A:可以随意复制任何软件
B:任意设置口令和密码
C:随意删除他人的资料
D:不制造、复制危害社会治安的信息
对生物遗传和变异现象的表述正确的是( )
***完成了孙中山未竟的事业,主要表现在( )
我国去南极科考的最好季节是我国的( )
We ____ ____ ____ the excellent achievement you have made.
His comprehensive surveys have provided the most _________ statements of how, and on what basis, data are collected.