中海公园内百花争艳、绿树成荫，水面倒影如镜、如诗似画．从物理学角度看，“倒影如镜”是由于（　　）形成的．

A．光的直线传播

B．光的反射

C．光的折射

D．光的色散

The Internet plays an important role in our life. Without the    Internet, life ________ quite different nowadays.

A．would be

B．will be

C．is

D．was