对病毒干扰现象的叙述不正确是()
A.只发生在活病毒之间
B.可使感染自然终止
C.与干扰素产生有关
D.与病毒竞争细胞受体有关
E.与缺损干扰颗粒有关
参考答案:A
—I’ve studied growing plants as one of my interests.Could I make some suggestions?
—_______.
A.You will make it
B.Go right ahead
C.Don’t mention it
D.Take it easy
一根长6.28米的铁丝,围成一个圆,圆的面积是______平方米.