人们都知道,苹果有核。可我们班的小朋友想通过自己的努力,让人们吃上“无核苹果”。上《认识桔子》一课时,我们给每个小朋友发了两只桔子。小朋友们尝了桔子的果肉后发现:有一种桔子味甜而无核,另一种桔子味 People know that Apple has nuclear. However, our children in our class want to make people eat “non-core apples” through their own efforts. On the “Learn Oranges” lesson, we gave each child two oranges. After the children tasted the flesh of oranges, they found that there was a sweet orange without nucleus, another orange flavor