按拼音写汉字
xián shuǐ____ zhǎng cháo____ cháng hóng____ xuàn wō____
制约环境承载力(即环境人口容量)的首要因素是( )
给课文《刺猬汉斯》分段。
世界上最长的山脉是( )
She _____ some of the food for her husband and went out.