今天的中国，嫦娥二号卫星最远能够飞行到距地球超过亿万公里的地方，“蛟龙号”潜水器最深可以下潜到海底超过7000米处 ……无论是面对自然灾害的严峻考验，还是人类社会发展带来的新课题、新挑战，世界总能从中国人身上感受到一种巨大的力量，那就是伟大的中华民族精神。这告诉我们中华民族精神（   ）。

①是推动中华民族走向强大的动力   

②是改造世界的物质力量

③是支撑中华民族发展的精神支柱   

④决定我国综合国力的强弱

根据短文理解，从A、B、C、D四个选项中选择最佳一项填空。

    Learning how to play the piano is not the only way for children to have a bright future. Children can choose what they like in many ways. Many children are good at sports. Maybe they will be great players when they grow up.

    Here is another example: the 1 in Shanghai have paid much attention to story-telling. Story-telling can also make them 2 excellent students. They 3 many story-telling contests every year. And children have 4 great interest and taken an active part in them. Some students who were too shy to speak in public have been now very good 5. 

    Now many parents 6 their children to learn how to play the piano or the violin. 7 the money and energy they spend cannot make sure that their children will 8 much in a short period of time. However, training children to tell a story is quite9.Although it costs little, it's a good and an easy way 10 children to develop.

读《我三十万大军胜利南渡长江》，文段中短语“冲破敌阵，横渡长江”八个字说明了什么？

不少人喜欢养花，开始时可能是出于兴趣，但随着时间的推移，发现养花可以使人的心境变得平和，消除烦恼。养花就变成了一种享受、一种情趣。这充分说明 (     )