阅读短文,从方框内所列选项中,选出最佳选项填入对应空白处,使短文通顺、连贯。(选项中有一项多余)
What do you think of exercise? 51. It helps us in many ways.
When we exercise, our heart becomes stronger. 52. This helps us to be good at our subjects and do many things better. After a sports game, we can make some new friends too.
53. We can walk, run, swim or ride a bike. We can also play ball games like soccer, basketball and tennis. Even singing and dancing are good exercise!
When and where to exercise? Some like morning exercises, others enjoy playing outside after school. 54. We can play sport at any safe place we like—at school, in the park or even in our living rooms at home.
Exercise makes us strong and feel good every day. 55. Just 30 minutes of exercise each day can make us healthier. Let's start exercising right now!
A. How about exercise?
B. We also sleep better at night.
C. Like food, it's very important.
D. Here are many ways to exercise.
E. But do not exercise too much at a time.
F. Here are many places for us to exercise.

51. C 【解析】逻辑推理题。根据“What do you think of exercise?”可知，上文询问你认为锻炼怎么样，此处需要对锻炼的看法进行回应。C 选项符合语境。故选 C。
52. B 【解析】逻辑推理题。根据上文“When we exercise, our heart becomes stronger. ”以及下文“This helps us to be good at our subjects and do many things better”可知，运动对身体有好处，“This”应该指的是运动带来的好处。B 选项能够很好地衔接前后文，解释了运动如何让我们擅长科目和在做事方面表现更好。故选 B。
53. D 【解析】逻辑推理题。根据“We can walk, run, swim or ride a bike. We can also play ball games like soccer, basketball and tennis. Even singing and dancing are good exercise!”可知，这些都是运动的方式。D 选项可以引出后文对运动方式的介绍。故选 D。
54. F 【解析】逻辑推理题。根据“We can play sport at any safe place we like—at school, in the park or even in our living rooms at home. ”可知，这里描述的是运动的地点。F 选项引出后文对运动地点的介绍，故选 F。
55. E 【解析】逻辑推理题。根据“Just 30 minutes of exercise each day can make us healthier. ”可知，此处在提醒不要过度运动。E 选项符合语境。故选 E。