根据短文内容，完成下列任务。
    I wanted to be healthy, so I decided to take a walk in Philam Park before I went to work.
    On the first morning, I got out of bed and put on my sports clothes. Then I got into my car and drove off to the park. On the way , I set a goal for myself---I must finish 10 rounds before I went to work.
    After arriving at the park, I got out of the car. The air was nice and clean. I took a deep breath (深呼吸). Then I joined the people there and started my exercise.
    At first, I was enjoying every step (步). However, on my 5^th round, I felt tired and thirsty. I wanted to give up and have a good rest on the ground. As the idea was fighting with my plan, I looked around. (A) moving, many, saw, old, still, I ,people, on. Some of them even had difficulty walking. They took small steps with a cane (手杖).
    Moved by the men and women whom I walked with that morning, I finished my exercies.
We often make plans in our life. Sometimes we may meet lots of difficulties. (B) If we keep on, we’ll reach (到达) the goal in the end, no matter how diffcult it is.

中华文化是中华民族延续的血脉，民族精神是中华民族自立于世界民族之林的精神基石。大力培育和弘扬民族精神（  ）

①最重要的是发挥社会主义核心价值观的主心骨的作用

②既要珍惜我国优秀的历史文化传统，又要继承和发扬我党在近现代史上形成的优良传统

③既要吸收借鉴优秀外国文化，又要抵制外来文化中腐朽、落后的思想

④必须与弘扬以爱国主义为核心的时代精神相结合

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