1936年10月，红军三大主力在___________会师，标志红军长征胜利结束。
会宁
分解因式：x2+3x=（ ）。
Computers and mobile phones, though they are indeed making our life______and more ______, have reduced the need for face-to-face communications.
A．easily ; efficient
B．easier; efficient
C．easy ; efficiently
D．easily ; efficiently
