The Crab and Her Mother

（单词翻译:单击）

    “Walk straight，”said a mother crab¹ to her daughter，“stop dragging yourself sideways all the time．”
    “Mother，”replied the daughter，“just show me how．If you walk straight yourself I will copy you．”
    Don't expect people to do things you would not do yourself．Exercises：
    回答下列问题：
    ①What did the mother crab ask her daughter to do？
    ②What do yon learn from the story？