There are three different answers:

1. Apple: The nutritional value of apples is praised. The fructose and glucose it contains are among the best among fruits; it is also rich in fruit acid. It is particularly worth mentioning that the pectin and potassium contained in apples rank first among fruits. Modern medical research shows that apples contain protein, fat, vitamin C, vitamin A, vitamin E, phosphorus, calcium, zinc, malic acid, citric acid, tartaric acid and sodium. Eating more apples can: stop diarrhea, laxative, suitable for pregnant women, prevent and treat high blood pressure, and lose weight

2. Mangosteen: Mangosteen, called mangosteen in Chinese, Manggis in Malay, and Mangosteen in English. Native to the Malaysian Islands, it is an evergreen medium-sized tree of the Garcinaceae family, with a height of 10-20 meters and a beautiful tree shape. Single leaves are opposite, oval, leathery, terminal flowers, red petals, blooming from February to April, the fruit is purple-red when mature, with 1-2 seeds inside, brown, white and transparent flesh, sweet and soft taste. Mangosteen grows slowly and only bears fruit 8-10 years after planting. The fruit ripening period is from June to July. The pulp contains 16.8 soluble solids, 0.63 citric acid, and other vitamins B1, B2, C4 and minerals. It is a typical tropical fruit. , the wood is hard and heavy and can be used to make furniture. Mature mangosteen has a purple-black hard skin and a green pedicle, which is slightly smaller than a fist. The surface is thick and hard, and the flesh exposed after peeling off the skin is white and tender, with a sour taste, somewhat like a peach. It is called the "Queen of Fruits" among fruits. But it should be noted that the purple juice after peeling off the epidermis should not be stained on the clothes, as it is not easy to clean.

3. Strawberries: Strawberries are rich in vitamins and minerals. The vitamin C content per 100 grams is as high as 80 mg, which is much higher than apples and pears. They also contain glucose, fructose, citric acid, malic acid, Carotene, riboflavin, etc. These nutrients are very beneficial to the growth and development of children and are also beneficial to the health of the elderly. In particular, the rich vitamin C can prevent gum bleeding, promote wound healing, and make the skin delicate and elastic. Chinese traditional medicine believes that strawberries are sweet, cool in nature, and have the effects of promoting body fluids and moisturizing the lungs. Eating a few strawberries after a meal can help digestion and appetite. Recently, medical scientists have discovered that regular consumption of strawberries is also beneficial to the prevention and treatment of arteriosclerosis and coronary heart disease. According to research by foreign medical scientists, strawberries contain anti-cancer ingredients that can inhibit the growth of tumor cells. In Europe, strawberry has long been known as the "Queen of Fruits" and is used as a health food for children and the elderly.