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Chemistry is the study of the behavior and composition of matter. All foods aremade up of chemical substance which undergoes chemical changes when cooking 1．______in an oven or digested within the body. The cooking of meat and vegetables induce 2．______chemical changes, making it more delicious; similarly the leavening action of 3．______baking powder is a straightforward chemical change, as is the conversion ofstarch into sweet sugars by digestion.Cookery is a science requiring a knowledge of chemistry. 4．______This is evident from the variety of cooking products and food additives availableas cooking oils, fats, colorings, sweeteners, tenderizers, flavorings, screamingagents, preservatives, etc. Each is carefully prepared before painstaking 5．______research. It is therefore essential for trained cookers to understand 6．______chemical science in order to appreciate the chemistry nature of foods 7．______and the changes achieving on cooking. Homeworkers should also 8．______know cleansing agents and textiles used in the home and how the latter 9．______responds to the effects of heat, light, water, and chemical cleansing agents. 10．______
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更多 “问答题Chemistry is the study of the behavior and composition of matter. All foods aremade up of chemical substance which undergoes chemical changes when cooking 1．______in an oven or digested within the body. The cooking of meat and vegetables induce 2．______chemical changes, making it more delicious; similarly the leavening action of 3．______baking powder is a straightforward chemical change, as is the conversion ofstarch into sweet sugars by digestion.Cookery is a science requiring a knowledge of chemistry. 4．______This is evident from the variety of cooking products and food additives availableas cooking oils, fats, colorings, sweeteners, tenderizers, flavorings, screamingagents, preservatives, etc. Each is carefully prepared before painstaking 5．______research. It is therefore essential for trained cookers to understand 6．______chemical science in order to appreciate the chemistry nature of foods 7．______and the changes achieving on cooking. Homeworkers should also 8．______know cleansing agents and textiles used in the home and how the latter 9．______responds to the effects of heat, light, water, and chemical cleansing agents. 10．______” 相关考题
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