在圆x2+y2=4上,与直线4x+3y﹣12=0的距离最小的点的坐标是( )
A:(85,65)
B:(85,-65)
C:(-85,65)
D:(-85,-65)
绿色植物甲含有物质W,该物质为无色针状晶体,易溶于极性有机溶剂,难溶于水,且受热、受潮易分解.其提取流程为:植物甲→粉粹→加溶剂→振荡→收集提取液→活性炭处理→过滤去除活性炭→蒸馏(含回收溶剂)→重结晶→成品.回答下列问题:
I usually stay ______ bed ______ Sunday morning.