Can you _____ the star singer ____ us.
A.introduce; to
B.introduces; to
C.introduce; with
D.introduces; with
人类免疫缺陷病毒(HIV)具有哪些属性()
A.属于反转录病毒科
B.单股正链RNA病毒
C.主要感染CD8T淋巴细胞
D.有HIV-1和HIV-2两个型
E.艾滋病(AIDS)的病原体