下图为某病毒侵入机体被杀伤过程图解,据图回答:
靶细胞裂解后,释放出的抗原要靠()的进一步清除。
参考答案:抗体
典型的单纯性肝囊肿的CT密度是()
A.空气样密度
B.水样密度
C.脂肪密度
D.肌肉样密度
E.肝脏样密度
"Neal,listen,"she said,looking straight at him."I ask you not to get________in this kind of matter.It's none
of your business."[ ]
A. caught
B. involved
C. attached
D. connected