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Although dragon fruit may not feature(体现) regularly on your grocery list, this brightly colored fruit, with its white flesh and black seeds, may be worth a taste if you’re looking to change things up.

What is dragon fruit? As the name suggests, dragon fruit is just that — a fruit. It’s grown primarily in Asia, Mexico, Central America, and South America, and historians think it originated in Central America. But another version suggests a different story: “Ancient Chinese legends say that the dragon fruit was created thousands of years ago by a dragon in battle who blew a burst of fire containing the fruit.”

What are the nutrition facts of dragon fruit? Dragon fruit contains several nutrients and vitamins for better health. If you’re watching your waistline(腰围) and want to help reduce your caloric intake, you’ll be happy to know that 100 grams of dragon fruit contains about 60 calories. In addition, the same amount of dragon fruit has about 2.9g of fiber (11 percent daily value, or DV); 18mg of calcium (1.8 percent DV); 59 international units (IU) of vitamin A (1.18 percent DV); 40mg of magnesium (10 percent DV); 2.5mg of vitamin C (4.16 percent DV); 0.74mg of iron (4.1 percent DV); 1.18g of protein (2.3 percent DV).

What are the benefits of dragon fruit? Because dragon fruit is full of vitamins and nutrients, and offers potentially disease-fighting antioxidants(抗氧化剂), it probably come as no surprise that eating this fruit on a regular basis can have a positive influence on your health and wellness.

1.Where did dragon fruit originate in historians’ opinion?

A In Asia.

B In Mexico.

C In Central America.

D In South America.

解析：选C。细节理解题。根据第二段第二句... and historians think it originated in Central America可知历史学家认为火龙果起源于中美洲，故选C。

2.What does the underlined word “intake” mean in Chinese?

A 释放量.

B 吸收量.

C 排出量.

D 摄入量.

解析：选D。词义猜测题。根据下文的day value可知是要摄入这些营养物质，故intake是“摄入量”的意思，故选D。

3.How much fiber does a person need each day?

A 2.9g.

B 11g.

C 26.4g.

D 32g.

解析：选C。推理判断题。根据第三段第四句In addition, the same amount of dragon fruit has about 2.9g of fiber (11 percent daily value, or DV)可知100克火龙果含有2.9克纤维，是每日所需量的11%，因此每个人每天需要摄入26.4（2.9÷11%=26.4）克纤维，故选C。

4.Why does dragon fruit have a positive influence on your health?

A Because it is full of vitamins.

B Because it is full of nutrients.

C Because it offers disease-fighting antioxidants.

D All of the above.

解析：选D。细节理解题。根据最后一段第二句Because dragon fruit is full of vitamins and nutrients, and offers potentially disease-fighting antioxidants, it probably come as no surprise that eating this fruit on a regular basis can have a positive influence on your health and wellness.可知火龙果之所以对人的身体有益是因为火龙果中含有各种营养物质、维生素和抗氧化剂，包含A、B、C三项，故选D。

5.In which part of a newspaper can you find this passage?

A Food and Health.

B Science and Technology.

C History and Society.

D Education and Development.

解析：选A。推理判断题。根据文章主要内容是介绍的火龙果的种植地域、起源、营养物质及对人类身体的影响可知这是在介绍食品及其对身体的影响，因此应出现在食品和健康栏目，故选A。