小宋的妈妈晚上11点下班回家，看到女儿房间的灯还亮着，就怀疑她在看小说。于是，以收拾房间为由来到她的房间找小说。当时，小宋说自己准备睡觉。可这时，妈妈在小宋的抽屉里找到了一本言情小说，生气地骂了她。小宋和妈妈顶起了嘴，并大声叫嚷：“把我打死吧。”妈妈打了小宋两个巴掌，并把书撕了。小宋冲出了家门，妈妈尾随追出，可是没能追到。直到第二天早上，小宋才回到家中。

据此回答 下列小题：

“神舟十号”飞船与“天宫一号”成功对接后，以下哪一个作为参照物，“天宫一号”是静止的（　　）

    It's going to be Sport Day on Friday. There are some students on the playground.

    They are doing sports. Amy is running. She can run fast. Sam is jumping. He can jump really high. Daming is playing football. He can play it very well. What is Lingling doing? She is playing basketball. She can catch the ball. But she can't catch it very well.

如图所示，天平两端托盘上放置两个完全相同且装有等量清水的密封装置，将右边枝条上的叶片去掉一半，放在阳光下，然后把天平调节平衡．整个装置放在阳光下照射一个小时，其结果是（    ）