下列疫病中,病畜肠粘膜出现大片坏死脱落的可能是()。
A、非洲猪瘟
B、猪水泡病
C、猪传染性胃肠炎
D、猪副伤寒
参考答案:D
Human facial expressions differ from those of animals in the degree __________ they can be controlled on purpose.
A.with which
B.to which
C.of which
D.for which
第四方物流的工作重点在于控制和管理特定的物流服务