不等式组{x-y≥0x+y+2≥02x-y-2≤0所确定的平面区域记为D,则(x-2)2+(y+3)2的最大值为 ()
人体的呼吸道不具有的功能是( )。
After the clothes were dry outside, she them and put them in her suitcase.
选出句子中出现的单词( )