37＋5=____

64＋8=____

87＋7=____

48＋9=____

①彩  彩旗  云彩  ____  ____

②回  回答  回家  ____  ____

③清  清晨  清香  ____  ____

④落  落叶  飘落  ____  ____

能够把细胞中的有机物分解，同时释放出能量供给细胞利用的结构是(    )

根据课文内容选词填空。

             thick      soft        hot         hear       blind      elephant        hard

    It is a____ day. Four men are under a tree. They are all ____ . They cannot see. Then they ____  a noise. Oh, it's an____ . They touch the elephant. One touches its ear, he thinks the elephant is____ . One touches its tooth, he thinks it's ____ . One touches its tail, he thinks it's thin. One touches its leg, he thinks it's ____ . How funny!