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Digestion______ the necessary chemical changes in the food which must occur befo
Digestion______ the necessary chemical changes in the food which must occur befo
游客
2023-11-13
40
管理
问题
Digestion______ the necessary chemical changes in the food which must occur before it can be absorbed.
选项
A、consists in
B、feeds in
C、puts in
D、consists of
答案
A
解析
consist in表示“在于”:feed in表示“输入(电脑数据)”:put in意为“插入”、“伸进”;constitute of表示“由组成”。本句意为:“消化就是食物在其被吸收之前必须发生的必要的化学变化。”
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