1. Each 100 grams of orange contains 47 calories, and the edible part of an orange weighs about 148 grams. Therefore, if we eat an orange, the caloric intake will be It is 70 calories and we need to walk for 48.3 minutes to burn off these calories.

2. Judging from the values ??introduced above, the calories of oranges are not particularly high, because even if we eat the whole orange, it will not cause us to consume too many calories, because 70 calories The calories are much less than a bowl of rice. Moreover, the daily metabolic activities of our body also require the consumption of calories. Compared with the calories we normally consume in a day, 70 calories is not too high.