The government agency looks control of the oil industry in a desperate attempt to ----- the wildly fluctuating market prices.()
A. acquire
B. stabilize
C. assemble
D. translate
下面哪项属于低水平消毒()
A. 冲洗
B. 微波
C. 臭氧
D. 过氧化氢
E. 碘伏
After ten years spent trying ----- to become the number-one west coast service provider, the corporation finally succeeded.()
A. high
B. down
C. hard
D. soon
断奶仔猪群,30日龄,突然倒地死亡,体温正常,眼睑水肿,有神经症状;剖检可见颈部皮下水肿,脑充血、水肿,下列关于该病描述不正确的是()
A. 发病率不高, 病死率高
B. 与饲料和饲养方法有关
C. 病死猪脱水严重
D. 与饲料和饲养方法有关
E. 有些病例无水肿变化