阅读下面这首诗，完成后面问题。
                                                                                      江亭夜月送别二首（其二）
                                                                                                    王勃
                                                                                               乱烟笼碧砌，
                                                                                               飞月向南端。
                                                                                               寂寞离亭掩，
                                                                                                江山此夜寒。

写出3个个位上的数和十位上的数的和是10的两位数： ____，____，____。

浸在液体中的物体如果受到浮力作用，那么施力物体是（　　）