单项选择题The “whoa” at the end of the text is used to show my surprise and pride of his son’s performance in grammar.
单项选择题某猪群在多雨季节，因饲喂存储不当的配合饲料而发生中毒性疾病。该病最可能是( )。 A．氢氰酸中毒 B．棉籽饼中毒 C．菜籽饼中毒 D．亚硝酸盐中毒 E．黄曲霉毒素中毒
