解析 B。原因:文章中明确提到“When we cook, various chemical reactions take place. The heat causes the molecules in the food to break down and combine in different ways.”,即烹饪时是热量导致食物中的分子分解并以不同方式结合。反馈 收藏
Which digestive organ secretes salivary amylase and moisten the food? What is the pancreatic cell type that produces digestive enzymes? a. Which organ produces trypsin? b. How does the enzyme help in the digestion of food? What types of cells are found in gastric glands...
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