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【单选题】
43,大量生产一般()。A.
A,重复性小
B.
B,柔性高
C.
C,设备利用率高
D.
品种少
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【单选题】某猪场怀孕母猪，产下部分死胎，部分仔猪在10日龄出现震颤、四肢呈划水状。将病猪脑组织匀浆液接种家兔，出现奇痒症状，该病例最可能的致病病原是（）
A.
猪瘟病毒
B.
猪细小病毒
C.
伪狂犬病病毒
D.
日本乙型脑炎病毒
E.
猪繁殖与呼吸综合征病毒
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【简答题】Word的主要功能有哪些?
【简答题】阅读理解。 This is a picture. In the picture you can see some hills (小山),trees and a school.You can see some boys and girls.They are at school.The school is Hongxing Middle School.Lingling is twelve. Fangf...
【简答题】阅读理解。 This is a picture .In the picture you can see some hills (小山), trees and a school. You can see some boys and girls. They are at school. The school is HongXing Middle School. Lingling is twelve...
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