通过竞争性抑制腺苷酸合成酶，使DNA合成受阻的抗病毒药物（）
A.碘苷
B.金刚烷胺
C.阿昔洛韦
D.利巴韦林
E.阿糖腺苷
参考答案：A
Allow children the space to voice their opinions, they are different from your own. [ ]
A. even if
B. until
C. unless
D. as if
冲压中的构件所受的载荷为（）
A．静载荷
B．动载荷
C．交变载荷
D．冲击载荷
