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The energy in food is mainly in the form of three kinds of chemical materials --- carbohydrate (碳水化合物), protein (蛋白質) and fat (脂肪). Carbohydrate provides 3.8 cal/gm (calories per gram) of energy, protein provides 4.0 cal/gm and fat provides 8.8 cal/gm. Each kind of food contains different amounts of these materials, as the round charts show below.

CALORIES NEEDED PER DAY

Baby 750

Office worker 1,500

Child aged 8 2,100

Woman feeding baby 2,700

Man 1,980

Boy aged 16 3,700

Woman 1,800

Farmer 3,600

1.Who only needs half of the farmer’s calories in the chart?

A.The woman feeding baby

B.The office worker

C.The woman

2.A 17-year-boy can increase the most calories if he has ________.

A.milk B.rice C.peanuts

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