题目

用who、whose、which或that填空I'dlike to tell you about the table manners you should know when youvisit France. 答案：【1】which/that下列哪种现象仅属于特异性免疫A．泪液中的溶菌酶可杀死沙眼衣原体B．胃液中的盐酸可杀死部分进入胃内的细菌C．体内的天花抗体能防御天花病毒D．淋巴结内的吞噬细胞吞噬侵入人体内的链球菌