题目内容

While chopsticks actually really commonplace in American society today, there was definitely a time in the late 1800s when the idea that Asian men were of a different quality than American men .

A. were, exists
B. are, exists
C. are, existed
D. were, existed

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How many kilo calories are there in a gram of carbohydrate?

A. 4
B. 5
C. 6
D. 9

According to the food and nutrition board, carbohydrates should provide ( )of total calories in the diet.

A. 20-30%
B. 30-40%
C. 40-50%
D. 45-65%

Choose the food that have the most fiber.

A. Orange
B. Orange juice
C. Orange juice with pulp
D. orange soda

Where do enzymes break down starches and disaccharides like sucrose and maltose into monosaccharides?

A. mouth
B. small intestine
C. large instestine
D. stamach