多吃菠萝益处多
多吃菠萝益处多

Pineapples have many benefits for us. There are some advantages.
The first one is highly nutritious. Pineapples have large amounts of manganese. It can help with antioxidant defenses(抗氧化). They are also a huge source of vitamin C as well as thiamin, a B vitamin that helps your body produce energy.
    The second is diet-friendly. You want to lose weight but you love eating sweet food. You can try to eat some pineapples. For every cup of pineapple only gets 82 calories, and they have no fat. They do have sugar, about 16 grams per cup, but it is all natural, not like the stuff you find in your favorite cookies.
    The third is that it can support healthy immune system. You can get half of vitamin C when you eat a pineapple. It comes with antioxidant fighting power and protects you from heart disease too.
The fourth is that it can strengthen bones. If you can eat one pineapple in a day, you will get your full daily needs for manganese. Manganese is important for keeping bones strong. Studies have shown pineapple is a fantastic agent in preventing osteoporosis(骨质疏松症) as well.
    The fifth is to keep eyes healthy. Eating more of them can keep your eyes working optimally.
So we need to eat more pineapples.

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1.How many benefits does pineapple can give us?

A 2.

B 3.

C 4.

D 5.

解析：选D。细节理解题。第二至六段列出了菠萝五种益处，故选D。

2.What is thiamin according to the first paragraph?

A It is an A vitamin.

B It is a B vitamin.

C It is a C vitamin.

D It is a D vitamin.

解析：选B。细节理解题。根据第二段They are also a huge source of vitamin C as well as thiamin, a B vitamin that helps your body produce energy.可知thiamin（硫胺）是一种B族维生素，故选B。

3.How many calories can you get for every cup of pineapple?

A 82.

B 16.

C 28.

D 61.

解析：选A。细节理解题。根据第三段第四句 For every cup of pineapple only gets 82 calories可知吃一杯菠萝块只会摄入82卡，故选A。

4.Which of the following is NOT true according to the passage?

A Pineapples have natural sugar.

B Manganese is important for keeping bones strong.

C You can get half of vitamin C when eating pineapple.

D Pineapples can hurt your eyes.

解析：选D。细节理解题。根据第六段可知菠萝能护眼，故选D。

5.What is the best title for the passage?

A The Disadvantages of Pineapples.

B The Benefits of Pineapples.

C Healthy Immune System.

D Antioxidant Defenses.

解析：选B。主旨大意题。联系全文可知整篇文章讲的都是菠萝的益处，故选B。