雏鸡群,腿无力,喙与爪变软易弯曲,采食困难,行走不稳,常以跗关节着地,呈蹲伏状态,骨骼变软肿胀。该病最可能的诊断是
A、骨软症B
暂无解析
InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
Althoughtheyagreethatlifeisimportantandshouldberespected,theyfeelthatthequalityoflifeshouldnot__(ignore).
我国现阶段多种所有制经济并存和共同发展的原因在于我国生产力的()
超额利润是个别生产价格低于()