【C5】A．differencesB．similaritiesC．variationsD．resemblances

单元格A5的内容是“A5”，拖动填充柄至单元格C5，则B5、C5单元格的内容分别为【】A．B5 C5 B．B6 C7C．A6 A

【C8】A．differencesB．functionsC．instructionsD．experiences

补体膜攻击复合物是A C3bB C5bC C5b6789D C5b678E C5b67

补体膜攻击复合物是A C3bB C5bC C5b6789D C5b678E C5b67

参与溶菌作用的补体成分有( )A.C1~C9B.C3~C9C.C5~C9D.C3 C5~9E.C3~C5

补体激活后 形成的膜攻击复合物是A.C5b67B.C5b678C.D.E.C5b6789