如图,直线a∥b,一块含60°角的直角三角板ABC(∠A=60°)按如图所示放置.若∠1=55°,则∠2的度数为( )
The doctor recommended that I________here for sunshine to help me to get over my illness.
“知屋漏者在宇下,知政失者在草野”强调的是政府必须自觉接受( )