Jim records his physical training every time so that he can________it and think about how he should improve it the next day.

根据文意及首字母提示补全短文。

      As everyone knows, not o____ fast walk but also slow walk does good to the muscles and lungs of human. So people walk to build up their bodies, or to lose w____. But only some of them know that taking a walk every day is also good for p____ people's hearts. Heart attack has become the first disease in the world b____ more and more people suffer from it.

    Taking a walk can improve the blood supply to our hearts. If you try to walk as o____ as possible, you'll have a healthier heart.

请你根据下表提供的数据，判断这是哪一个国家的经济发展情况（    ）

下列说法正确的是（    ）