细胞融合有利于病毒的()
A.吸附
B.脱壳
C.扩散
D.复制
E.释放
参考答案:C
—Tomorrow ____ my birthday. I’d like you and Jane to come.
—I’m not sure if she ____ free.
A.will be; is
B.is going to; is
C.is; is
D.is; will be
下图中能正确表示坡向对自然带影响的是 [ ]
A、
B、
C、
D、