8.下列方程不，不属于线性模型的是（）

单项选择题The latter half of the 18th century English literature was marked by a strong protest against the bondage of classicism and a recognition of the claims of passion and emotion which is later known as ( ). A.sentimentalismB.realismC.pre-romanticismD.neo-classicism

单项选择题患儿，男性，1岁，自出生后反复发生严重感染，检测其血清发现各类抗体水平极低，胸腺内未见到淋巴细胞，可诊断为( )A.T细胞免疫缺陷病B.B细胞免疫缺陷病C.重症联合免疫缺陷病D.先天胸腺发育不全E.白细胞黏附缺陷病