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Chemistry is the study of the behavior andcomposition of matter. All foods a
Chemistry is the study of the behavior andcomposition of matter. All foods a
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2023-12-11
27
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问题
Chemistry is the study of the behavior and
composition of matter. All foods are made up of
chemical substance which undergoes chemical
changes when cooking in an oven or digested 【1】______
within the body. The cooking of meat and
vegetables induce chemical changes, making 【2】______
it more delicious; similarly the leavening action of【3】______
baking powder is a straightforward chemical change,
as is the conversion of starch into sweet sugars
by digestion.
Cookery is a science requiring for knowledge 【4】______
of chemistry. This is evident from the variety of
cooking products and food additives available
as cooking oils, fats, colorings, sweeteners,
tenderizers, flavorings, screaming agents, preservatives,
etc. Each is carefully prepared before 【5】______
painstaking research.
It is therefore essential for trained cookers to 【6】______
understand chemical science in order to appreciate
the chemistry nature of foods and the changes 【7】______
achieving on cooking. Homeworkers should also 【8】______
know cleansing agents and textiles used in the 【9】______
home and how the latter responds to the effects 【10】______
of heat, light, water, and chemical cleansing agents. [br] 【M5】
选项
答案
将before改为after。
解析
使用before不合乎逻辑,例如:It is as hard to get a man to stay home after you’ve married him as it was to get him go home before you married him.婚后要男人呆在家里就像婚前要他回家一样难。Woman still remember the first kiss after men have forgotten the last.在男人忘掉最后一个吻之后,女人还念念不忘第一个吻。
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