂避
B.
及时报告,统一组织抢险救灾
C.
有序的进行人员和财产转移
D.
有序的将人员和财产向高出转移
【单选题】Rock Industries has four divisions.In the quest to develop a more achievable budget for the coming year, the chief executive officer has elected to develop the company’s budget by using a decentralize...
A.
be negligible.没有什么可值得一提的。
B.
require development of a production budget that is forwarded to the Budget Department.编制生产 预算递交预算部门
C.
require development of a production budget after receiving the division’s projected sales forecast. 在收到本分部的销售预测后，编制生产预算
D.
require development of a production budget based on the prior year’s manufacturing activity.根据 上一年度的制造活动编制生产预算