Which of the following groups of foods are sources of starch?
A. Eggs, fat-free milk, and honey
B. Corn, potatoes, and rice
C. Beef, seafood, and roast chicken
D. Liver, apples, and cheese
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Dietary fiber
A. is a source of energy for bacteria in the large intestine.
B. is digested by enzymes produced by the human intestinal tract.
C. promotes tooth decay.
D. is only in animal sources of food.
Is milk a natural source of sucrose?
A. 对
B. 错
While the brain prefers glucose as its source of fuel, it can also use ketone bodies for energy.
A. 对
B. 错
评标和定标应当在投标有效期结束日后( )个工作日前完成。
A. 30
B. 60
C. 15
D. 20