脑神经包括()等。A、坐骨神经B、迷走神经C、脊神经D、交感神经...
Thursday, February 22, 2024
Thursday, May 9, 2024
Monday, March 13, 2023
Thursday, May 9, 2024
Monday, April 3, 2023
及灵长类动物的胎盘为()。A、弥散型胎盘B、子叶型胎盘C、带状胎盘D、圆盘状胎盘...
Sunday, November 12, 2023
Monday, March 13, 2023
()对维持正常妊娠有重要作用。A、雌激素B、孕激素C、催产素D、松弛素...
Sunday, November 12, 2023
Thursday, May 9, 2024
()是仔兽获得抗体的唯一来源。A、牛奶B、初乳C、酸奶D、母乳...
Monday, March 13, 2023
()不能产生血细胞。A、肝脏B、胸腺C、淋巴结D、腔上囊...
Wednesday, May 22, 2024
属于鸟纲鸡形目雉科的动物是()。A、细嘴松鸡B、雷鸟C、红腹角雉D、水雉...
Saturday, April 29, 2023
缺乏锰元素会引起()特殊症状。A、软骨病B、滑腱症C、骨质疏松症D、角弓反张...
Sunday, November 12, 2023
饲料中不供给机体能量的营养物质是()。A、蛋白质B、维生素C、脂肪D、碳水化合物...
Thursday, February 22, 2024
Thursday, March 16, 2023
中国特产的鳄鱼是()。A、泽鳄B、眼镜鳄C、湾鳄D、扬子鳄...
Saturday, November 19, 2022
第三眼睑突出是()动物的一种病态表现。A、犬科B、鱼类C、食草D、鸟类...
Thursday, April 13, 2023
Wednesday, May 22, 2024
Wednesday, May 22, 2024
中华大蟾蜍属于()科。A、盘舌蜡科B、锄足蟾科C、蟾蜍科D、蛙科...
Tuesday, April 9, 2024