【简答题】One day, a farmer’s donkey fell into a dried up well. The animal cried 16 for hours as the farmer tried to 17 what to do. Finally, he decided that the animal was 18 , the well needed to be covered up,...
【简答题】One day a farmer’s donkey fell down into a well. The animal cried piteously for hours as the farmer tried to figure out what to do. Finally, he decided that the animal was old, and the well needed 31 ...
【单选题】血液中免疫球蛋白在围产期向奶牛初乳中大量转移的机制主要是通过
【简答题】母乳是婴儿最理想的食物。初乳的概念是指A、婴儿出生后5d内的母乳 B、婴儿出生后7d内的母乳 C、婴儿出生后4d内的母乳 D、婴儿出生后3d内的母乳 E、婴儿出生后8d内的母乳 与牛奶比较,母乳的优点不包括A、必需氨基酸组成好 B、蛋白质含量高 C、牛磺酸含量高 D、乳糖含量高 E、铁和锌的生物利用率高 母乳中含有的蛋白主要为A、乳铁蛋白 B、乳清蛋白 C、酪蛋白 D、白蛋白 E、免疫球蛋白