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如图是青蛙的生殖发育过程图，请根据所学知识，回答下列问题． （1）②是青蛙的______． （2）按青蛙的发育过程用序号排序；______． （3）青蛙的生殖过程中幼体和成体在形态和结构方面有显著差异，称为______发育．（选填“变态”或“直接”） （4）蛙鸣叫的意义是______（选填“求偶”或“觅食”）． （5）青蛙有“庄稼卫士”之称．然而有的人竟把它做成一样菜“XXX田鸡”摆上了酒宴，这种做法是______（选填“正确”或“不正确”）的，我们应该______．
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【简答题】潜力，潜在的，潜能，可能的，电位，电势
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【简答题】可能的;潜在的;潜力
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