We have a picnic together with our teachers next Thursday.
A:are going
B:are going to
C:will going
D:may going to
汽车的速度是10m/s,读作( )
关于动物生殖和发育的叙述,正确的是( )
先化简,再求值:(x﹣2)(x+2)+x2(x﹣1),其中x=﹣1.