主要侵害家兔,经吸血昆虫传播,临床特征是呈特征性狮子头的病原微生物是()
A.日本脑炎病毒
B.蓝舌病毒
C.非洲猪瘟病毒
D.猪水疱病病毒
E.粘液瘤病毒
参考答案:E
检查筛分是矿石()的筛分作业。
The eastern bluebird is considered the most attractive bird native of North America by many bird-watchers.
A.native
B.native with
C.native by
D.native to