如图，AB平行CD，如果∠B=20°，那么∠C为( )
Time now
It's ____ in the morning.
Weather information
Snow has been falling since yesterday.
Suggested ways of transportation(交通工具)
____.
Influence to the school
Some schools in the countryside are ____
More information about the weather
____ will last for at least two more days.
Time for the next ____.
In two hours
按要求写句子。
①楚国的大臣们都得意扬扬地笑起来。(缩句)
②大王怎么能说齐国没有人呢?(改为陈述句)
③从这以后，楚王不敢不尊重晏子了。(改为肯定句)
当宽为2cm的刻度尺的一边与圆相切时，另一边与圆的两个交点处的读数如图所示（单位：cm），那么该圆的半径为（ ）
