I don't know if Tom _________ here tomorrow. If he ________, I'll tell you.
A:comes; comes
B:will come; comes
C:comes; will come
D:will come; will come
一个长方体的棱长和是160厘米,它的长、宽、高之和是____厘米。
过敏原和抗原比较的叙述中正确的是
阅读如图所示的程序框图,运行相应的程序,若输入x值为﹣4,则输出y值是( )