关于羟基脲,下列哪点不正确:
A.可使肿瘤细胞集中于G1期B.可致畸C.对骨髓和消化道毒性大D.抑制核苷酸还原酶发挥作用E.对慢粒白血病有显著疗效
参考答案:C
More than 100 students have entered for the competition and _____ gains the most points will be the winner.[ ]
A. anyone
B. the one
C. that
D. whoever
如果连续执行()次色彩反转命令,可以将图像先反转后还原。
A、3
B、5
C、2
D、4