【Jim，TomandJackarethreelittlebirds．Oneday，theirmothersaystothem，amp;quot;Boys，it#39;stimeforyoutoflydownandeatsand（沙子）．amp;quot;JimandTomdo，butJacksays，amp;quot;Ican#39;tfly，andIdon#39;tlikesand．amp;q
<p>问题：【Jim，TomandJackarethreelittlebirds．Oneday，theirmothersaystothem，amp;quot;Boys，it#39;stimeforyoutoflydownandeatsand（沙子）．amp;quot;JimandTomdo，butJacksays，amp;quot;Ican#39;tfly，andIdon#39;tlikesand．amp;quot;amp;quot;But】<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">储春生的回答：<div class="content-b">网友采纳 56．D细节理解题．根据．We must eat sand because it can help usgrindup some hard food可知鸟必须吃沙的因为它可以帮助把一些硬的食物磨碎，故选D．5...
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