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二、简答题1.在甲、乙两个同样大小的烧杯中倒入等量的澄清石灰水,然后用针筒向甲杯石灰水中打入空气,用玻璃管含在嘴中向乙杯石灰水中吹气。请回答: (1)石灰水变混浊的是____杯。(2)该杯石灰水变混浊的原因是什么? 2.图1 表示食物经过人体消化道各个器官时,淀粉、蛋白质、脂肪含量的变化(表示被消化程度)。请据图回答:
2. Short answer questions 1. Pour equal amounts of clarified lime water in two beakers of equal size A and B, and then use a syringe to inject air into the lime cup water of the case A. Use a glass tube to contain lime in the mouth. Blow in water. Please answer: (1) The turbid lime water is ____ cup. (2) What is the reason for the turbid lime water in the glass? 2. Figure 1 shows the changes in starch, protein, and fat content (indicating the degree of digestion) when the food passes through various organs of the human digestive tract. Please answer according to the figure: