如图为人的屈肘动作和伸肘动作示意图，与此有关的叙述正确的是（ ）

下面是一段对话。请将下列句子按顺序排列，使对话意思正确。

①Great! Is Nancy going to play at the concert?

②Of course, I'll come with Wang Bing, Liu Tao and Yang Ling.

③What are you going to do tomorrow?

④There's a concert in the school tomorrow afternoon. I'm going to play the violin.

⑤Sure, she's going to play the piano. Would you like to come?

____

Look! The panda is so ____. It's _____ than both of us.

天津市对1500名中小学生进行了调查，52%的学生每天由家长代为整理学习生活用品，79%的学生离开家长束手无策，只有3%的学生能做些家务。这个数据提示我们（    ）

①我国的孩子很幸福                                                    ②人生需自立，我们要事事自主

③我国的父母们不注重孩子的自立能力的培养        ④这样的依赖会使人丧失独立生活的能力和精神，缺乏生活的责任感