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【单选题】
About lymphoid organs ()A.
Thymus and bursa of Fabricius are central lymphoid organs
B.
Spleen, lymph node and tonsil are peripheral lymphoid organs
C.
The submucous tissues of digestive tract, respiratory tract and urogenital tract are rich in lymphoid tissue
D.
Lymph nodes are mostly distributed near the organ door, along the blood trunk, and in the body fossa, collecting the lymph in the area
E.
All of the above are correct
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【简答题】阅读理解。 This is a picture. In the picture you can see a school. The school is Wulong Middle School. It's very beautiful. You can see a boy and a girl, too. They are at school now. The boy is Li Gang and...
【单选题】This is a picture. It's a classroom(教室). It's a nice room. In the picture, we can see five desks and six chairs(椅子). You can see a girl and two boys, too. Three books are on a desk. A pencil-box is on...
A.
a boy and a girl
B.
a pen and two rulers
C.
a classroom
【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.
日本脑炎病毒
E.
猪繁殖与呼吸综合征病毒
【简答题】阅读理解。 This is a picture. It's a classroom. It's a big room. In the picture, you can see a table, five desks and six chairs. You can see a girl and two boys, too. Three books are on the table. ...
【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.
猪繁殖与呼吸综合征病毒
C.
日本脑炎病毒
D.
伪狂犬病病毒
E.
猪细小病毒
【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.
猪细小病毒
B.
猪瘟病毒
C.
伪狂犬病病毒
D.
日本乙型脑炎病毒
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