In just three years, the Net has gone from a playground for the local people to a vast communications and trading center where millions swap information or do deals around the world.

A．business

B．shopping

C．chatting

D．meeting

观察如图所示的刻度尺，以下叙述中错误的是（　　）

A．这把刻度尺的量程为0-8cm

B．这把刻度尺的分度值为1mm

C．这把刻度尺的分度值为0.2cm

D．这把刻度尺不适合用来测量教室的长度