题目

单词拼写 根据首字母及汉语提示，完成下列单词的拼写，使句意明确，语言通顺。 1The man made an e_________(努力) to make money for his family. 2She s_________(分开) the good apples from the bad ones last night. 3My father likes wearing his w________ (木制的) shoes. 4Many hospital s ________ (职工)have to work at night. 5Cindy is g________ (逐渐地) getting used to living in China.求经过直线2x+y+4=0和圆x2+y2+2x-4y+1=0的交点，且面积最小的圆的方程．