A:x<2
B:x>2
C:x<﹣1
D:x>﹣1
I think his dream can ________ one day if he works hard.
生物体的生长离不开细胞数目增多和细胞体积增大,细胞数目增多是通过____来实现的;细胞体积增大是通过____来实现的.