The vaccine usually given at birth is ( ) A: Malik B: bursa of Fabricius C: Newcastle disease D: Bird flu
The vaccine usually given at birth is ( ) A: Malik B: bursa of Fabricius C: Newcastle disease D: Bird flu
1600多年前，我国广东农民就应用黄猄蚁(Oecophylla smaragdina Fabricius) 来防治柑橘病害。
1600多年前，我国广东农民就应用黄猄蚁(Oecophylla smaragdina Fabricius) 来防治柑橘病害。
1600多年前，我国广东农民就应用黄猄蚁(Oecophylla smaragdina Fabricius) 来防治柑橘病害。 A: 正确 B: 错误
1600多年前，我国广东农民就应用黄猄蚁(Oecophylla smaragdina Fabricius) 来防治柑橘病害。 A: 正确 B: 错误
The peripheral immune organs include A: Lymph node,Spleen, and Bone marrow B: Thymus, Spleen, and MALT C: Bursa of Fabricius,Spleen,and Tonsil D: Spleen, Lymph node, and MALT E: Appendix, Bone marrow, and Lymph node
The peripheral immune organs include A: Lymph node,Spleen, and Bone marrow B: Thymus, Spleen, and MALT C: Bursa of Fabricius,Spleen,and Tonsil D: Spleen, Lymph node, and MALT E: Appendix, Bone marrow, and Lymph node
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